Resource Type > All Technical Reports

There are 145 records in this subcategory.


Torgeson, Lynn. (2012) Assessment of Environmental Effects for the Burwood Resource Recovery Park. (Pattle Delamore Partners Ltd, prepared for Burwood Resource Recovery Park)
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Keywords: AEE, Assessment of Environmental Effects, Burwood Resource Recovery Park, drainage to groundwater, groundwater abstraction, groundwater quality, leachate, surface water, water table.
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(2012) Canterbury regional urban stream sediment and biofilm quality survey. #ISBN 978- 1-927195-4. (Golder Associates, prepared for Environment Canterbury)
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Keywords: Arsenic, Avon River, Avon-Heathcote Estuary, Biofilm Quality, Cadmium, Chromium, Contaminants, Copper, Halswell River, Heathcote river, Instream Ecological Values, Interim Sediment Quality Guidelines, ISQG, Lead, Mecury, Metals and Metalloids, Nickel, organic carbon, PAHs, Polyaromatic Hydrocarbons, Sediment, Styx River, Trace Elements, urban land use, Urban Stream, Zinc, Zinc.
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Grove, Philip, Parker, Mark, Pompei, Mirella. (2012) Coastal wetland vegetation in Canterbury, 2004–2011. #978-1-927210-06-2. (Environment Canterbury)
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Keywords: Avon - Heathcote Estuary, Brooklands Lagoon, coastal wetlands, Coopers Lagoon Tentburn, estuarine, fen, field survey, GIS, lacustrine, Lake Ellesmere, Lake Forsyth, Lyttelton Harbour, maps, marsh, monitoring, palustrine, Rakaia River, riverine, saltmarsh, shallow water, Styx River, swamp, Te Waihora, vegetated coastal wetland, vegetated coastal wetland habitats, vegetation classification, wetland hydrosystems, wetland management, wetlands.
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Fenwick, Graham, Hadfield, Mark, Woods, Chris. (2012) Effects of Lake Ellesmere (Te Waihora) openings on the coastal environment of Banks Peninsula. (NIWA, prepared for Environment Canterbury)
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Keywords: algae, aqauculture, banks Peninsula, benthic Invertebrates, discharges, fisheries, invertebrates, Lake Ellesmere, mahinga kai, modelling, opening, plumes, recreation, rock lobsters, salinity, salmon, seawater dilution, species, Te Waihora, tourism.
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de Villers, Mary, E Hart, Deirdre. (2012) Examining the effects of the February 2010 far-field tsunami on the seabed sediments of Akaroa Harbour. #ISBN 978-1-927222-52. (Department of Geography: Canterbury University , prepared for Environment Canterbury)
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Keywords: Akaroa Harbour, baseline, earthquake, seabed, Tsunami.
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Institute of Environmental Science and Research Limited (ESR). (2012) Microbial Quality of the Avon River: The Effect of Major Earthquakes and Subsequent Discharges on the Quality of the Water and Sediments in the Avon River. (prepared for the Ministry of Health, Ministry for the Environment, Community and Public Health, Environment Canterbury and Christchurch City Council)
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Keywords: Avon River, Campylobacter, Canterbury earthquakes, Christchurch earthquakes, contamination events, cryptosporidium, E. Coli, earthquakes, faecal indicator, faecal source tracking, faecal source tracking, giardia, health risk, indicator, indicator bacteria, Pathogens, recreational water, samples, water quality, water sampling.
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Milton, Nadeine, Steele, Claire, Wiseman, Ian. (2012) Regional Council Practice for Setting and Meeting RMA-Based Limits for Freshwater Flows and Quality. (Sinclair Knight Merz, prepared for Ministry for the Environment)
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Keywords: allocation limits, freshwater flow, limits, Resource Management Act, RMA, water flow, water quality, water quantity.
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Scott, Martha, Wilson, Nicola. (2012) Seawater intrusion network review. #ISBN 978-1-927210-26. (Environment Canterbury)
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Keywords: Abstraction Levels, Calcium, Chloride, Climate Change, Conductivity, CWMS Canterbury Water Management Strategy, Earthquake Damage, groundwater, groundwater abstraction, Groundwater Levels, Magnesium, monitoring, Natural Resources Regional Plan, NRRP, Potassium, recommendations, RMA Resource Management Act, RPS Regional Policy Statement, Sea-water interface, Seawater Intrusion Network, Sodium, Sulphate, trigger levels, water levels, water quality, wells, Woolston-Heathcote.
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(2012) Te Waihora/Lake Ellesmere Catchment Flow Review: Ecological Values and Flow Recommendations at Minimum Flow Sites. (Golder Associates, prepared for Environment Canterbury)
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Keywords: 7DMALF, abstraction, allocation limits, aquatic vlaues, consent, cumulative effects, ecological input, ecological state, Lake Ellesmere, minimum flow sites, minimum flows, modelling, seven-day Mean Annual Low Flow, te Waihora.
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(2012) Te Waihora/Lake Ellesmere Catchment: Ecological Impacts of Increasing Flow Allocation. (Golder Associates, prepared for Environment Canterbury)
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Keywords: 7DMALF, allocation, dissolved Oxygen, ecological effects, ecological Impacts, flow, flow intermittency patterns, flow patterns, flushing flows, Invertebrate, minimum flow recommendations, modelling, River flows, seven-day Mean Annual Low Flow, taxa.

(2012) Te Waihora/Lake Ellesmere Catchment: Functional Significance and Sensitivity of Groundwater Fauna. (Golder Associates, prepared for Environment Canterbury)
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Keywords: aquifer, Catchments, ecosystems, groundwater biodiversity, groundwater contamination, groundwater ecosystems, groundwater fauna, Selwyn/Te Waihora catchment.
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Simons, Gijs, Voogt, Maurits. (2011) Assessment of Water Consumption from the irrigated Canterbury Plains. #ISBN: 978-1-927161-6. (WaterWatch, prepared for Environment Canterbury Regional Council)
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Keywords: algorithm, Canterbury Plains, evapotranspiration, feasibility, groundwater, irrigated area assessment, irrigated Canterbury Plains, irrigation demand, meteorological data, modelling, modelling, precipitation, satellite technology, soil moisture deficit, surface water, water accounting.

James, Alex, McMurtie, Shelley. (2011) Christchurch February Earthquake: Effect on Freshwater Fish of the Upper Avon River. #ISBN: 978-1-927195-8. (EOS Ecology: Aquatic Research Consultants, prepared for Environment Canterbury and Christchurch City Council)
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Keywords: Avon River, Bank collapse, bank slumping, bluegill bully, brown trout, changes, Christchurch earthquakes, common bullies, common bully, Earthquake, fish, fish community, freshwater fish, giant bully, liquefaction, longfin eel, raw sewerage, sampling, sand/silt, shortfin eels, streambed uplift, suspended sediment, suspended silt, trends, Upland bullies, upland bully, upper avon river, wastewater, yellow eyed mullet.
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James, Alex, McMurtie, Shelley. (2011) Christchurch February Earthquake: Effect on Invertebrates of the Lower Rivers. #ISBN: 978-1-927195-8. (EOS Ecology: Aquatic Research Consultants, prepared for Environment Canterbury and Christchurch City Council)
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Keywords: Aquatic ecosystems, Aquatic invertebrates, Avon River, broken wastewater pipe, Christchurch, christchurch earthquakes, February earthquake, Heathcote River.
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Broady, Paul, Gaw, Sally, Kelly, David, Smith, Francine, Wilks, Taryn. (2011) Distribution of Scytonema (cyanobacteria) and associated saxitoxins in recreational lakes in Canterbury. #ISBN: 978-1-927161-5. (Environment Canterbury Regional Council)
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Keywords: cyanobacteria, groynes, health, health risk, lakes, recreational lake, sampling, Scytonema, toxin, toxin analysis, water quality.

