Landsat ETM数据在黄土丘陵区对浅层地下水信息的提取  

Study of groundwater information extraction from loess hill drought area based on Landsat ETM data

作　　者：盖利亚[1] 李巨芬[1] 王宇[1] 

机构地区：[1]中国地质调查局水文地质环境地质调查中心,河北保定071051

出　　处：《测绘科学》2010年第5期217-219,192,共4页Science of Surveying and Mapping

基　　金：中国地质调查局地质调查项目"西北地方病严重区地下水勘查与供水安全示范"

摘　　要：本文利用热红外遥感技术在对影像进行几何校正、数据融合等预处理工作的基础上,进行主成分分析、最优化密度分割等处理,有效提取了研究区的浅层地下水信息,并结合资料分析和野外实地勘查,验证了结果的正确性,同时也为快速、宏观地寻找地下水资源提供了技术和方法参考。This paper introduced a method to extract the ground water information in loess hill drought area based on landsat ETM thermal infrared data.Based on the pre-processing for the data,such as geometric correction and data fusion,the principal component analysis and best density separation for images were disposed,and the information of groundwater was extracted effectively.With the data analysis and field investigation,the accuracy of the results was validated,which supplies the technique and method for searching the ground water resources fast and efficiently.

关 键 词：ETM热红外波段 浅层地下水 信息提取 

分 类 号：TP751[自动化与计算机技术—检测技术与自动化装置]