万州区降水对农业面源污染变化趋势研究  

The Variation Trend Study on the Pollution of the Agriculture Caused by the Rainfall in Wanzhou District

作　　者：程瑶[1] 牟新利[1] 刘贵强[1] 张红[1] 

机构地区：[1]重庆三峡学院化学与环境工程学院,重庆404100

出　　处：《重庆与世界（学术版）》2013年第9期10-12,共3页THE WORLD & CHONG QING

基　　金：重庆市大学生创新创业训练计划项目(201210643009);重庆三峡学院青年项目(11QN-22)

摘　　要：以重庆市万州区为例,分析1955—2011年共计57年的降水变化情况,发现降水主要集中在7月。通过每年降水时间结合施用化肥、农药的状况预测降水形成的地表径流对农业面源污染造成的影响。通过降水变化趋势的研究可以为万州区控制农业面源污染提供理论依据。The paper takes the Wanzhou district in Chongqing as an example, and analyzes the situa- tion of precipitation variability during the 1955 to 2011. The result shows that the rainfall was mainly in July. Agricultural non-point source pollution is affected by the annual precipitation time combined with the chemical fertilizer, pesticide runoff, and prediction of precipitation formation.. The study on the variation trend of precipitation can provide theoretical basis for the control of agricultural non-point source pollution in Wanzhou district.

关 键 词：降水 大雨 农业面源污染 Mann—Kendall 万州区 

分 类 号：F323.22[经济管理—产业经济]