Blair, Winsome, Taylor, Mark. (2011) Effects of seismic activity on Inaka spawning grounds on City rivers. #ISBN 978-1-927195-89. (Aquatic Ecology Ltd, prepared for Environment Canterbury and Christchurch City Council)
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Keywords: Avon, Avon River, Christchurch earthquakes, earthquake, galaxias, Galaxias maculatus, Heathcote, heathcote river, inaka, inanga, liquefaction, september earthquake, spawning habitats, Styx River, suspended silt, whitebait.
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Schiel, Dave, Skilton, Jen, South, Paul, Zeldis, John. (2011) Effects of the Canterbury earthquakes on Avon- Heathcote Estuary / Ihutai ecology. #ISBN 978-1-927195-91. (NIWA, prepared for Environment Canterbury and Christchurch City Council)
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Keywords: ammonia-N, ANZECC, arsenic, Avon - Heathcote Estuary, bed height, Biota, carbon, Earthquake, epifauna, eutrophication, fauna, grain size, heavy metals, infaunal species, isotope ratios, Liquefaction, mut flats, nitrate, nitrogen, nutrient concentration, organic content, phosphorus, sediment, sediment size.
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Hudson, N, Rutherford, J C. (2011) Effects of wastewater overflows on oxygen and ammonia in the Avon and Heathcote Rivers. #ISBN 978-1-927195-85. (NIWA, prepared for Environment Canterbury)
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Keywords: 2011 earthquake, ammonia, Avon River, Dissolved Oxygen, earthquake, fish, heathcote river, invertebrates, plants, siltation.
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Arnold, Jade, Bind, Jo, Hicks, Murray, Measures, Richards, Shankar, Ude, Zeldis, John. (2011) Mapping earthquake induced topographical change and liquefaction in the Avon-Heathcote Estuary. #ISBN 978-1-927195-90. (NIWA, prepared for Environment Canterbury)
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Keywords: aerial photos, Avon - Heathcote Estuary, evaluation, LiDAR, liquefaction, mean sea level, subsidence, tidal water surface extents, topographic change, topographic survey data, wetted area.
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Williams, Howard. (2011) Modelling of stream discharge and groundwater levels in the Te Waihora /Lake Ellesmere catchment. (Elemental Geoconsulting Limited)
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Keywords: Adaptive management, allocation levels, aquifer recharge, consent, consented allocation, Eigen Model, environmental indicators, Groundwater levels, land surface Activities, Land Use, management issues, MAR (managed aquifer recharge), Recharge, stream discharges, water balance.
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Griffiths, George, McKerchar, Alistair, Pearson, Charles. (2011) Review of flood frequency in the Canterbury region. #ISBN 978-1-927161-80. (NIWA, prepared Environment Canterbury)
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Keywords: annual maximum, climate change, el Nino, El Nino southern oscillation, flood, flood freqency, flood frequency factor, flood peaks, Generalised Extreme Value Distribution, Interdecadal Pacific Oscillation, mean annual flood factor, rainfall intensities.
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(2011) Te Waihora/Lake Ellesmere Catchment: Ecological Values and Flow Requirements. (Golder Associates, prepared for Environment Canterbury)
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Keywords: aquatic health, birdlife, Cumulative, dissolved Oxygen, ecosystems, eels, fish, flow regime requirements, flushing flows, instream Ecological Values, instream values, lake Ellesmere, local effects, long term patterns, long term trend, minimum flow, mudfish, nutrients, te Waihora, temperature, trends, trout, water quality.

Burrell. (2011) Te Waihora/Lake Ellesmere Catchment: Ecological Values and Flow Requirements. (Golder Associates, prepared for ECAN)
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Keywords: aquatic habitat, consents, Cumulative effects, dissolved Oxygen, ecological values, ecology, eels, fish, fish and birds, flow effects, flushing flow requirements, instream values, invertebrates, invertebrates, Lake Ellesmere, local effects, macrophytes, Minimum flows, Nutients, periphyton, periphytons, Te Waihora, Temperature, trends, trout, water flow, water quality.
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Callander, Peter, Thomas, Neil. (2011) Technical Review of the Effectiveness of the Existing Groundwater Management Regime Operating in the West Melton Special Zone. (Pattle Delamore Partners Ltd, prepared for Environment Canterbury)
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Keywords: abstractions, bores, goudnwater patterns, Groundwater, groundwater zone, management Issues, monitoring bores, trigger levels, West Melton.
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Clark, Dan. (2011) The surface water resource of the Lake Ellesmere/ Te Waihora catchment. #ISBN: 978-1-927161-3. (Environment Canterbury)
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Keywords: baseflow, cumulative, eigen Model, evaporation, flow predictions, Lake Ellesmere, longitudinal flow distribution, rainfall-runoff modelling, Regression equations, regression models, surface water, surface water analysis, te Waihora.
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(2011) Tonkin & Taylor: Christchurch Central City: Geological Interpretative Report. (Tonkin and Taylor, prepared for Christchurch City Council)
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Keywords: artesian groundwater, avon River, Black Maps, boreholes, buried channels, CBD, Christchurch Central Business District, earthquake, Geomorphology, geotechnical conditions, Groundwater, groundwater level monitoring, groundwater Levels, infilled channels, liquefaction, piezocone calibration, well records.
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Curran, J, Fan, V Neale, M. W, Lewis, G. D Washington, V Lear, G, Roberts, K. (2010) A Bacterial Community Index (BCI) for New Zealand Streams - Year 1. #ISBN: 978-1-927135-2. (Auckland Regional Council)
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Keywords: avon River, bacteria, bacterial community, bacterial community index, bacterial indicators, BCI, Biofilm Quality, ecosystem health, heathcote river, regional differences, selwyn River, styx River, water quality, water quality indicators, waterway health.
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Scott, D M, Thorley, M J. (2010) A methodology to model groundwater flow in sub-areas of the Canterbury Plains. #ISBN 978-1-877574-17. (Environment Canterbury Regional Council)
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Keywords: Abstraction Wells, Applied Research Associates New Zealand, Aquifer Structural Composition, Aquifer System, Canterbury Plains, Constant Heads, Environment Canterbury, Flux, Geological Model, Geological Structure, Goundwater Flow Model, Groundwater Vistas, Land Surface Recharge, Leapfrog Hydro, Methodologies, Model Uncertainty, MODFLOW model, Numerical Flow Models, PEST Parameter Estimation Tool kit, Predictions, Recharging Wells, United States Geological Survey, USGS.
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Hearnshaw, Edward J. S., Hughey, Kenneth F. D.. (2010) A tolerance range approach for the investigation of values provided by Te Waihora/Lake Ellesmere. #ISBN: 978-0-86476-23. (Lincoln University. Faculty of Environment, Society and Design.)
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Keywords: environmental conditions, lake Ellesmere, lake values, sustainable lake conditions, Te Waihora, tolerance range approach.
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Hayward, Shirley, Stevenson, Michele, Wilks,Taryn. (2010) An overview of the state and trends in water quality of Canterbury’s rivers and streams. Environment Canterbury Technical Report. (Environment Canterbury Regional Council)
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Keywords: Ammonia, best management farming practices Phosphorus Nitrogen River Types, Canterbury’s Natural Resources Regional Plan, Conductivity, degraded state of small streams, Dissolved inorganic nitrogen, Dissolved Organic Carbon, Dissolved Oxygen, Escherichia coli E coli, excessive sediment inputs, existing guidelines and recommended water quality objectives, faecal contamination, geographical patterns, nitrate toxicity, nutrient enrichment, Nutrients, pH, significant temporal trends, siltation of river beds, Suspended Soils Turbidity, Sustainable management, Temperature, Upland Lower, water quality.
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Abraham, Phil, Hanson, Carl. (2010) Annual groundwater quality survey, spring 2009. #ISBN 978-1-877574-25. (Environment Canterbury)
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Keywords: 2009, Aesthetic, ammonia, anions, Annual, Arsenic, cations, Changing land use, Chloride, drinking water quality, E-Coli, Groundwater, Iron, Long term trend, Long-term patterns, Manganese, MAV, microbiological indicators, Nitrate, Nitrate Nitrogen Concentrations, pH, State of the Environment, Surface land use, trends, Water Quality.
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(2010) City Plan Monitoring: Drinking Water Quality in Christchurch City Council Water Supply Zones. (Christchurch City Council)
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Keywords: Christchurch City Council, Christchurch City Council Water Supply Zones, City Plan Monitoring, Indicator reporting sheet, New Zealand Drinking Water Standards, Water Supply Zones.
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Hicks, Murray, Horrell, Graeme, McKerchar, Alistair, Örn Hreinsson, Einar, Renwick, James, Verburg, Piet. (2010) Climate change impacts on Lake Ellesmere (Te Waihora). #NIWA Project: ENC103. (NIWA, prepared for Environment Canterbury)
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Keywords: climate Change, El Nino, evaporation, freshwater inflows, future scenario, groundwater inflows, hydrological cycle, interdecadal Pacific Oscillation, irrigation, Lake Ellesmere, lake levels, Rainfall, Rainfall, sea levels, Te Waihora, Temperature, Tributory inflows.
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Close, Murray. (2010) Critical review of contaminant transport time through the Vadose Zone. #ISBN 978-1-927137-54. (Institute of Environmental Science and Research (ESR), prepared for Environment Canterbury)
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Keywords: age Determination, alluvial gravel, Canterbury Plains, contaminant transport, goundwater monitoring, groundwater nitrate concentrations, groundwater recharge, microbes, nitrate, recharge events, seasonal changes, Templeton, transport of nitrate, travel time, Vadose Zone.
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Bidwell, Vince, Ford, Raymond, Lilburne, Linda, Webb, Trevor. (2010) Estimating nitrate-nitrogen leaching rates under rural land uses in Canterbury. #ISBN 978-1-927137-77. (Environment Canterbury)
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Keywords: land use change, leaching, leaching values, nitrate-N, point-source, point-source discharges, rural land use, water quality.
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Close, Murray, Hewitt, Allan, Lilburne, Linda, McLeod, Malcolm, Webb, Trevor. (2010) Mapping of vulnerability of nitrate and phosphorus leaching, microbial bypass flow, and soil runoff potential for two areas of Canterbury. #ISBN 978-1-927137-74. (Landcare Research and Environmental Science and Research, prepared for Environment Canterbury)
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Keywords: agricultural land use, aquifers, bypass flow, Central Plains, denitrification, leachate, leaching, management Issues, microbes, microbes, Nitrogen, nutrient, organic molecules, pesticides, phosphorus, phosphorus, riparian buffer strips, runoff, sediment, soil, soil depth, water table, water table depth.

