Tantangara Dam: Difference between revisions

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The Snowy Water Initiative (SWI) is an agreement for water recovery and environmental flows between the NSW, Victorian and Australian Governments, and Snowy Hydro Limited (SHL) which is set out in the Snowy Water Inquiry Outcomes Implementation Deed 2002 (SWIOID 2002). The SWI provides three main environmental water programs as part of rebalancing the impacts of the Snowy Hydro Scheme on montane rivers. These three programs are increased flows for: (i) Snowy River, (ii) River Murray, and (iii) Snowy Montane Rivers.
<ref>Williams (2017) Ecological process: the basis for flow based river rehabilitation in the Snowy Montane Rivers, 2017-18|url=https://www.researchgate.net/publication/316739410_Ecological_process_the_basis_for_flow_based_river_rehabilitation_in_the_Snowy_Montane_Rivers</ref>
The Snowy Montane River Increased Flows (SMRIF) program identifies five montane rivers to receive environmental water. The water availability for SMRIF is linked to the water availability for Snowy River Increased Flows (SRIF) (Williams 2017), which is determined by the water recovery in the western rivers and the preceding climatic conditions. The SWIOID 2002 provides for SHL to forego up to 150 Giga Watt hours (GWHrs) of electricity generation to allow for environmental releases to be made to SMRIF. This value of 150 GWHrs is converted into a volumetric allocation, but the conversion factor differs depending on the location of the releases in the Snowy Mountains Scheme, and thus influence the overall volume released. In some locations water released can be re-used to generate electricity so a smaller conversion factor is applied (SWIOID 2002), however, where water is lost to the Snowy Scheme a higher conversion factor is applied.<ref name="Williams 2017">{{cite web|last1=Williams|first1=S|title=Ecological process: the basis for flow based river rehabilitation in the Snowy Montane Rivers, 2017-18|url=https://www.researchgate.net/publication/316739410_Ecological_process_the_basis_for_flow_based_river_rehabilitation_in_the_Snowy_Montane_Rivers_2017-18.316739410}}</ref>
 
Releases to the Murrumbidgee River are made from Tantangara dam, a much larger structure than the other release points, for which a gated release structure is available. Accordingly, the daily flow release strategy for the Murrumbidgee River differs from the other SMRIF release points.<ref name="Williams 2017"/>
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==External links==
* {{cite web|url=http://www.environment.nsw.gov.au/ieo/Murrumbidgee/maplg.htm|title=Murrumbidgee and Lake George catchments|format=map|work=Office of Environment and Heritage|publisher=[[Government of New South Wales]]|date=}}
* {{cite webbook|url=http://www.water.nsw.gov.au/ArticleDocuments/34/water_environment_snowy_report_snowy_flow_expert_panel_report.pdf.aspx|date=May 2009|publisher=NSW Department of Water and Energy|isbn=978-0-7347-5656-5|title=Expert panel environmental flow assessment of various rivers affected by the Snowy Mountains Scheme|author1=Bevitt, R.|author2=Erskine, W.|author3=Gillespie, G.|author4=Harriss, J.|author5=Lake, P.|author6=Miners, B.|author7=Varley, I.|format=PDF}}
*{{cite web|url=http://www.actew.com.au/Water%20and%20Sewerage%20Systems/ACT%20Water%20Supply%20System/ACT%20Water%20Supply%20Map.aspx|title=Interactive ACT water supply map|publisher=[[ACTEW Corporation]]|year=2011}}
*{{cite web|url=http://www.geotech.net.au/media/Documents/Research%20pdfs/Two_Unusual_Cofferdams.pdf|format=PDF|title=Two unusual cofferdams|author1=Keays, R. H.|author2=Loidl, D.|work=Research|publisher=Geotech Pty. Ltd}}
*{{cite web|url=http://www.environment.nsw.gov.au/resources/parks/southern/Kosciuszko_National_Park/6KosiGuide2012Trails.pdf|format=PDF|title=Trails in Kosciuszko|year=2012|work=Kosciuszko National Park Guide|publisher=[[National Parks and Wildlife Service (New South Wales)|NSW National Parks & Wildlife Service]]|url-status=dead|archiveurl=https://web.archive.org/web/20150104123914/http://www.environment.nsw.gov.au/resources/parks/southern/Kosciuszko_National_Park/6KosiGuide2012Trails.pdf|archivedate=4 January 2015|df=dmy-all}}
 
{{Snowy Mountains Scheme |state=autocollapse}}