An Analysis of the Impact of Weather Variation on Monthly Water Demand

by Ken C. Hall, CH2M HILL, United States,
David R. Maidment, CH2M HILL, United States,

Document Type: Proceeding Paper

Part of: Optimizing the Resources for Water Management


A methodology is utilized to analyze and model the impact of weather variation on monthly long distance water deliveries in Southern California. Monthly water demand is viewed as a combination of four components; trend, seasonal cycle, autocorrelation, and climatic variations. The model utilized allows variation of model coefficients from month to month throughout the year. Twenty-five member agencies of the Metropolitan Water District of Southern California are analyzed as case studies, lending insight into the water demand process and the applicability of the model to water supply planning.

Subject Headings: Water demand | Water supply | Case studies | Mathematical models | Light rail transit | Seasonal variations | Climate change | Hydrologic models | California | United States

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