Pinkerton, Matthew H, Schwarz, Jill N, Wood, Simon, Zeldis, John. (2010) Remote sensing of river plumes in the Canterbury Bight. Stage II: final report. (NIWA, prepared for Environment Canterbury)
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Keywords: Akaroa Harbour modelling, Canterbury Bight, Chlorophyll, climatology, eutrophication, Lake Ellesmere, Lake Forsyth, NASA MODIS-Aqua Sensor, offshore excursion, phytoplankton, River Plumes, Satellite data, surface temperature.
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James, Alex, McMurtie, Shelley. (2010) Sources of sediment input into Cashmere Stream. #978-1-877542-64-0. (EOS Ecology, prepared for Environment Canterbury)
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Keywords: Cashmere Stream, clarity, cocnentration, grain size, Heathcote River confluence, mighty gripper device, particle size, pipe inputs, rainfall events, suspended sediment, suspended solids, total suspended solids, tributary inputs, turbidity.
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Hughey, K. F. D. (2010) Te Waihora Lake Ellesmere - the 2009 Living Lake Symposium: a summary of the key findings and conclusions. (Waihora Ellesmere Trust)
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Keywords: future management, lake Ellesmere, lake openings, living lake symposium, macrophyte, modelling, salinity, symposium, Te Waihora, water balance, water balance model, water quality, willows.
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Graynoth, Eric, Jellyman, Don. (2010) The importance of tributary streams of Te Waihora/Lake Ellesmere in maintaining populations of longfin eels. (NIWA, prepared for Environment Canterbury)
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Keywords: algae, Commercial fisheries, declining eel numbers, eels, fisheries, fishing, Lake Ellesmere, Long term patterns, longfins, shortfins, te Waihora, tributaries.
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Durney, P, Scott, D M. (2010) Waimakariri River Surface Water/Groundwater Interaction Study – Data Review. #ISBN: 978-1-877574-2. (Environment Canterbury Regional Council)
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Keywords: aquifer tests, borelogs, conductivity, groundwater, groundwater gradients, groundwater levels, monitoring, raw data, river recharge, slug tests, surface groundwater relationship, surface water, surface-groundwater interface, temperature, Waimakariri River, water level.

Hickey, C W, Martin, M L. (2009) A review of nitrate toxicity to freshwater aquatic species. #ISBN 978-1-86937-997. (NIWA, prepared for ECAN)
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Keywords: acute and chronic limits, Canterbury's aquatic ecosystems, chronic nitrate concentrations, concentrations, contaminants, cumulative effects, Environment Canterbury, Natural Resources Regional Plan, non-point source discharges, NRRP, numerical limits, nutients, pathogens, sediment, species sensitivity to contaminants, toxicity.
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de Winton, Mary, Jellyman, Don, Sutherland, Donna, Walsh, Jeremy. (2009) A review of the potential to re-establish macrophyte beds in Te Waihora (Lake Ellesmere). #ISBN 978-1-86937-968. (NIWA, prepared for Environment Canterbury)
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Keywords: "flipped" lakes, Benthic Invertebrates, eels, flipped lakes, Lake Ellesmere, lake rehabilitation, macrophytes, Ngai Tahu, restoration, self-sustaining, Te Waihora.
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Abraham, Phil, Hanson, Carl. (2009) Depth and spatial variation in groundwater chemistry - Central Canterbury Plains. #ISBN 978-1-86937-969.
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Keywords: apline river recharge, aquifer stratigraphy, central plains groundwater, chemistry sampling, groundwater, groundwater flow, hydrogeological history, land Surface Recharge, Oxygen-18, Rakaia River, recharge sources, soil drainage.
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Gilpin, Brent, Moriarty, Elaine. (2009) Faecal source tracking in the Avon River, Christchurch March - May 2009. #ISBN 978-1- 877542-0. (Institute of Environmental Science and Research Ltd, prepared for Environment Canterbury)
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Keywords: Avon River, disease, E coli, Escherichia coli, faecal coliform concentrations, faeces, Fluorescent Whitening Agents, health Risks, public health problem, Recreation, Recreational water standards, samples, sewerage disposal, source tracking, storm rain, water quality.
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Williams, Howard. (2009) Groundwater resources associated with the Rakaia riparian sub-area: assessment of technical and allocation issues. #ISBN: 978-1-86937-97. (Environment Canterbury)
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Keywords: Adaptive management, aquifer structure, bores, confining layers, consented water use, groundwater, groundwater age, groundwater allocation, groundwater hydrology, groundwater levels, low flows, minimum flows, nitrate, oxygen isotope data, Rakaia, Rakaia-Selwyn Groundwater Allocation Zone, Rakaia-Selwyn zone, recharge, recharge sources, Riparian sub area, riparian zone, Southbridge Water Users Group, springs, surface water hydrology, trigger levels, Uncertainties, water chemistry.
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Flanagan, Marty, Gadd, Jennifer, Moores, Jonathan, Wech, Janine. (2009) Haytons Stream catchment water quality investigation. #ISBN 978-1-877542-57. (NIWA, prepared for Environment Canterbury)
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Keywords: ammonia nitrogen, bacteria, Biochemical oxygen demand, Christchurch, conductivity, contaminant source, contaminants, copper, dissolved Oxygen, dissolved reactive phosphorus, DRP, field observations, fluoride, Haytons Stream, Heathcote River, indicator bacteria, land surface Activities, land use, lead, metals, mixed land use, nitrogen, nutrients, PAHs, pH, physicochemical parameters, rainfall, sediment, sediment quality, Stream water quality, TSS, turbidity, water quality, water quality parameters, water temperature, zinc.
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Horrell, Graeme. (2009) Lake Ellesmere (Te Waihora) water balance model: variable update 1991 to 2007. (National Institute of Water & Atmospheric Research ltd, prepared for Environment Canterbury Regional Council)
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Keywords: evaporation, groundwater seepage, kaitorete spit, kaitorete spit seepage, lake, Lake Ellesmere, lake openings, modelled openings, Modelling, outlfows, predictions, rainfall, seepage, stream inflows, Te Waihora, variables, water balance, water balance model.

Bidwell, Vince, Lilburne, Linda, Scott, David, Thorley, Mike. (2009) Nitrate discharge to groundwater from agricultural land use: an initial assessment for the Canterbury Plains. (Canterbury Water Management Strategy: Steering Group)
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Keywords: agricultural land use, Canterbury Water Management Strategy, concentrations, CWMS, drinking water quality, groundwater, groundwater quality, land use, New Zealand Drinking Water Standards, nitrate, nitrate discharge, nitrate-nitrogen, river recharge.
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Hayward, Shirley, Meredith, Adrian, Stevenson, Michele. (2009) Review of proposed NRRP water quality objectives and standards for rivers and lakes in the Canterbury region. #ISBN 978-1-86937-932. (Environment Canterbury)
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Keywords: abiotic, algae, biotic, clarity, Drinking water quality, ecological health indicators, ecosystem health, Eutrophication, groundwater recharge, habitat of trout and salmon, macroinvertebrate, macrophyte, management units, microbiological quality, natural Resources Regional Plan, Ngai Tahu, NRRP, nutrient concentration, nutrient guidelines, periphyton, QMCI, river classification, sedimentation, Trophic, values, water clarity, water quality indicators, water quality standards, water quality standards.
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Griffiths, George, McKerchar, Alistair, Pearson, Charles. (2009) Review of the frequency of high intensity rainfalls in Christchurch. #ISBN 978-1- 877542-4. (NIWA, prepared for Environment Canterbury and Christchurch City Council)
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Keywords: Christchurch, Christchurch storm rainfalls, climate, climate variability, high intensity rainfall, Rainfall, rainfall depth-duration, rainfall depth-return period, rainfall volumes, storm rain, storms.
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Spigel, Robert. (2009) Salinity balance model for Lake Ellesmere/Te Waihora and results from salinity – temperature surveys. (NIWA, prepared for Environment Canterbury)
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Keywords: climate variables, dilution, evaporation, Lake Ellesmere, salinity, Salt, salt balance model, sea inflow, seawater, spatial patterns, spatial variations, te Waihora, water balance, water quality, wave, wave direction, wave height.
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Aitchison-Earl, Philippa, Martin, Adam. (2009) State of the Canterbury region water resource, October 2009. #ISBN 978-1- 877542-2. (Environment Canterbury)
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Keywords: annual, aquifers, Climate, climate projections, el Nino, groundwater, groundwater levels, groundwater recharge, rainfall, rainfall levels, recharge, river flows, river flows, soil Moisture, soil moisture deficit, soil moisture levels, state of water resources, temperature, trends.
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Scott, David, Thorley, Mike. (2009) Steady-state groundwater models of the area between the Rakaia and Waimakariri rivers. #ISBN 978-1-86937-940. (Environment Canterbury)
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Keywords: AquiferSim Model, Central plains groundwater, groundwater flow, hydraulic conductivity, hydraulic conductivity distribution, model, model Uncertainty, nitrate discharge, uncertainty.
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Hart, Deirdre E, McWilliams, Zara A, Nation, Thomas E, Todd, Derek J. (2009) Upper Akaroa Harbour Seabed Bathymetry and Soft Sediments: A Baseline Mapping Study Coastal Research Report 1. #ISBN 978-1-86937-976. (University of Canterbury and DTec Consulting Ltd, prepared for Environment Canterbury)
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Keywords: Akaroa Harbour, bathymetry, biotic, clays, energy zones, erosion, geology, gravel, sediment, sediment seabed, silts.
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Duncan, M, Ponder-Sutton, A. (2009) Vegetation change and water yield: Afforestation allowances to minimise water yield reduction. #ISBN: 978-1-877542-6. (National Institute of Water & Atmospheric Research Ltd, prepared for Environment Canterbury Regional Council)
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Keywords: 7 day MALF, afforestation, low flow, low flow production area, mean annual low flow, vegetation, water quantity, water yield.

