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The Big PicturerainfallAnnual Flow GrowthLong term annual averge flow and drought period OF averageannual flow for 1997–2003Wimmera River at Glynwyth (Period of Record: 1946 to 2003)Annual Flow GrowthLong term annual averge flow and drought periOD of averageannual flow for 1997–2003Loddon River at Vaughan (Period of Record: 1946 to 2003)ANNUAL FLOW (megalitres)ANNUAL FLOW (megalitres)250,000200,000150,000100,00050,000Annual FlowLong term annual average - Whole period of recordDrought annual average Jan 1997 to Dec 200365,200 MLANNUAL FLOW (megalitres)ANNUAL FLOW (megalitres)120,00090,00060,00030,000Annual FlowLong term annual average - Whole period of recordDrought annual average Jan 1997 to Dec 200339,000 ML14,200 ML13,100 ML19471949195119531955195719591961196319651967196919711973197519771979198119831985198719891991199319951997199920012003YEARS1948195019521954195619581960196219641966196819701972197419761978198019821984YEARSYEARS198619881990199219941996199820002002Figure 4. Recent changes in the pattern of yearly streamflow for four towns in VictoriaComputer-generated mathematical models that can predict Source: Department of Sustainability and Environment, State waterthe climate response to global warming indicate that partsreport, 2004–2005: A statement of Victorian water resources, DSE,of the continent will experience less rain and more variable Melbourne, 2006,.patterns of rainfall. This resetting of rainfall is expected to startin Western Australia and, over time, spread across the southernpart of the mainland.Towns 1 and 2: Glynwyth and Vaughan24 Victorian Women’s Trust - Our Water Mark