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Track: Water Resources
Joe Miyamoto
East Bay Municipal Utility District
500 San Pablo Dam Road
Watershed Headquarters
Orinda, CA 94563
Telephone: 510-287-0459
Fax: 510-254-8320
Reza Ghezelbash, Mardi Jackson
Using GIS for Managing Floodplain Ecosystems
GIS Solution: GIS use in modeling a floodplain and other ecosystem components as a management tool for East Bay Municipal Water District. Making a modeled ecosystem available and maintainable to natural resource and operations managers allows them to find new solutions to tough issues. Methodology: The floodplain model was developed in order to delineate the flood prone lands along the Lower Mokelumne River below Camanche dam to the intersection of Highway 99 (a total of 20.80 miles in length). The floodplain model is then used in conjunction with other layers such as salmon spawning, wildlife observations, land use, ownership, temperature, and soils by managers via ArcView to predict results of and communicate management decisions. Software: The floodplain modeling application was built in ArcInfo (AWK and AML) for use by managers in ArcView. Additionally, the floodplain model accommodates functional end user needs such as plotting and reporting. The purpose of this paper is to demonstrate the use
of a floodplain model in managing a riparian ecosystem including fisheries, wildlife, water quality, and land use issues. The encrypted floodplain application has the native interface and feel of an Esri function.
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