Lough, Hilary, Williams, Howard. (2009) Vertical flow in Canterbury groundwater systems and its significance for groundwater management. #ISBN 978-1-86937-977. (Environment Canterbury)
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Keywords: Abstraction, aquifer, confinement, drawdown, flow direction, geological Structure, groundwater flow, hydrogeological parameters, modelling, observation wells, Piezometric contours, Pumping-induced leakage, sedimentary deposits, water table.
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Meredith, Adrian, Wilks, Taryn. (2009) Waimakariri tributary report. #ISBN 978-1-86937-927.
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Keywords: ammonia nitrogen, Concentration, Contact recreation guideline, degradation, discharge permit, dissolved inorganic nitrogen, dissolved Organic Carbon, ecosystem health, faecal indicator, monitoring, nitrogen, rainfall, Recreation, styx River, trends, waimakariri catchment, water physico-chemistry, water quality.
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Bidwell, Vince, Howard, Williams, Scott, David. (2008) Adaptive management of groundwater in the Rakaia-Selwyn Groundwater Allocation Zone: technical and implementation issues. #ISBN: 978-1-86937-64. (Environment Canterbury)
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Keywords: Adaptive management, cumulative effects, groundwater, groundwater management, irrigation demand, management, rakaia-Selwyn Groundwater Allocation Zone, recharge-based management.
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Bolton-Ritchie, Lesley. (2008) Coastal water quality in selected bays of Banks Peninsula 2001 - 2007. #ISBN 978-1-86937-848. (Environment Canterbury)
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Keywords: ammonia nitrogen, Banks Peninsula, Chlorophyll A concentration, concentrations, Dissolved reactive phosphorus, DRP, erosion scares between bays, faecal contamination, nitrate-nitrite nitrogen, NNN, nutrients, rainfall, salinity, sediment, Total nitrogen, Total phosphorus, water circulation, water retention time.
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Bolton-Ritchie, Lesley. (2008) Ecological status of Okains Bay estuary. #ISBN: 978-1-86937-85. (Environment Canterbury)
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Keywords: Aquatic habitat, aquatic vegetation, baseline, birds, Chromium, cockle shells, copper, Ecological values, Estuary, fish, flushing, habitat loss, invertebrate taxa, Invertebrates, lead, low organic matter content, microbiological contamination, modification, monitoring, mud/sand flats, nickel, nutrient inputs, nutrients, Okains Bay, planning enhanement activities, recreation, recreational use, resource consent, resource consent applications, saltmarsh, sand flats, sediment inputs, sedimentation, shellfish, Toxic contaminants, vehicle disturbance, water quality, zinc.
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Beech, Mary. (2008) Ecosystem health monitoring programme November-December 2007 Summary report. #ISBN: 978-1-86937-85. (Environment Canterbury)
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Keywords: 2007, aquatic health, Banks Peninsula Rivers and Streams, biotic conditions, Community Outcomes, foothill river, habitat health, heatlh, intermontane basin, invertebrate taxa, lowland river, LTCCP, macroinvertebrate, monitoring, mountain river, NRRP, physical conditions, streams, wadeable streams.
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Bolton-Ritchie, Lesley. (2008) Healthy Estuary and Rivers of the City: Water quality and ecosystem health monitoring programme of Ihutai Water quality of the Avon-Heathcote Estuary/Ihutai: Summary report on data collected in 2007. #ISBN: 978-1-86937-84. (Environment Canterbury)
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Keywords: ammonia nitrogen, ANZECC, Avon - Heathcote Estuary, biota, chlorophyll-a, concnetrations, dissolved Oxygen, Dissolved reactive phosphorus, ecosystem health, Environmental values, estuary, Ihutai, monitoring, Nitrate-nitrite nitrogen, nNN, nutrients, oxygen, river habitiat, salinity, sediments, suspended soils, temperature, tidal reaches, trigger levels, water quality, water quality parameters.
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Bolton-Ritchie, Lesley. (2008) Healthy Estuary and Rivers of the City: Water quality and ecosystem health monitoring programme of Ihutai: The sediments and biota of the Avon- Heathcote Estuary/Ihutai and tidal reaches of the Avon and Heathcote rivers: Summary report on data collected i. #ISBN: 978-1-86937-84.
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Keywords: anemones, animals, biota, birds, cockles, contaminants, crabs, estuary, grain size, hoppers, mudflats, organic matter content, oxygenated, salinity, sediment, sediment quality, shellfish worms, snails, tidal reaches, water quality.
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Brooker, D J, Graynoth, Eric. (2008) Instream habitat and flow regime requirements in the Lower Selwyn River. #ISBN: 978-1-86937-77. (NIWA, prepared for Environment Canterbury)
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Keywords: Benthic Invertebrates, Coes Ford, Discharges, f, fish, fish, flood flows, flow, flow regime requirements, flow setting, habitat suitability crieteria, hydrology, instream values, macroinvertebrate, mahinga kai, minimum flow recommendations, minimum flows, minimum residual flows, native fish, Periphyton, physical habitat modelling, physical habitat modelling, Regression model, seasonal flow, Selwyn River, Trout.
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(2008) Lyttelton Harbour potential contaminant sources study, 2007. #ISBN 978-1-86937-795. (Environment Canterbury)
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Keywords: Contaminant source, discharges, land surface Activities, land use, landfill, Lyttelton, sediment, sediment contamination, stormwater, stormwater, wastewater treatment.
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de Vries, Wybren, Hart, Deirdre E, Marsden, Islay D, Todd, Derek J. (2008) Mapping of the Bathymetry, Soft Sediments, and Biota of the Seabed of Upper Lyttelton Harbour Estuarine Research Report 36. #ISBN 978-1-86937-823. (Department of Geography, University of Canterbury and DTec Consulting Ltd, prepared for Environment Canterbury)
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Keywords: bathymetry, biogenic, bivalves, Cockle shells, gastropods, macrofaunal, marine ecosystems, mud crabs, seabed, sediment seabed, sedimentation, shellfish, taxonomic analysis.
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Greenwood, Michellle. (2008) Metal Concentrations in Fish and Shellfish of the Avon-Heathcote Estuary/Ihutai and Rivers: 2008. (EOS Ecology, prepared for Environment Canterbury)
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Keywords: arsenic, Avon - Heathcote Estuary, Cadmium, Cockle shells, copper, heavy metals, lead, mecury, shellfish, trace Elements, zinc.
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Dysart, Marie, Miller, Malcolm, Pascoe, Warwick. (2008) Rakaia Catchment Water Allocation Issues: A review of water allocation administration, stream depletion management, and other issues within the Rakaia Catchment, and options for formalizing allocation arrangements.. #ISBN: 978-1-86937-89. (Environment Canterbury)
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Keywords: 1 for 1 sharing, Abstraction, allocation Blocks, allocation limits, Banding System, groundwater allocation zones, mean daily flow, minimum flow, minimum flow recommendations, natural Resources Regional Plan, NRRP, Rakaia, Rakaia River, reductions in use, Reliabilty of supply, surface water allocation zones, The Banding System, Water conservation Order, water permit holders, water use.
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Hullen, Joseph, Lenihan, Te Marino, Lilley, Susan, Oliver, Sarah, Pauling, Craig, Pearson, Lizzy. (2008) South-West Christchurch Area Plan: Phase 1 Report: Tangata Whenua Values. (Christchurch City Council)
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Keywords: Consultation, Cultural health assessment, cultural sustainabily indicators, cultural values, fauna, flora, mahinga kai, Maori, native wetlands, Ngai Tahu, Ngati Mamoe, Outline Development Plans, riparian buffer strips, riparian buffer zones, sites of significance, South-West Christchurch Area Plan, SWAP, tangata whenua, Te Runanga o Ngai Tahu, Te Taumutu Runanga, Te Whakatau Kaupapa, traditional place names.
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Martin, Adam, Williams, Howard. (2008) State of the Canterbury Region Water Resource, October 2008. #ISBN 978-1-86937-891. (Environment Canterbury)
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Keywords: annual, aquifers, Climate, climate projections, groundwater, groundwater levels, groundwater recharge, rainfall, rainfall levels, recharge, river flows, river flows, soil Moisture, soil moisture deficit, soil moisture levels, state of water resources, temperature, trends.
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Bind, Jochen, Duncan, Maurice. (2008) Waimakariri River bed sediment movement for ecological resetting. (NIWA, prepared for Environment Canterbury)
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Keywords: abstraction, abstraction allocation, allocation, bed material, benthic, benthic ecology, Central Plains Water Enhancement Scheme, channel morphology, ecological resetting, ecology, erosion, flood flows, flow modelling, flushing flow, flushing flow requirements, hydrograph, invertebrates, minimum flow, Waimakariri River.
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Chague-Goff, Catherine, Goff, James. (2007) Avon-Heathcote Estuary (Ihutai): Palaeoenvironmental changes project – Final stage report. (National Institute of Water & Atmospheric Research Ltd (NIWA), prepared for Christchurch City Council)
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Keywords: Avon-Heathcote Estuary, Brooklands Lagoon, core samples, coring, dating, environmental changes, historical data, modelling, radiocarbon dating, South New Brighton, Taylors Mistake, Tsunami.
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Weir, Julian. (2007) Canterbury Groundwater Model 2. (Aqualinc Research Limited)
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Keywords: abstraction, abstraction Levels, alluvial deposits, aquifer, climate, groundwater, groundwater flow, groundwater levels, groundwater model, Hydrogeological overview, irrigation, land use change, modelling, piezometric, predictions, rainfall, Rangitata Diversion Race, river flows, river inputs, saltwater intrusion, simulation, suitability, surface water.
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Meredith, Adrian, Wilks, Taryn. (2007) Canterbury high country lakes water quality monitoring programme: Results of the third year monitoring 2007. #ISBN: 978-1-86937-67. (Environment Canterbury)
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Keywords: algal blooms, Chlorophyll A concentration, climate, Degradation, Dissolved Reactive Phosphorus, DRP, High Country Lake, Lake Coleridge Lake Lyndon Lake Pearson, lake cycles, Lake Grassmere Lake Sarah Lake Georgina, Land surface Activities, land use change, mesotrophic, mesotrophic, monitoring, natural lake cycles, netative water level, NNN, nutrient limited, oligotrophic, Rainfall, TLI, trends, trophic, Trophic Level Index, turbid episodes, water quality.
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Beech, Mary, Meredith, Adrian, Vesey, Susannah. (2007) Ecosystem health monitoring programme November-December 2006 and site specific habitat trend analysis 2000 – 2006. Study of Selwyn River at Coes Ford. #ISBN: 978-1-86937-66. (Environment Canterbury)
Short Resource Summary: [Show]
Keywords: annual, Banks Peninsula, biotic health, Coes Ford, foothill river, habitat health, habitat trend analysis, health, inter-montane Basin, lowland river, macroinvertebrate, mountain fed rivers, River classification, trends, wadeable streams.
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Hack, Lisa. (2007) Impacts of Drain Discharges on Sediment and Biota in a Defined Area of the Avon-Heathcote Estuary/Ihutai. (EOS Ecology, prepared for Environment Canterbury)
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Keywords: Avon - Heathcote Estuary, biota, Cockle shells, Concentration, discharges, heavy metals, ISQG, macroalgae, mahinga Kai, metals, mudflat snail, nutients, point-source, sediment, stalk eyed mud crab, Trigger levels, trigger value, zinc.
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Topélen, Jeanine. (2007) Mean Annual Low Flow (Seven Day) and Mean Flow Mapping for the Upper Selwyn River Catchment. #ISBN: 978-1-86937-71. (Environment Canterbury)
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Keywords: flow, isohydal map, isohydal mapping, MALF, Mean Annual Low Flow, Mean Flow, regression equations, Seven-day Mean Annual Low Flow, water quantity.
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Couling, Ken, Eastman, Roy, May, Paul, McCarthy, Joe, Oliver, Sarah, Watts, Robert. (2007) South-West Christchurch Area Plan: Phase 1 Report - Ground and Surface Water Management. (Christchurch City Council)
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Keywords: aquifer confining layer, Area Plan, confined aquifers, ecological values, ecology, ephemeral waterways, groundwater, groundwater quality, halswell River, heathcote river, heavy metals, Henderson's Basin, ICMP, infiltration, Integrated Catchment Management Plans, South-West Christchurch Area Plan, springs, stormwater, stormwater management, surface water, surface water quality, Urban development, urban growth.
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Meredith, Adrian, Wilks, Taryn. (2006) Canterbury high country lakes water quality monitoring programme: Results of 2006 monitoring and assessment of nutrient indices.. (Environment Canterbury)
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Keywords: algal blooms, Chlorophyll A concentration, Degradation, Dissolved Reactive Phosphorus, DRP, Lake Coleridge Lake Lyndon Lake Pearson, Lake Grassmere Lake Sarah Lake Georgina, mesotrophic, netative water level, NNN, nutrient limited, oligotrophic, TLI, trophic, Trophic Level Index, turbid episodes, water quality.
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Larned, Scott, Schallenberg, Mark. (2006) Constraints on phytoplankton production in Lake Ellesmere/Te Waihora. (NIWA, prepared for Environment Canterbury)
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Keywords: atmospheric deposition, biomass, groundwater seepage, Lake Ellesmere, Light, long term trends, nutients, nutrient limitation, nutrient sources, Nutrient-light interactions, phytoplankton, Rainfall, stormflows, Te Waihora, temperature, tributary inputs.
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Aitchison-Earl, Philippa, Williams, Howard. (2006) Relationships between groundwater pressures and lowland stream flows in the Lake Ellesmere area. (Environment Canterbury)
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Keywords: aquifer, conductivity, correlations, environmental instream values, Environmental values, groundwater, groundwater pressure, hydraulic gradient, Instream Ecological Values, instream values, lake Ellesmere, minimum flows, stream flows, te Waihora, trigger levels, trigger values, water-bearing strata.
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Martin, Adam, Williams, Howard. (2006) State of the Canterbury Region Water Resource, October 2006. (Environment Canterbury)
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Keywords: climate projections, foothill river, groundwater Levels, groundwater recharge, land temperature, lowland streams, rainfall, Recharge, river flows, River flows, soil Moisture, soil Moisture, soil moisture levels, temperature, trends, water balance, wells.
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Aitchison-Earl, Phillipa. (2006) Stream depletion of the spring-fed lowland streams of the Rakaia-Selwyn Groundwater Allocation Zone. (Environment Canterbury)
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Keywords: abstraction impacts, groundwater, groundwater abstraction, groundwater zone, hydraulic connection, Rakaia, Rakaia-Selwyn Groundwater Zone, Selwyn, spring fed streams, stream depletion effect, surface flow levels, surface-groundwater interface.

