基于TM的渭河宝鸡段水域面积时序变化分析

Analysis on TM's based on Timing Change of Water Area of the Weihe River

运用遥感解译与分类等技术手段,利用多期TM影像数据,提取渭河宝鸡段的水域范围,运用统计和G IS手段综合分析宝鸡市近年来的水域面积在空间分布和数量上的时序变化情况。通过总结1988年到2007年近20年间宝鸡市水域面积的变化情况,分析了引起宝鸡市水环境发生改变的因素以及宝鸡市水治理工程的实际效果。

Interpretation and classification using remote sensing techniques,the use of multi-phase TM image data,extract the water areas of Weihe River.The article is the use of comprehensive analysis of statistical and GIS tools in recent years the water area of Baoji city in the spatial distribution and number of timing Changes.By summing up changes in water area of Baoji city for nearly 20 years from 1988 to 2007,and analyzes the water environment changes caused in Baoji City and the actual results of the water treatment project in Baoji City.