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首页> 美国政府科技报告 >Rainfall-Runoff Characteristics and Effects of Increased Urban Density on Streamflow and Infiltration in the Eastern Part of the San Jacinto River Basin, Riverside County, California
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Rainfall-Runoff Characteristics and Effects of Increased Urban Density on Streamflow and Infiltration in the Eastern Part of the San Jacinto River Basin, Riverside County, California

机译：加利福尼亚州里弗赛德县圣哈辛托河流域东部降雨 - 径流特征及城市密度增加对河流和入渗的影响

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To better understand the rainfall-runoff characteristics of the eastern part of the San Jacinto River Basin and to estimate the effects of increased urbanization on streamflow, channel infiltration, and land-surface infiltration, a long-term (1950-98) time series of monthly flows in and out of the channels and land surfaces were simulated using the Hydrologic Simulation Program- FORTRAN (HSPF) rainfall-runoff model. Channel and land-surface infiltration includes rainfall or runoff that infiltrates past the zone of evapotranspiration and may become ground-water recharge. The study area encompasses about 256 square miles of the San Jacinto River drainage basin in Riverside County, California. The objectives of this study were (1) to estimate annual streamflow, channel infiltration and land-surface infiltration, (2) to summarize long-term monthly flows in and out of the channels and land surfaces, and (3) to determine the annual hydrologic effects of increased urban density on streamflow, channel infiltration, and land-surface infiltration.

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