Bolton-Ritchie, Lesley. (2005) Akaroa Harbour nutrient status April 1989 – June 2004. (Environment Canterbury Technical Report)
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Keywords: ammonia, ammonia nitrogen, chlorophyll A concentration, concentration, concentrations, dissolved reactive phosphorus, monitoring, Nitrogen concentrations, nutrients, phosphorus, phytoplankton, sewerage disposal, stormwater runoff, suspended sediment, total nitrogen, total organic nitrogen, total phosphorus.
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Aquatic Ecology Ltd, EOS Ecology Ltd, Kingett Mitchell Ltd. (2005) Aquatic Values & Management: South-West Christchurch Integrated Catchment Management Plan Technical Series. (EOS Ecology Ltd, Aquatic Ecology Ltd & Kingett Mitchell Ltd, prepared for Christchurch City Council)
Short Resource Summary: [Show]
Keywords: aquatic ecology, aquatic ecosystems, biota, development, ecological values, ecosystems, fauna, Fish, fish sampling, freshwater resources, Golf course drain, Halswell Catchment, Heathcote Catchment, instream values, integrated catchment management plan, invertebrate, land use change, mitigation, monitoring, riparian buffer zones, rural land use, sampling, sediment control, South-West, South-West Christchurch, South-West Christchurch integrated catchment management plan, summer sampling, taxa, urban land use.

