Selwyn > Rakaia Catchment

There are 35 records in this subcategory.


Alqassab, N A, Edwards, S, Mohssen, M, Walters, A S. (2011) The impact of El Nino and La Nina weather patterns on Canterbury water resources. 19th International Congress on Modelling and Simulation: Sustaining our Future: Understanding and Living with Uncertainty. Page(s) 3601-3607.
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Keywords: El Nino, El Nino southern oscillation, ENSO, evapotranspiration, La Nina, rainfall, rainfall data, Rakaia, Rakaia River, river flow, southern oscillation, Waimakariri, Waimakariri River, water balance, water budget.
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Jellyman, P G, McHugh, P A, McIntosh, A R. (2010) Dual influences of ecosystem size and disturbance on food chain length in streams. Ecology Letters. Vol. 13. Page(s) 881-890.
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Keywords: Broken River, Cass, Cass River, coach Stream, disturbance, dry stream, ecosystem size, food chain, food chain length, food webs, grasmere stream, patterns, porter river, stable isotope, stream ecosystems, streams.

Gray, D P. (2010) Ecological Connectivity in Braided Riverscapes. Biology. Vol. Doctor of Philosophy. Page(s) 288. (University of Canterbury)
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Keywords: biodiversity, biotic patterns, braided rivers, ecological connectivity, ecosystems, energy pathways, flow variability, food webs, habitat, invertebrate diversity, invertebrates, isotopes, physical patterns, Rakaia River, vertical connectivity, Waimakariri River.

Gray, D, Harding, J S. (2009) Braided river benthic diversity at multiple spatial scales: a hierarchical analysis of beta diversity in complex floodplain systems. Journal of the North American Benthological Society. Vol. 28. #3. Page(s) 537-551.
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Keywords: benthic, benthic invertebrate biodiversity, beta diversity, braided River, Invertebrate, invertebrate biodiversity, invertebrate density, invertebrate diversity, lateral patterns, longitudinal, Rakaia River, spatial distribution, spatial Patterns, taxa, Waimakariri River.
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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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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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White, Paul. (2009) Review of the decision on applications to take groundwater in the Rakaia-Selwyn area. #ISBN: 978-1-86937-92. (Institute of Geological and Nuclear Sciences Limited, prepared for Environment Canterbury)
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Keywords: aquifer, Christchurch formation, formation, geological structure, geology, gravel, groundwater, groundwater allocation zone, groundwater discharge, groundwater flow, groundwater levels, groundwater recharge, irrigation water, rainfall recharge, Rakaia groundwater, Rakaia-Selwyn Groundwater Zone, riccarton gravel, river recharge, Selwyn Groundwater, spring-fed streams, Springston formation, stream depletion, water balances.

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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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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Burrell, Greg. (2007) Response to Request for Further Information Regarding Ecological Effects - Central Plains. (Golder Associates, prepared for URS New Zealand Ltd)
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Keywords: Central Plains, Central Plains Water, Central Plains Water Enhancement Scheme, construction, construction effects, diffuse pollution, drawing water, flood frequency, groundwater levels, lake Ellesmere, lake openings, land use intensification, mitigation, nitrate concentrations, point-source discharges, Rakaia River, reduced flood frequency, river flows, stream flows, waimakariri River, water quality, water use, wetland habitats.
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Greig, H S, McIntosh, A R, Wissinger, S A. (2006) Impacts of introduced brown and rainbow trout on benthic invertebrate communities in shallow New Zealand lakes. Freshwater Biology. Vol. 51. #11. Page(s) 2009-2028.
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Keywords: benthic communities, benthic invertebrate communities, benthos, Brown trout, caddisflies, dragonflies, Introduced animals, introduced species, Invertebrate, invertebrate communities, lake, predation, predators, rainbow trout, Rakaia Catchment, shallow lakes, trout, waimakariri catchment.

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.

