[1]唐政洪,蔡强国,许峰,等.基于GIS的农林复合经营的侵蚀控制模拟研究[J].水土保持研究,2001,8(04):170-174.
　TANG Zheng-hong,CAI Qiang-guo,XU Feng,et al.Study on the GIS-based Simulation of Erosion Control for Agroforestry[J].Research of Soil and Water Conservation,2001,8(04):170-174.
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基于GIS的农林复合经营的侵蚀控制模拟研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 8 期数: 2001年04期 页码: 170-174 栏目: 出版日期: 1900-01-01
Title:
Study on the GIS-based Simulation of Erosion Control for Agroforestry
作者:
唐政洪1, 蔡强国1, 许峰2, 王忠科3, 吴淑安1
1. 中国科学院地理科学与资源研究所 北京100101;
2. 水利部水土保持监测中心;
3. 河北省张家口市水保试验站
Author(s):
TANG Zheng-hong1, CAI Qiang-guo1, XU Feng2, WANG Zhong-ke3, WU Shu-an1
1. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;
2. Monitoring Center of Soil and Water Conservation, Ministry of Water Resources, Beijing, China;
3. Experimental Station of Soil and Water Conservation in Zhangjiakuo, Hebei Province, China
关键词:
冀西北; 农林复合经营; 植物篱-农作系统; 汇流网络
Keywords:
Northwest of Hebei Province; agroforestry; hedgerow-crops system; conflux networks
分类号:
S157.4;TP79
摘要:
根据张家口郭家梁试验场的小区资料,建立了小流域侵蚀产沙模型以及植物篱侵蚀控制模型;并在GIS的支持下,从小流域数字高程模型(DEM)中提取基于地块间水沙汇流网络,生成基于地块的水沙运移网络图,并将地块间的水沙汇流过程引入小流域侵蚀产沙的模拟中,实现了侵蚀产沙模型与地理信息系统(GIS)的深层次耦合,模拟出坡面水沙在小流域的空间运动过程。1995～1999年的青边口河小流域模拟结果表明:坡耕地、荒坡地、低覆盖的天然草地的平均侵蚀模数最大,是侵蚀控制的重点土地利用类型。在坡耕地、荒坡地、低覆盖的天然草地配置面
Abstract:
Based on the data of Guojialiang test site, soil erosion and sediment yield models and erosion control models of the hedgerow were established. The study produced water and sediment transport networks of the catchment from digital elevation model (DEM) and brought them to the models. The combination of GIS and models simulated the influence of upper-runoff to the lower-slope and the spatial process of runoff and sediment transport in a catchment. The result of the simulation from 1995 to 1999 showed that cultivated slope land, bare slope land and natural grass land with low vegetative cover have the highest erosion modulus in Qingbiankohe catchment, and they are the important regions for erosion control. Authors simulated the system of the hedgerow-crops in these regions whose area only has 18.2% of the whole catchment. The results show that the control effect for runoff is between 8% and 46% and the control effect for sediment is between 42% and 50%. The simulation results of nutrient loss shows that the loss of organic matter is severe on current conditions. However, it is an effective method to control the nutrient loss on the condition of hedgerow-crops system.

参考文献/References:

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备注/Memo

收稿日期:2001-8-25。
基金项目:国家自然科学基金资助项目(49871053);中科院地理科学与资源研究所知识创新工程项目(CXIOG-A00-05-02);河北省山办、省科委项目(96230905)
作者简介:唐政洪,(1974- ),中国科学院地理科学与资源研究所博士研究生,主要从事流域侵蚀产沙模拟、流域原理信息系统方面的研究.

更新日期/Last Update: 1900-01-01