Francis, G S, Jamieson, P D, Li, F Y. (2005) Estimates of nitrogen and phosphorus leaching under various land uses in Canterbury. (New Zealand Institute for Crop & Food Research Limited, prepared for Aqualinc for Central Plains Water)
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Keywords: arable land, crop calculators, dairy farm, forest, land use, leaching, Nitrogen, OVERSEER, phosphorus, rainfall, sheep/beef farm, soil, wheat.
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Bolton-Ritchie, Lesley, Main, Malcolm. (2005) Nutrient water quality Avon-Heathcote Estuary/Ihutai Inputs, concentrations and potential effects. (Environment Canterbury)
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Keywords: algae, algae decomposition, ammonia nitrogen, ANZECC, Avon - Heathcote Estuary, Concentration, dissolved reactive phosphorus, drains, drp, fish, macroalgae, nitrate-nitrite nitrogen, NNN, nutrient concentration, nutrient sources, nutrients, oxidation ponds, phytoplankton, sediments, seepage, stormwater, stormwater discharge, toe drains, total nitrogen, TP, trigger levels, trigger value, water quality.
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Bolton-Ritchie, Lesley. (2005) Sediments and macrobiota of the intertidal flats of inner Akaroa Harbour. (Environment Canterbury)
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Keywords: Akaroa Harbour, biological biomass, Cockle shells, cockles, grain size, intertidal flats, macrobiota, organic matter content, sediments, taxa, total nitrogen, total phosphorus, wedge shells.
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Aitchison-Earl, Philippa, Davey, Grant, Horrell, Graeme, Martin, Adam, Sanders, Russel, Scott, David, Smith, Esther, Weeber, John. (2005) State of the Canterbury Region Water Resource, October 2005. (Environment Canterbury)
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Keywords: annual, aquifers, Climate, climate projections, El Nino, groundwater, groundwater levels, groundwater recharge, hydrograph, rainfall, rainfall levels, recharge, river flows, river flows, soil Moisture, soil moisture deficit, soil moisture levels, state of water resources, temperature, trends.
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Vincent, Craig. (2005) The Hydrogeology of the Upper Selwyn Catchment: MSc thesis summary. (Environment Canterbury)
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Keywords: aquifer characteristics, aquifers, aquifers, dairy expansion, farming, farming practices, Future management, geology, geomorphology, Geomorphology, groundwater, groundwater, groundwater age, groundwater ages, groundwater chemistry, groundwater demand, Groundwater flow, groundwater recharge, groundwater recharge, groundwater-surface water interface, Hororata River, Hororata River, hydrology, Hydrology, intensive farming, intensive land use, irrigation, Irrigation, land surface activities, land use change, management, nitrate-nitrogen, oxygen-18, piezometric contours, Recharge, recharge sources, river gaugings, Selwyn catchment, Selwyn Plains, selwyn River, Selwyn River, spring-fed, Springs, Surface water, Upper Selwyn Catchment, Upper Selwyn Plains, Waianiwaniwa River, water chemistry, water levels, water quality, water quantity.
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Aitchison-Earl, Philippa, Sanders, Russel, Scott, D M. (2004) Groundwater Allocation Limits: Guidelines for the Canterbury Region. (Environment Canterbury)
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Keywords: allocation limits, average annual rainfall, Groundwater allocation, groundwater allocation zones, intermittent streams recharge, irrigation recharge, land-surface recharge, NRRP, sustainable yield.
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Scott, David. (2004) Groundwater Allocation Limits: land-based recharge estimates. (Environment Canterbury)
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Keywords: 1st Order Approach, 2nd Order Approach, Allocation Zones, Climate, Evapotranspiration, First Order Approach, groundwater, Irrigation, Land Surface Recharge, Meteorological, Rainfall, Recharge Estimation, Second Order Approach, Soil Moisture, Soil Moisture Budget Model.
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Hawes, Ian, Jellyman, Don, Kelly, David, Sagar, Paul, Stephens, Scott. (2004) Lake Ellesmere (Te Waihora): a review of water clarity and the potential for macrophyte growth, and the benthic invertebrates, fisheries and birds, and their feeding relationships. (NIWA, prepared for Environment Canterbury)
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Keywords: attentuation of light, birdlife, birds, bullies, chlorophyll A concentration, commercial fisheries, eels, fish, food webs, gulls, herons, inanga, invertebrates, lake depths, Lake Ellesmere, Land surface Activities, land use change, macrophytes, mahinga kai, model, modelling, mullet, oestrogens, sediment, sediment inputs, shags, shortfin eels, stable isotope analyses, suspended sediment concentrations, taxonomic analysis, Te Waihora, trophic, vegetation, waders, water clarity, water quality, waterfowl, wave, wave model, wind.
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Bolton-Ritchie, Lesley. (2004) Lyttelton Harbour/ Whakaraup ? nutrient status April 1988 – June 2003. #ISBN: 1-86937-529-7. (Environment Canterbury)
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Keywords: ammonia nitrogen, ANZECC, concentration, Dissolved reactive phosphorus, DRP, Lyttelton, nitrate-nitrite nitrogen, NNN, nutients, total nitrogen, total organic nitrogen, total phosphorus, trigger levels, water depth, water quality.
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Grove, Philip. (2004) Management Plan for Wetlands On Council Endowment Land at Kaitorete Spit and Ahuriri Reserves. (Environment Canterbury)
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Keywords: Ahuriri Reserves, Indigenous biodiversity, indigenous vegetation, Kaitorete Spit, Lake Ellesmere, management, management plan, Motukarara, Riparian, riparian areas, wetland, wildlife.
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Fenwick, Graham D. (2004) Marine ecology of Akaroa Harbour: rocky shores and subtidal soft bottoms. (NIWA, prepared for Environment Canterbury)
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Keywords: Akaroa Harbout, benthos, biotic, biotic patterns, Intertidal biota, marine ecology, sedimetns.
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Anthony, Melissa, Lavender, Rochelle, Meredith, Adrian. (2004) Results of ecosystem health monitoring in Canterbury region between November 2000 and February 2003. (Environment Canterbury)
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Keywords: annual data, annual health monitoring programme, biotic, biotic metrics, habitat health, Invertebrate, invertebrate sampling, Periphyton, seasonal trends, stream ecosystem health, wadeable streams, water quality.
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Smith, Esther. (2004) Seven Day Mean Annual Low Flow Mapping for the Upper Selwyn River Catchment. (Environment Canterbury)
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Keywords: 7DMALF, abstractions, allocation, Isohydal map, Low flows, naturalising river flows, Regression equations, selwyn River, seven-day Mean Annual Low Flow, water availability.
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Aitchison-Earl, Philippa, Davey, Grant, Ettema, Marc, McKerchar, Alistair, Scott, D M, Smith, Esther, Weeber, John. (2004) State of the Canterbury Region Water Resource, October 2004. (Environment Canterbury)
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Keywords: annual, aquifers, Climate, climate projections, El Nino, groundwater, groundwater levels, groundwater recharge, hydrograph, rainfall, rainfall levels, recharge, river flows, river flows, soil Moisture, soil moisture deficit, soil moisture levels, state of water resources, temperature, trends.
[More Information]
Fenwick, Graham D. (2003) Port of Lyttelton ecological monitoring: May 2003. (NIWA, prepared for Environment Canterbury)
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Keywords: baseline, Benthic infauna, biota, ecological monitoring, Intertidal biota, intertidal data, Lyttelton, monitoring, seaweed, sediments, taxa.
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McCahon, Ian. (2003) Proposed Selwyn District Plan - Township and Rural Volumes: Technical Report on Otahuna Valley Flooding. (Geotech Consulting Ltd)
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Keywords: flood flows, flooding, ponding, stormwater, Urban development.
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Aitchison-Earl, Philippa, Chater, Mandy, Dicker, Michael, Ettema, Marc, Sanders, Russel, Scott, David, Smith, Esther, Weeber, John. (2003) State of the Canterbury Region Water Resource, October 2003. (Environment Canterbury)
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Keywords: annual, aquifers, Climate, climate projections, El Nino, groundwater, groundwater levels, groundwater recharge, rainfall, rainfall levels, recharge, river flows, river flows, soil Moisture, soil moisture deficit, soil moisture levels, state of water resources, temperature, trends.
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Grant, Helen. (2003) The Surface and Groundwater Resources of the Little Rakaia Zone (Lee River, Tent Burn and Jollies Brook). (Environment Canterbury)
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Keywords: allocation, aquifer, aquifer properties, Cryers creek, groundwater, groundwater abstractions, groundwater flow, groundwater recharge, groundwater resources, irrigation, irrigation recharge, Jollies Brook, Lee river, Little Rakaia Zone, rainfall, Rainfall, Rakaia, shallow aquifer, spring-fed, spring-fed streams, stock race, stream depletion effect, surface resources, surface water, Tent Burn, water balance.
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Stewart, Mike, Trompetter, Vanessa, Van der Raaij, Rob. (2002) Age and source of Canterbury plains groundwater. (Prepared by Institute of Geological and Nuclear Sciences for Environment Canterbury)
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Keywords: Age Determination, age of groundwater, CFC Dating, Confined aquifers, Environment canterbury, groundwater recharge, Nitrogen concentrations, Nitrogen-15, Oxygen-18, security of groundwater drinking water supplies, source of groundwater, sustainable development, Tritium.
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Hayward, S A, Meredith, A S. (2002) An overview of the water quality of the rivers and streams of the Canterbury region. #ISBN 1-86937-473-8. (Environment Canterbury)
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Keywords: ammonia, ammonia toxicity, clarity, Concentration, degradation, eutrophication, faecal contamination, groundwater runoff, hill-fed rivers, irrigation runoff, Land surface Activities, land use, microbial contamination, microbial quality, mountain fed rivers, nitrogen, nutrients, phosphorus, riparian buffer strips, sedimentation, toxic contaminants, water quality.
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Glova, Gordon, Kelly, Dave, Sykes, Julian, Walsh, Jeremy. (2002) Central Plains Water Enhancement: an assessment of potential environmental effects of the Waianiwaniwa Reservoir site. (NIWA, prepared for URS New Zealand Ltd)
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Keywords: anoxia, Central Plains, Central Plains Water, comparison, eels, endangered, Eutrophication, fish, irrigated land, irrigation, low dissolved oxygen, mudfish, predators, rare, reservoir site, sediment, sediment load, stratification, water clarity, water quality, weed growth.
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Hayward, S A. (2002) Christchurch-West Melton Groundwater Quality: A review of groundwater quality monitoring data from January 1986 to March 2002. (Environment Canterbury)
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Keywords: aesthetic, algal growth, aquifer, arsenic, Christchurch, Concentration, confined aquifers, drinking water standards, faecal coliform concentrations, groundwater, groundwater chemistry, groundwater quality surveys, groundwater recharge, high water levels, iron, Long term patterns, long term trends, manganese, maximum Accepted Value, nitrate-nitrogen, ph, phosphorus, rainfall, recharge sources, saltwater, spring-fed, springston, unconfined aquifer, unconfined groundwater.
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Fenwick, Graham, Image, Katie. (2002) Effect of Lakes Ellesmere and Forsyth openings on the Banks Peninsula coastal environment. (NIWA, prepared for Environment Canterbury and Banks Peninsula District Council)
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Keywords: Akaroa, lake Ellesmere, lake openings, nutrient data, nutrients, phytoplankton, Rock lobsters.
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McMorran, Tim. (2002) Geotechnical Investigation for the proposed Waianiwaniwa Water Storage Dam. (URS New Zealand Ltd, prepared for Central Plains Water Enhancement Committee, Selwyn District Council and Christchurch City Council)
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Keywords: faults, geotechnical conditions, hydrogeology, Penetrometer, Reservoir, reservoir geology, seismic activity, slope instability, Waianiwaniwa Dam, Waianiwaniwa Valley, water storage dam.
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Abraham, Phil, Hanson, Carl. (2002) Groundwater quality monitoring - annual summary, 2001-02. (Environment Canterbury)
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Keywords: acidic, Aesthetic, annual surveys, drinking water quality, Drinking water standards, hydrocarbons, ions, iron, long term patterns, long term trend, manganese, MAV, Maximum Accepted Value, microorganism, monitoring, Nitrate, nitrates, pesticides, pH, saltwater intrusion, surveys, Water quality.
[More Information]
Fenwick, Graham. (2002) Marine benthic infauna of three bays around Banks Peninsula. (NIWA, prepared for Environment Canterbury)
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Keywords: abiotic, banks Peninsula, benthic infauna, crustaceans, fauna, infauna, marine, marine ecology, organic content, sediment, sediment characteristics, shell content, taxa, water depth.
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Hanson, Carl R. (2002) Nitrate concentrations in Canterbury groundwater – a review of existing data. #ISBN 1-86937-457-6. (Environment Canterbury)
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Keywords: Environment Canterbury, Groundwater, Groundwater quality surveys, Land surface Activities, Long-term patterns, Long-term trends, Nitrate Nitrogen Concentrations, Seasonal Nitrate Fluctuations, Spatial Patterns, Wells.
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Charter, Mandy, Dicker, Michael, Ettema, Marc, Grant, Helen, Mullen, Mark, Sanders, Russel, Scott, David, Weeber, John. (2002) State of the Canterbury Region Water Resource, October 2002. (Environment Canterbury)
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Keywords: Abstraction, Allocation, aquifer recharge, climate, El Nino, goundwater levels, groundwater, groundwater recharge, irrigation, low flows, rainfall, water abstraction, water balance.
[More Information]
Close, M E, Noonan, M J, Savill, M. (2002) The Impact of Grazing Animals on Microbial Quality of Groundwater in Canterbury - A Review. (Environmental Science and Research (ESR) and Lincoln University, prepared for Environment Canterbury Regional Council)
Short Resource Summary: [Show]
Keywords: animal grazing, aquifer system, Border dyke irrigaiton, Burnham, canterbury Plains, dairy, E coli, faecal coliform, faecal matter, fecal matter, flood irrigation, groundwater quality, leachign, lincoln, spray irrigation, Templeton.

