The effect of climate change on surface water - CSIRO Land and Water
The effect of climate change on surface water - CSIRO Land and Water
The effect of climate change on surface water - CSIRO Land and Water
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Calibrati<strong>on</strong> results<br />
Run<str<strong>on</strong>g>of</str<strong>on</strong>g>f (mm)<br />
600<br />
450<br />
300<br />
150<br />
Annual run<str<strong>on</strong>g>of</str<strong>on</strong>g>f vs rainfall Model – observed run<str<strong>on</strong>g>of</str<strong>on</strong>g>f<br />
Bancell Brook – <strong>Water</strong>ous<br />
0<br />
600 800 1000 1200 1400 1600<br />
Rainfall (mm)<br />
1975-1994<br />
1995-2007<br />
• In about half <str<strong>on</strong>g>of</str<strong>on</strong>g> catchments, run<str<strong>on</strong>g>of</str<strong>on</strong>g>f coefficients have reduced over the<br />
recent past (1995 to 2007) – that is, the same amount <str<strong>on</strong>g>of</str<strong>on</strong>g> rainfall<br />
produces less run<str<strong>on</strong>g>of</str<strong>on</strong>g>f<br />
• Our rainfall-run<str<strong>on</strong>g>of</str<strong>on</strong>g>f models are over predicting run<str<strong>on</strong>g>of</str<strong>on</strong>g>f during the recent<br />
period<br />
<strong>CSIRO</strong> South-West Western Australia Sustainable Yields Project – Surface <strong>water</strong><br />
Modelled – observed (mm)<br />
100<br />
50<br />
0<br />
-50<br />
Bancell Brook – <strong>Water</strong>ous<br />
-100<br />
1970 1980 1990 2000 2010<br />
Year
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