有限监测资料下非点源污染负荷预测方法研究

Study on the prediction method of non point source pol ution load under limited monitoring data

非点源污染控制的首要前提是确定非点源污染负荷量。我国仅有部分流域具有有限的降雨径流水质水量同步资料,如何充分利用有限资料来预测非点源污染负荷成为非点源污染控制中的重点和难点之一。文中利用流域有限的径流水质同步监测资料,提出单位面积负荷法(修正)、平均浓度法、水质水量相关法、土地利用类型指数法,预测非点源污染负荷(年、次暴雨)。

The primary premise of non -point source pollution （NPS） management is to quantify the loads. However, in most watersheds, there are very few data for runoff and water quality. To predict the loads with suitable models for these cases is one of the keystones in NPS management. In this paper we modified unit area load method, and compared it with average concentration method, water quality and quantity relationship method and land uses type index method.