金沙江流域植被覆盖变化分析

Wang Liuhua
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引用次数: 0

摘要

基于遥感(RS)和地质信息系统(GIS)技术,采用线性回归分析、Mann-Kendall趋势分析和多元回归分析,对大尺度、长时间序列的金沙江流域进行了分析。获得了21 a(1981 ~ 2001年)植被分布及其变化趋势。分析结果表明,金沙江流域植被覆盖度呈上升趋势。每年8月植被覆盖面积最大,1989年启动的“长治工程”使流域植被得到明显恢复。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis on vegetative cover change in Jinsha River basin
Based on Remote Sensing (RS) and Geological Information System (GIS) technology, the paper analyses of Jinsha River basin with large scale and long time series, by the linear regression analysis, Mann-Kendall tendency analysis and multiple regression analysis. Data of Vegetative distribution and its changing tendency during 21 years (from 1981 to 2001) are acquired. The analysis result shows that vegetative cover in Jinsha River basin is in the rise. The cover reaches maximum in August every year, and meanwhile, plants in the basin has been obviously recovered by “Changzhi Project” initiated in 1989.
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