South-west Western Australia Sustainable Yields Project, Water

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Groundwater deficits may develop near Perth, Collie and Albany Recent climate 2030 gap CSIRO SWWASY Project – Water Corporation Median future climate 2030 gap Dry future climate 2030 gap Surplus Deficit
The project area can meet all except high demands until 2030 under a median future climate Available SW/GW yield (GL/y) 2500 2000 1500 1000 500 0 Current yield Historical Recent Wet extreme Median Yarragadee Mirrabooka Leederville Superficial Other aquifer Self-supply dams CSIRO SWWASY Project – Water Corporation Dry extreme Scheme dams Fractured rock Total demand v Total available yield (GL/y) 2500 2000 1500 1000 500 0 2005 2010 2015 2020 2025 2030 2035 2030 Low demand Recent 2030 Medium demand Wet extreme 2030 High demand Median Historical Dry extreme • A 250 GL/y deficit may develop under a dry extreme climate and high demand 250 GL
Page 1 and 2: South-West Western Australia Sustai
Page 3 and 4: Publications Main reports Executive
Page 5 and 6: Project area topography • Short s
Page 7 and 8: South-west WA has had reduced rainf
Page 9 and 10: 14 of 15 GCMs project it will get d
Page 11 and 12: Rainfall runoff modelling • Runof
Page 13 and 14: Global climate models Averaged acro
Page 15 and 16: Percent decline in runoff in all ba
Page 17 and 18: Groundwater models • The PRAMS mo
Page 19 and 20: Maximum depth of the watertable in
Page 21 and 22: Collie groundwater basin level chan
Page 23 and 24: Environment - key findings For surf
Page 25 and 26: Water use in the project area • T
Page 27 and 28: Surface water use is highest in cen
Page 29 and 30: Surface water yields are projected
Page 31 and 32: Gaps in surface water yields and de
Page 33 and 34: Groundwater use and future demand i
Page 35 and 36: CSIRO SWWASY Project - Water Corpor
Page 37: Available SW/GW yield (GL/y) 300 25
Page 41 and 42: Key Findings (cont.) 3. Groundwater
Page 43 and 44: Acknowledgements • DEWHA - fundin
Page 45: Questions? CSIRO SWWASY Project - W

South-west Western Australia Sustainable Yields Project, Water

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