[1]胥彦玲,王苏舰,李怀恩.土地覆被变化对流域非点源污染的影响研究——以黑河流域为例[J].水土保持研究,2010,17(03):250-253.
　XU Yan-ling,WANG Su-jian,LI Huai-en.Influence of Land Coverage Change on Non-point Source Pollution——Taking Shaanxi Heihe River Watershed as an Example[J].Research of Soil and Water Conservation,2010,17(03):250-253.
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土地覆被变化对流域非点源污染的影响研究——以黑河流域为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 17 期数: 2010年03期 页码: 250-253 栏目: 出版日期: 2010-06-20
Title:
Influence of Land Coverage Change on Non-point Source Pollution——Taking Shaanxi Heihe River Watershed as an Example
作者:
胥彦玲1, 王苏舰1, 李怀恩2
1. 北京市科学技术情报研究所, 北京 100120;
2. 西安理工大学 西北水资源与环境生态教育部重点实验室, 西安 710048
Author(s):
XU Yan-ling1, WANG Su-jian1, LI Huai-en2
1. Beijing Municipal Institute of Science and Technology Information, Beijing 100120, China;
2. Key Laboratory of NorthwestWater Resources, Environment and Ecology, Ministry of Education, Xi’an University of Technology, Xi’an 710048, China
关键词:
非点源污染; 土地利用变化; 陕西黑河流域
Keywords:
non-point source pollution; land use/coverage change; Heihe river basin in Shaanxi Province
分类号:
X522
摘要:
以黑河流域为例，在探讨SWAT模型在陕西黑河流域适用性的基础上，通过对不同土地利用情境下产生的非点源污染进行定量分析与对比研究，结果表明：①土地利用/覆被变化会对流域非点源污染产生极大的影响。林地具有较强的减水、减沙效应，从而极大地削减了流域非点源污染的产生。②加强土地管理，促进土地的合理利用，特别是15°以上坡耕地的合理利用，将是有效控制流域非点源污染，保护流域水质的有效措施。③未来黑河流域土地利用最佳状况是：响应国家水源保护政策，流域人口逐渐搬离，15°以上的坡地全部还林，在满足饮用水水质标准的情况下，允许15°以下坡度中有少量适宜农耕的耕地，无未利用地，且植被覆盖较好。此时，流域氮的年总负荷为13.25 kg，磷的年总负荷为3.29 kg，对流域水质不会造成污染。
Abstract:
Taking Shaanxi Heihe River Watershed as an example, based on the applicability analysis of SWAT model in Shaanxi Heihe River Basin, this article discussed the non-point source pollution of different landuse situations by quantitative analysis and comparative studies. The results shows: ① Land-use/coverage changes have a tremendous impact to watershed non-point source pollution. Woodland has a strong reduction in water and sediment, which reduce non-point source pollution of watershed greatly. ②To strengthen land management, promoting the rational use of land, especially the land above 15° slope, is the effective measure of watershed non-point source pollution control and water quality protect. ③The best landuse management mode are as follows: all sloping field above 15° will be completely returned to forest. The land of suitable for farming below 15° is allowed to exist. Unused land is not existent. At this scene, the annual total nitrogen load is 13.25 kg, and the annual total phosphorus load is 3.29 kg, which will not lead pollution to the river water quality.

参考文献/References:

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备注/Memo

收稿日期:2009-12-7。
基金项目:国家自然科学基金项目（90610030）
作者简介:胥彦玲（1977- ），女，陕西汉中人，助理研究员，主要从事环境政策及环境科学方面的研究.E-mail：yanling7722@126.com

更新日期/Last Update: 1900-01-01