基于遥感数据的云南怒江流域水土流失监测与分析  

Monitoring and Analysis of Soil and Water Loss for Nujiang Valley of Yunnan Province Based on Remote Sensing Data

作　　者：王艳芳[1] 张永清[1] 宋红梅[1] 

机构地区：[1]山西师范大学城市与环境科学学院,山西临汾041004

出　　处：《现代农业科技》2009年第21期215-216,共2页Modern Agricultural Science and Technology

基　　金："十一五"国家科技支撑计划重点项目(2008BADA4B01)

摘　　要：使用多源遥感数据,并结合先进的遥感图像处理技术,通过人机交互判读的分析方法,对云南怒江流域进行水土流失遥感调查及动态监测。结果表明,云南怒江流域水土流失面积占总面积的55.75%,且以轻度、中度和强度为主,极强度和剧烈很少,不到总面积的5%。从20世纪80年代至20世纪初,云南怒江流域水土流失强度减轻面积大于加重面积,流域水土流失状况出现好转。On the basis of multi-remote sensing data and interpretation techniques, investigation and supervisory of soil and water loss in Nujiang valley of Yunnan province were carried out using the analysis method of man-computer interactive.The result showed that the area of soil and water loss occupied 55.75%, and it was mainly in the slight, moderate and strong degree,while scarcely in the very strong degree,with an area percentage of less than 5%. The decreased area of soil and water loss was larger than the increased area from 1980s to early 20th, and the soil and waterloss was alleviated.

关 键 词：遥感数据 水土流失 动态监测 云南怒江流域 

分 类 号：P962[天文地球—自然地理学] TP79[自动化与计算机技术—检测技术与自动化装置]