Evaluation of AnnAGNPS and its applications in a semi-arid and semi-humid watershed in Northwest China

被引：6
|
作者：
Li, Jiake [1 ]
Li, Huaien [1 ]
Li, Yajiao [2 ]
机构：
[1] Xian Univ Technol, Key Lab NW Water Resource & Environm Ecol MOE, Xian 710048, Shaanxi, Peoples R China
[2] Xian Univ Sci & Technol, Sch Architecture & Civil Engn, Xian 710054, Shaanxi, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ENVIRONMENT AND POLLUTION | 2012年 / 49卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
AnnAGNPS model; management measure; effect simulation; environmental pollution; China; SOURCE POLLUTION MODEL; SOIL-EROSION; PESTICIDE FATE; SEDIMENT; AGNPS; TRANSPORT; RUNOFF; INTEGRATION; SIMULATION; PREDICTION;
D O I：
10.1504/IJEP.2012.049769
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The main goal of this study was to evaluate the performance of AnnAGNPS (Annualised Agricultural Non-Point Source Pollution Model) in simulating runoff, sediment loading and nutrient loading in a semi-arid and semi-humid watershed of an area of 1481sq km, located in Northwest China. This model was first calibrated and tested by historic monitoring data and then the validated model was used to simulate the effects of non-point source (NPS) pollution management measures. The results indicate that reforestation measures, which reduce the amount of runoff, sediment, total nitrogen and total phosphorus, should be adopted in the study watershed to control NPS pollution. The model was also used to assess the effects of other measures on NPS pollution. This study concludes that AnnAGNPS has the potential to be a valuable tool for the planning and management of watersheds in the semi-arid regions of China.
引用
收藏
页码：62 / 88
页数：27
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