Williams, Howard. (2006) The Rakaia Selwyn Groundwater Zone – Technical summary of the effects of groundwater abstractions on stream flows and reliability of groundwater. (Environment Canterbury)
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Keywords: Aquatic ecology, groundwater level, groundwater quantity, minimum flow, rakaia, Rakaia Selwyn zone, selwyn, Selwyn Rakaia, stream flows, surface – groundwater interface, water abstraction, water quantity.
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Kerr, Geoffrey N., Leathers, Kenneth L., Sharp, Basil M. H.. (2004) Instream water values : Canterbury's Rakaia and Waimakariri Rivers. #ISBN: 0-909042-55-1. (Lincoln University. Agribusiness and Economics Research Unit.)
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Keywords: Contingent valuation method, dollar value, fish, fishing, flow protection, flows, instream flows, instream values, rakaia, Rakaia River, raw data, resident surveys, salmon, surveys, travel cost, Waimakariri, Waimakariri River, water quality, willingness to pay.
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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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Borrie, Neal, Keller, Jeanine. (2001) Assessment of Environmental Effects for Waimakariri and Rakaia Rivers Water Takes. (URS New Zealand Ltd and Lincoln Environmental, prepared for Christchurch City Council, Selwyn District Council and Ashburton Community Water Trust Inc)
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Keywords: AEE, Amenity values, Assessment of Environmental Effects, Benthic, Central Plains, Central Plains Water, Central Plains Water Enhancement Scheme, consents, cultural environment, Cultural values, economic costs, fish, flows, geomorphology, mitigation, Periphyton, Rakaia River, recreation, riparian vegetation, social values, Waimakariri River, water takes.
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Evans, Christopher John. (1999) Effects of Irrigation on Groundwater Recharge between the Rakaia and Selwyn Rivers, Canterbury, New Zealand. Environmental Science (Civil Engineering). Vol. Master of Science wi. Page(s) 148. (University of Canterbury)
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Keywords: Agricultural development, border dyke irrigaiton, canterbury groundwater, central plains, geological data, groundwater, groundwater quantity, groundwater recharge, irrigation, irrigation efficiency, irrigation recharge, land use intensification, rainfall recharge, Rakaia River, recharge depths, Selwyn river, spray irrigation, water infiltration, water table.

Sanders, R. A.. (1995) Irrigation Water Use Survey 1994 – 1995 Interim Report: Year 1 of a 3 Year Study. (Christchurch)
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Keywords: Canterbury Plains, central Canterbury plains, evaporation, groundwater, groundwater abstractions, groundwater sourced irrigation, irrigation, irrigation water use survey, monitoring, patterns, power rating method, quantity estimations, rainfall, Rakaia, Rakaia River, Rakaia River, water quantity.

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.

Anderson, B. (1994) Groundwater between the Selwyn and Rakaia Rivers, Canterbury, New Zealand: A Hydrogeological Modelling Study. Geography. Vol. Master of Science wi. Page(s) 285. (University of Otago)
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Keywords: aquifer structure, artificial aquifer recharge, artificial discharge, geology, groundwater, groundwater abstraction, groundwater recharge, hydrogeological investigations, inter-aquifer recharge, land use change, land use intensification, modelling, piezometric data, rainfall recharge, Rakaia catchment, Rakaia River, raw data, recharge, river characteristics, river-aquifer interaction, Selwyn catchment, Selwyn River, Selwyn-Rakaia groundwater, surface-groundwater interface, Transmissivity, water abstraction, water availability, water balance.

Roper-Lindsay, Judith. (1991) Environmental Manual: Rivers Engineering Works in Canterbury Region. #ISBN: 1-86937-138-0. (Boffa Miskell Partners, prepared for Canterbury Regional Council)
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Keywords: Avon River, BAnks Peninsula Streams, canterbury rivers, catchment map, cultural sites, ecological times, Ellesmere area streams, Ellesmere system, habitats, halswell River, Hawkins, Heathcote River, Hororata River, Irwell, kaituna river, long bay stream, maps, okuti river, Rakaia River, Selwyn River, significant sites, species, Styx River, Waianiwaniwa River, waterway threats.

Biggs, Barry J, Close, M E. (1989) Periphyton biomass dynamics in gravel bed rivers: the relative effects of flows and nutrients. Freshwater Biology. Vol. 22. Page(s) 209-231.
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Keywords: alpine rivers, Ashley, Avon River, biomass, chlorophyll A concentration, dissolved reactive phosphorus, drp, flows, foothill river, nitrogen, nutrient, Periphyton, periphyton Biomass, periphyton chlorophyll river flow, Rakaia, regulation, Selwyn River, spring fed river, WAimakariri River.
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Ministry for the Environment. (1988) National Water Conservation (Rakaia River) Order 1988.
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Keywords: Rakaia River, Water conservation Order.
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Scott, D M, Thorpe, H R. (1986) Ground water resources between the Rakaia and Ashburton Rivers. #ISSN: 0112-1197. (Hydrology Centre)
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Keywords: Aquifer, groundwater, groundwater abstraction, groundwater quantity, groundwater system, hydrological characteristics, irrigation, irrigation expansion, land use change, modelling, piezometric levels, Rakaia and Ashburton River groundwater, river recharge, soil moisture, Stock race leakage, water levels, water quantity.

Dimbleby, B. R., McCallum, L. R., Norton, A. C.. (1984) Rakaia Reserves: Resource Assessment and Draft Management Plan. (North Canterbury Catchment Board and Regional Water Board)
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Keywords: aesthetics, area, braided river, braided riverbed, climate, Ellesmere County, farming, Forestry, Future management, historical overview, location, management framework, Management objectives, Management plan, North Canterbury Catchment Board Report, North Rakaia River Board, policies, policy, Rakaia, Rakaia catchment, Rakaia River, Rakaia transport barrier, recreation, sheep runs, Soils, topography, vegetation, Wildlife.

