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[1]封建民,赵敏宁,王涛.沙漠化对土壤风蚀的影响——以青海共和盆地为例[J].水土保持研究,2008,15(06):10-13.
　FENG Jian-min,ZHAO Min-ning,WANG Tao.Influence of Desertification on Soil Wind Erosion—A Case Study of Gonghe Basin，Qinhai Province[J].Research of Soil and Water Conservation,2008,15(06):10-13.

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沙漠化对土壤风蚀的影响——以青海共和盆地为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 15 期数: 2008年06期页码: 10-13 栏目: 出版日期: 2008-12-20

Title:: Influence of Desertification on Soil Wind Erosion—A Case Study of Gonghe Basin，Qinhai Province

作者:: 封建民¹, 赵敏宁¹, 王涛²; 1. 咸阳师范学院, 资源环境与城市科学系, 陕西咸阳 712000;
2. 中国科学院, 寒区旱区环境与工程研究所, 兰州 730000

Author(s):: FENG Jian-min¹, ZHAO Min-ning¹, WANG Tao²; 1. Resource Environment and City Science Department, Xianyang Normal University, Xianyang, Shaanxi 712000, China;
2. Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China

关键词:: 土壤风蚀; 沙漠化; 共和盆地

Keywords:: wind erosion; desertification; Gonghe basin

分类号:: S157

摘要:: 沙漠化程度对土壤风蚀强度具有重要的影响，一个区域的沙漠化程度在一定意义上可以预示该地区的土壤风蚀程度，探讨二者之间变化关系具有重要意义。以青海共和盆地为例，对该地土壤风蚀随土地沙漠化程度的变化进行探讨，得出共和盆地强烈发展中沙漠化土地年增长率为2.7%，严重沙漠化土地增长率为1.2%。当严重沙漠化土地每增加1km²，土壤风蚀就要随之增加0.43t。盆地的土壤风蚀导致龙羊峡水库每年有20.82万t的沙尘落入库区，使3000万m³的流沙进入库区，造成5000多万元的经济损失。在此基础上，利用该地区自然、人文因子的变化资料，结合其沙漠化程度的变化资料分析了土壤风蚀加剧的原因，从而提出了防治对策与意见。

Abstract:: The desertification degree has the important influence on the soil wind erosion intensity,and it can indicate regional soil wind erosion degree in a certain significance,so discussing the relationship between them has the vital significance.This article taking the Gonghe basin of Qinghai as an example,the change of soil wind erosion is discussed along with the land desertification development.The results showed that increasing rate of moderate desertification land in the study area is 2.7%,the increasing rate of serious desertification land is 1.2%,and if the serious desertification land increases 1km²,the soil wind erosion will increase 0.43t.The basin soil wind erosion causes 2082 016.2t dust falling into the Longyangxia reservoir every year,and more than 30 million cubic meters wind-drift sand entering the storehouse district,and more than 50 million Yuan economic losses.Finally using nature and humanities material,unifying the desertification material,the main factors are analyzed which increased the soil wind erosion,and the preventing and controlling countermeasure and the opinion are proposed.

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备注/Memo

收稿日期:2008-1-22;
基金项目:国家重点基础研究发展规划“中国北方沙漠化过程及其防治研究”（G2000048700）；咸阳师范学院重点项目（05xsyk101）
作者简介:封建民（1972- ），男，陕西省凤翔县人，博士，讲师，主要研究方向为沙漠化过程及遥感监测。E-mail：feng_jianmin@yahoo.com.cn

更新日期/Last Update: 1900-01-01