Urbanization and Hydrologic Consequences in Simi Valley, California

by M. Ali Tabidian,
James M. Evensen, Jr.,
Don D. Adelman,
Steve Elliott,



Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water

Abstract: Regressional analysis of historical hydrological data including rainfall and runoff data reveal that although there has not been a significant temporal change in the amount of rainfall in Simi Valley, California, there has been a significant increase in runoff and stream flow rates since the mid 1960s. There are several urban-related activities, including land-use changes in the valley, lack of capturing and storing runoff in reservoirs and a recent dewatering system, which may have contributed to the higher stream flow rates.

Subject Headings: Hydrology | Urban areas | Streamflow | Runoff | Hydrologic data | Rainfall-runoff relationships | Regression analysis | Flow rates | Data analysis | North America | California | United States

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