Ayrey, R. B, Bowden, M. J, Cathcart, R. W, Glennie, J.M, Saville-Smith, K. J. (1983) Rakaia River Catchment and the Adjacent Plains: An Introduction to the Issues and Options. (North Canterbury Catchment Board and Regional Water Board)
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Keywords: central plains, discussion document, erosion, flooding, future management, groundwater, groundwater area, irrigation, Lake Ellesmere, legislation, management plan, Rakaia Catchment, Rakaia groundwater, Rakaia River, water quality.

Saville-Smith, K. J. (1983) Recreation and the Rakaia River: On-Site Survey Data. (Recreation and the Rakaia River: On-Site Survey Data)
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Keywords: on-site surveying, Rakaia catchment, Rakaia River, recreation, recreational activities, recreational use, recreational users’ profile, river characteristics, water conditions.

Ayrey, R. B, Bowden, M. J, Cowie, B, Duffield, D. N, Glennie, J. M, Kirk, R.M, Lineham, I. W, Mason, C.R, Miskell, D. J, Moore, K, Saville-Smith, K., Talbot, J. D, Weeber, J. H. (1983) The Rakaia River and Catchment – A Resource Survey (Volume 1). (North Canterbury Catchment Board and Regional Water Board)
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Keywords: agriculture, conflicts, erosion, farming, forestry, geology, historical overview, introduced animals, Land use capability, major issues, management, precipitation, present land use, rainfall, Rakaia, Rakaia Catchment, Rakaia River, Rakaia Water Resources, relief, soils, temperature, topography, vegetation, wild animals.

Bowden, M. J, Kirk, R.M, Talbot, J. D. (1983) The Rakaia River and Catchment – A Resource Survey (Volume 2). (North Canterbury Catchment Board and Regional Water Board)
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Keywords: catchment runoff, groundwater, groundwater recharge, Lake Coleridge, Rakaia, Rakaia Catchment, Rakaia River, Rakaia River, Rakaia River mouth, resource survey, river flow, river mouth surface groundwater interface, runoff characteristics, surface water abstraction, surface – groundwater relationship, water resources.

Bowden, M. J, Cowie, B, Lineham, I. W, Saville-Smith, K. J. (1983) The Rakaia River and Catchment – A Resource Survey (Volume 3). (North Canterbury Catchment Board and Regional Water Board)
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Keywords: aquatic invertebrates, fish community, fisheries, flood, flow, Lake Coleridge, lake water quality, lakes, Rakaia, Rakaia catchment, Rakaia River, river abstractions, riverbed vegetation, vegetation, water quality, wetlands, wildlife, wildlife community.

Glennie, J. M, Miskell, D. J, Saville-Smith, K. J. (1983) The Rakaia River and Catchment – A Resource Survey (Volume 4). (North Canterbury Catchment Board and Regional Water Board)
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Keywords: aesthetic values, angling, boating, effluent dilution, existing water rights, fish farming, future demands, hydro-electricity generation, irrigation, irrigation supply, landscape values, power generation, Rakaia Catchment, Rakaia River, Rakaia River Mouth, recreation, recreation resources, recreational activities, recreational values, resource survey, resource use, Stockwater, visual values, water demands, water rights, water use, wildlife.

Brown, W. A. N., Cree, A. M., Gough, J., Knowles, I. S., Laing, M. T., Leathers, Kenneth L., Lochhead, Lynnette E., Sharp, Basil M. H., Williams, D.. (1983) Water and choice in Canterbury : review and assessment of research priorities for lower Rakaia and central plains irrigation planning. #ISSN: 0069-3790. (Lincoln College. Agricultural Economics Research Unit)
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Keywords: abstraction, abstraction, Canterbury plains, ecological Impacts, Electricity generation, flow levels, groundwater resources, irrigation, power generation, Rakaia, Rakaia River, Rakaia River Catchment, recreation, water systems.
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Walker, E. A. (1983) Water – New Zealand Impressions. (Whitcoulls Publishers)
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Keywords: Avon River, Lake Coleridge, Rakaia River, Surface Water.

Southern Energy Group. (1976) Hydro Energy and Irrigation - Rakaia River Concept Study: Summary. (Southern Energy Group, prepared for the New Zealand Energy Research and Development Committee)
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Keywords: catchment, catchment characteristics, Electricity generation, irrigation, irrigation races, lake Coleridge, Rakaia Catchment, Rakaia River, recreation, storage, water control, water races, water storage.

Stephen, G D. (1972) The Water Resources of the Rakaia Catchment. (North Canterbury Catchment Board and Regional Water Board)
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Keywords: abstractions, catchment characteristics, continuous flow data, daily mean discharges, discharges, flow data, flow data, future abstractions, future water use, geology, groundwater, irrigation, Lake Coleridge, Lake Heron, North Canterbury Catchment Board, rainfall, rainfall levels, rainfall quantities, Rakaia, Rakaia Catchment, Rakaia Gorge, Regional Water Board, run-off, surface water, water quality, water quantity, water use.