[1]魏兴萍.基于RS和GIS的重庆南川区水土流失变化研究[J].水土保持研究,2009,16(05):60-65.
　WEI Xing-ping.Soil Erosion Change Research at Nanchuan District in Chongqing Based on RS and GIS[J].Research of Soil and Water Conservation,2009,16(05):60-65.
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基于RS和GIS的重庆南川区水土流失变化研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 16 期数: 2009年05期 页码: 60-65 栏目: 出版日期: 2009-10-20
Title:
Soil Erosion Change Research at Nanchuan District in Chongqing Based on RS and GIS
作者:
魏兴萍1,2
1. 重庆师范大学, 地理科学学院, 重庆 400047;
2. 西南大学, 地理科学学院, 重庆 400715
Author(s):
WEI Xing-ping1,2
1. School of Geographic Science, Chongqing Normal University, Chongqing 400047, China;
2. School of Geographic Science, Southwest University, Chongqing 400715, China
关键词:
水土流失; 重庆南川区; GIS; RS
Keywords:
soil loss; nanchuan area in the Chongqing; GIS; RS
分类号:
S157;TP79
摘要:
水土流失是导致生态恶化和贫困的根源，在岩溶地区，水土流失对人类的负面影响更大。以重庆南川区为例，利用TM遥感图像，运用ERDAS遥感软件和GIS软件，得到了1988年和2000年水土流失强度图；运用地图代数原理，分析了这两个时期水土流失强度转移变化情况；并通过水土流失强度图和水土流失相关地理特征（岩性、坡度坡向、高程、土地利用等）叠加分析，得出水土流失在不同地理特征中的表现；通过室内人工降雨模拟，得出该地区水土流失量随降雨强度和坡度增加而增大的关系。本研究为水土流失治理提供了依据，对当地经济发展建设有着重要的意义。
Abstract:
The soil erosion leads to the ecology worsening and the origin of the impoverished.The soil erosion affects human in the karst area more than the other region.This article takes Nanchuan area in Chongqing as an example and obtains the soil erosion intensity chart in 1988 and in 2000 with the TM remote sensing image by the ERDAS remote sensing software and the GIS software.It analyzed these two time soil erosion intensity shift change situation using the map algebra principle; And through the soil erosion intensity chart and the soil erosion correlation geography characteristic (lithological character,slope,aspect,elevation,land utilization and so on) overlay analysis,it obtains the performance of the soil erosion in the different geography characteristics.It obtains the relation that the increase of the rain intensity and slope leads to the increase of loss of soil and water through the artificial rain simulation in the room.It provided a basis for governing the loss of soil and water,which important significance to local economic development.

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备注/Memo

收稿日期:2009-4-7;
基金项目:国家科技支撑计划（2006BAC01A16）;重庆市科委研究项目（2004-8258）;国家自然科学基金（40672165）;科技部攻关项目（2006BAC01A16）;重庆市科技项目院士专项（cstc，2005AB7006）
作者简介:魏兴萍(1975-)，女，四川广安人，在读博士，讲师，主要从事资源环境与地理信息系统研究。E-mail：xingpingwei@126.com

更新日期/Last Update: 1900-01-01