[1]孟庆香,刘国彬,杨勤科.黄土高原土壤侵蚀时空动态分析[J].水土保持研究,2008,15(03):20-22.
　MENG Qing-xiang,LIU Guo-bin,YANG Qing-ke.Soil Erosion Change on the Loess Plateau[J].Research of Soil and Water Conservation,2008,15(03):20-22.
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黄土高原土壤侵蚀时空动态分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 15 期数: 2008年03期 页码: 20-22 栏目: 出版日期: 2008-06-20
Title:
Soil Erosion Change on the Loess Plateau
作者:
孟庆香1,2, 刘国彬2, 杨勤科2
1. 河南农业大学 资源与环境学院, 郑州 450002;
2. 中国科学院 水利部 水土保持研究所, 陕西 杨陵 712100
Author(s):
MENG Qing-xiang1,2, LIU Guo-bin2, YANG Qing-ke2
1. College of Resources and Environment, He’nan Agriculture University, Zhengzhou 450002, China;
2. Institute of Soil and Water Conservation, CAS & MWR, Yangling, Shaanxi 712100, China
关键词:
黄土高原; 土壤侵蚀; 水力侵蚀; 风力侵蚀; 冻融侵蚀
Keywords:
the Loess Plateau; soil erosion; water erosion; wind erosion; freeze-thaw erosion
分类号:
S157
摘要:
利用GIS技术对黄土高原1986年、2000年和2002年土壤侵蚀动态变化进行分析。土壤侵蚀面积比例由1986年的66.13%上升到2000年的67.14%，到2002年下降为64.88%，其中，水力侵蚀面积比例呈现扩大趋势，风力侵蚀面积不断减少，冻融侵蚀面积先减少后增加。从整个黄土高原看，内蒙古自治区、陕西北部、甘肃和宁夏土壤侵蚀面积较大，青海、陕西关中地区、河套平原和宁夏平原以及山西部分地区土壤侵蚀面积略小。长期以来，土壤侵蚀面积占区域总面积的比例都在60%～70%，总体上水土流失仍然严重，水土保持和生态环境建设任务任重道远。
Abstract:
Using GIS and relation data,soil erosion change on the Loess Plateau was analyzed in 1986,2000 and 2002.Erosion area rate is 66.13% in 1986,and it raise to 67.14% in 2000,but reduce to 64.88% in 2002.Thereinto,water erosion area exhibited wide trend,wind erosion is reducing,freeze-thaw erosion increased and then decreased from 1986 to 2002.On the Loess Plateau,soil erosion area rate in Inner Mongolia,north of Shaanxi province,Gansu province and Ningxia Hui Aotonomous Region is higher,and is smaller in Qinghai province,middle of Shaanxi province,Hetao plain,Ningxia plain and some areas of Shanxi province.The erosion area rate is 60%~70% from 1986 to 2002,therefore the soil and water erosion is severe as a whole,it is a long way to finish the aim of Green mountain and Clear river.

参考文献/References:

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备注/Memo

收稿日期:2007-7-6。
基金项目:中科院西部行动计划项目（KZCX2-XB2-05）；国家自然科学基金重点项目（90502007）；河南农业大学博士启动项目（30200241）
作者简介:孟庆香（1977- ），女，河南新乡人，讲师，博士，主要从事水土保持与生态环境评价研究。E-mail：qxmeng@126.com

更新日期/Last Update: 1900-01-01