Adams, Brian, Glova, Gordon, Kelly, Dave, McMorran, Tim, Sykes, Julian, Tipler, Cliff, Walsh, Jeremy. (2002) Waianiwaniwa Reservoir Feasibility. (URS New Zealand Ltd, prepared for Central Plains Water Enhancement)
Short Resource Summary: [Show]
Keywords: anoxia, construction, costs, cultural sites, dust, economic costs, environmental effects, environmental values, Eutrophication, financial costs, fish, flooding, heritage, irrigation, land ownership, noise, recreation, reservoir, risks, Roading, sedimentation, stratification, suspended sediment, Waianiwaniwa Dam, waianiwaniwa Valley, water clarity, water levels, water quality, water quality, weed growth.
[More Information]
Booker, D J, Graynoth, Eric. (2001) Instream habitat and flow regime requirements for Birdlings Brook, the Halswell river, Harts Creek, and the Lee River. #ISBN: 978-1-86937-91. (NIWA, prepared for Environment Canterbury)
Short Resource Summary: [Show]
Keywords: Birdlings Brook, eels, flow variability, freshes, halswell River, Harts Creek, Instream Ecological Values, instream habitat modelling, Instream values, Lee River, minimum flow, physical habitat modelling, seasonal flow requirements, trout.
[More Information]
Aitchison-Earl, Philippa, Chater, Mandy, Dicker, Michael, Ettema, Marc, sanders, Russel, Scott, D M, Weeber, John. (2001) State of the Canterbury Region Water Resource, 1 October 2001. (Environment Canterbury)
Short Resource Summary: [Show]
Keywords: annual, aquifers, Climate, climate projections, El Nino, groundwater, groundwater levels, groundwater recharge, hydrograph, rainfall, rainfall levels, recharge, river flows, river flows, soil Moisture, soil moisture deficit, soil moisture levels, state of water resources, temperature, trends.
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(2000) Guidelines for the Assessment of Groundwater Abstraction Effects on Stream Flow. #ISBN: 1-86937-387-1. (Pattle Delamore Partners Ltd, prepared for Environment Canterbury)
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Keywords: abstraction, AEE, Assessment of Environmental Effects, cumulative effects, Darcy Equation, effective management, groundwater, groundwater demand, groundwater flow models, Hydrological Settigns, interlinked, stream depletion effect, Stream-Aquifer Interaction, surface water, Uncertainty.
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Facer, Suzanne. (2000) Interactions between the Streams and Groundwater in the Harts Creek and Birdlings Brook Catchments. (Environment Canterbury)
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Keywords: birdlings Brook, clarity, detoriating water quality, fish numbers, groundwater, groundwater Levels, harts Creek, hydrogeology, irrigation recharge, lake Ellesmere, piezometric survey, rainfall, rainfall recharge, springs, stream clarity, stream depletion effect, streambed conductance, summer flows, surface water flow, water abstraction, water quality.
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Loris, Phoebe. (2000) Investigation of Wood Creek and its Relationship to Groundwater and Surface Waters in the Lake Ellesmere Catchment. (Environment Canterbury)
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Keywords: groundwater system, groundwater-surface water interface, interrelation, lake Ellesmere, relationship, stream depletion effect, system, te Waihora, Wood Creek.
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Sanders, Russel. (2000) Irrigation Water Use Survey: Report on the 1999/2000 Irrigation Season. (Environment Canterbury)
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Keywords: Canterbury plains, evaporation, irrigated farming, irrigation, La Nina, land use change, precipitation, rainfall, rainfall graphs, soil moisture balance, soil moisture balance, water balance.

Hayward, S. A, Smith, V. R. (1999) Groundwater Contamination by Hydrocarbons in Canterbury: A review of monitoring data from April 1988 to June 1999. #ISBN: 1-86937-369-3. (Canterbury Regional Council)
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Keywords: chlorinated hydrocarbons, chlorine, contaminants, contamination, groundwater, groundwater contamination, groundwater quality, groundwater samples, hydrocarbons, monitoring, New Zealand drinking water standards, organic compounds, water quality, well monitoring, wells.

(1999) Study of the Effects of Sea Level Rise for Christchurch. (Tonkin and Taylor Ltd, prepared for Christchurch City Council)
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Keywords: Avon - Heathcote Estuary, Avon River, Brooklands Lagoon, Christchurch, climate change, coastal processes, erosion, estimates of sea level rise, groundwater, heathcote river, impacts, Inundation, planning, protection measures, river bank erosion, salinity, Sea level rise, sediment supply, sedimentation, storm effects, Waimakariri River, water levels.
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Sanders, R. A.. (1998) Irrigation Water Use Survey: Report on the 1997/98 Irrigation Season. (Canterbury Regional Council)
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Keywords: drought, El Nino, evapotranspiration, groundwater, groundwater demand, groundwater pumping, inline flow meters, irrigation, irrigation season, irrigation use, power rating method, precipitation, rainfall, seasonal water balance, water balance, water demand, water use.

