山丘区小流域面源污染调查与风险评估

——以济南市乔店水库为例

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中图分类号：X524；X821文献标志码：A

Investigation and Risk Assessment of Non-point Source Pollution in a Small Hilly Watershed

A Case Study in Qiaodian Reservoir in Jinan City

SUN Diantai 1 ，WANG Xin²， JIANG Xin²， WU Yuanchao 3 ， LIU Yuyu 1 （1.School of Water Conservancyand Environment，University of Jinan，Jinan 25oO22，Shandong，China; 2.Water Resources Research Institute of Shandong Province， Jinan 25O014，Shandong，China; 3.Service Center for Jinan Municipal Water Conservancy Project，Jinan 25O099，Shandong，China）

Abstract：To grasp thecurrent situationof watershed non-point source polution inreservoir-type water sources in hily areas，and explore theriskofregional pollutant discharge and countermeasures forpreventionandcontrol，QiaodianReservoir n Jinan Citywas taken asthe studyarea，andtheoutputcoeficient method combined with theequivalent polution loadintensitywas used to estimateand analyze the agricultural non-point source pollution discharge，discharge intensity anddistributioncharacteristicsofthestudyarea in2O22，andclassfytherisk levelof pollution discharge.Theresults showthattheemissionintensityofagricultural non-point sourcepolutioninthe studyareaasa wholeisonthelow side， andthe highly poluted areas are mainly located in the upper reaches of the basin.The main sources of pollution in the study areaare livestock and poultry breeding sources，and the polution emissions from domestic sources and planting sourcesare relativelysmall，the dominant areas ofbreeding sources account forahigh percentage andare mostlydistributed in theupperreachesof the basin.The polution risk inthestudyareashows atrendof increasing from the downstream （the southwestern region） to the upper reaches （the northeastern region）.

Keywords：non-point source polltion；output factor method；equal standard polutionload intensity；smallhilly watershed;Qiaodian Reservoir

近年来，水库逐渐成为城镇生产、生活用水的重要来源，水库型水源地日益成为经济社会可持续发展的重要保障[1]。（剩余9461字）