Earl, Phlippa. (1998) Pilot Study of the Springs of the Halswell -LII Catchment. (Environment Canterbury)
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Keywords: artesian zone, Christchurch confined, Confined aquifers, discharge, geology, groundwater, Halswell, halswell LII, hydrogeological conditions, hydrogeological history, Lake Ellesmere, Lincoln, piezometric, samples, sampling, spring characteristics, spring discharge, spring morphology, springs, Tai Tapu, water chemistry.
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Little, Richard. (1997) Christchurch – West Melton Groundwater: Hydrogeology (Volume 1 of 3). (Woodward-Clyde (NZ) Ltd, prepared for Canterbury Regional Council)
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Keywords: abstraction impacts, abstraction rates, aquifer parameters, aquifer structure, Bromley Formation, Burwood Aquifer, Christchurch Formation, Christchurch-West Melton Groundwater area, collective pumping, confined aquifer, cumulative effects, geology, groundwater takes, hydrogeological data, Linwood Aquifer, Linwood Gravel, Riccarton Aquifer, Riccarton Gravel, saltwater intrusion, Springston Formation, stratigraphy, Waioni aquifer, water level, water supply network.

Little, Richard. (1997) Christchurch-West Melton Groundwater: Hydrogeology: volume 1 of 3. (Woodward-Clyde (NZ) Ltd, prepared for Canterbury Regional Council)
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Keywords: aquifer characteristics, aquifers, bromley formation, Burwood Aquifer, burwood gravel, Christchurch Formation, christchurch-West Melton aquifer system, formations, geological data, gravels, groundwater, groundwater abstraction, groundwater system, heathcote formation, hydrogeology, Linwood Aquifer, linwood gravel, resource consent, Riccarton Aquifer, riccarton gravel, shirley formation, Springston Formation aquifer, stratigraphy, Wainoni Aquifer, wainoni gravel.

Little, Richard. (1997) Christchurch-West Melton Groundwater: Resource Consent Applications – Groundwater Abstractions Officers Report and Recommendations. (Woodward-Clyde (NZ) Ltd, prepared for Canterbury Regional Council)
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Keywords: Christchurch-West Melton Groundwater, consent, Consent applications, groundwater abstractions, investigating officers report, water takes.

Pattle Dalamore Partners Ltd. (1997) Enhancement of Flow in Christchurch City Waterways via Stock Water Race Discharges. (Canterbury Regional Council)
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Keywords: aesthetics, Christchurch streams, cultural issue, economic costs, environmental issues, flooding, flow levels, increased flow levels, low flow mitigation, stream enhancement, tangata whenua, turbitidy, Waimakariri River, water race scheme, western Christchurch waterways.

Sanders, R. A.. (1997) Irrigation Water Use Survey: Report on a Three Year Survey of Groundwater Use on the Canterbury Plains, 1994 - 97. (Canterbury Regional Council)
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Keywords: Canterbury Plains, central Canterbury plains, cumulative use, evaporation, groundwater, groundwater abstractions, groundwater sourced irrigation, irrigation, irrigation water use survey, monitoring, patterns, quantity estimations, rainfall, Rakaia River, water quantity.

Rossiter, Phil. (1997) Quality Assurance of Well and Consent Data for Halswell/LII Catchment. (Canterbury Regional Council)
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Keywords: abstraction consents, abstraction levels, consent, consent review, data collection, groundwater consent, groundwater data, Halswell, Halswell LII, LII, stream depletion investigation, water takes, well data, wells.
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Sanders, R. A.. (1996) Effects of Groundwater Abstractions on Surface Water Flows in the Lower Waimakariri River and its Tributaries. #ISBN: 1-86937-292-1. (Canterbury Regional Council)
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Keywords: groundwater abstraction, groundwater takes, hydraulic connection, Jenkins method, Lower Waimakariri River, stream depletion effect, stream management, surface water flow rates, Surface water flows, surface-groundwater interface, Waimakariri Catchment, Waimakariri tributaries, water permits, well controls.

Sanders, R. A.. (1996) Irrigation Water Use Survey 1995 – 1996 Interim Report: Year 2 of a 3 Year Study. (Canterbury Regional Council)
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Keywords: Central Canterbury Plains, estimations, flowmeters, groundwater quantity, groundwater usage estimations, irrigation, power rating method, Precipitation, Rainfall, rainfall data, Rakaia, Waimakariri.

Broadbent, Mike, Pattle Delamore Partners Ltd. (1996) The Potential for Artificial Recharge of the Shallow Aquifers in the Christchurch-West Melton Area: Principles, Dynamics and Constraints – Literature Review. #ISBN: 1-86937-298-0. (Pattle Delamore Partners Ltd, prepared for Canterbury Regional Council)
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Keywords: artificial aquifer recharge, artificial groundwater recharge, artificial recharge, Christchurch-West Melton, Christchurch-West Melton groundwater zone, groundwater management, groundwater quantity, groundwater recharge, modelling, recharge.

Pattle Delamore Partners Ltd. (1996) Water Allocation in the Kowai River Water Resource. (Pattle Delamore Partners Ltd, prepared for Canterbury Regional Council)
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Keywords: abstractions effect, allocated water, available water, consents, consequences, impacts, Kowai River, low flow conditions, monitoring, Waimakariri River, water abstractions, water allocations, water levels.

Ettema, Marc, Moore, C R. (1995) Seepage in Lake Ellesmere.
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Keywords: confined aquifers, drainage to groundwater, groundwater, hydraulic gradient, inflow, lake Ellesmere, salinity, sedimentation, seepage, seepage meters, spatial distribution, water balance.
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Ettema, M. H. J. (1994) Ground Water Level Monitoring Network Optimisation: Central Plains. (Canterbury Regional Council)
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Keywords: Central Canterbury Plains, Central Plains, data quality assurance, groundwater, groundwater data, groundwater level, Monitoring data, quality assurance, Rakaia, Rakaia River, Waimakariri, Waimakariri River.

Bathurst, E T. (1989) Water Supplies of the Christchurch District (excluding Greater Christchurch City): chemical analyses. Water Supplies of New Zealand Series. (Dept. of Scientific and Industrial Research (DSIR), Chemistry Division)
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Keywords: chemical concentrations, Chemical contaminants, drinking water, new Zealand Drinking Water Standards, potable water, public water supply, school water supply, water quality, water supplies.

Allan, S. J, Bathurst, E. T. J. (1985) Water Supplies of the Christchurch District Chemical Analysis. #ISSN: 0369-6790. (Department of Scientific and Industrial Research – Chemistry Division (DSIR))
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Keywords: analysis, bacteriological concentrations, bacteriological data, chemical analysis, chemical data, Christhcurch City, concentrations, Heathcote County, Lyttelton Borough, raw data, Riccarton Borough, sampling, Waimari District, water quality.

Millhouse, David. (1977) Trace Metals in the Avon-Heathcote Estuary, Christchurch, New Zealand. (Estuarine Research Unit, Department of Zoology, University of Canterbury)
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Keywords: Avon-Heathcote Estuary, biota, concentration, estuary, metal contamination, metals, trace Elements, trace metals.

Mandel, S. (1974) The Groundwater Resources of the Canterbury Plains. (New Zealand Agricultural Engineering Institute, Lincoln College, Canterbury, New Zealand)
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Keywords: Canterbury plains, Canterbury Plains groundwater, climate, exploitation, flow, future demand, future water use, geography, groundwater, groundwater abstraction, groundwater exploitation, groundwater flow, groundwater system, infiltration, irrigation, irrigation limits, limits, permeability, recharge, river flow, surface water, system characteristics.
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Dalmer, Erle. B. (1971) The Waimakariri River as a Water Resource: A report presented to the North Canterbury Catchment Board on 2 October, 1970. (The North Canterbury Catchment Board)
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Keywords: Abstraction, discharge quantities, discharges, fish, flow data, industrial waste, infiltration, irrigation, low flows, North Canterbury Catchment board, Pollution, Precipitation, rainfall levels, recreation, river characteristics, river classification, river use, surface water, Waimakariri, Waimakariri River, water rights, water takes, wildlife.

Grigg, F.J.T. (1948) Composition of Natural Waters of Canterbury and West Coast Districts with special Reference to Christchurch Artesian Water. (Department of Scientific and Industrial Research)
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Keywords: archives, artesian aquifers, Artesian Water Supply, bacteria, bacteriological analysis, Christchurch water supply, dissolved gases, drinking water, fluorine, groundwater, groundwater characteristics, groundwater chemistry, historical data, historical overview, iodine, minerals, radio-activity, water supplies, water supply.

Blackwell, L. B. (1879) Christchurch Water Supply: A report on the feasibility of supplying Christchurch with water from the River Waimakariri through the media of cylinders as proposed by Mr. W. White. (City Council)
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Keywords: benefits, Christchurch water supply, cylinders, feasibility, historical data, historical overview, transportation, Waimakariri River, water demand, water supply, water use.