干旱环境监测
榦旱環境鑑測
간한배경감측
ARID ENVIRONMENTAL MONITORING
2013年
4期
163-168
,共6页
土壤湿度%遥感监测%方法研究
土壤濕度%遙感鑑測%方法研究
토양습도%요감감측%방법연구
Soil moisture%remote sensing monitoring%method study
遥感技术具有大面积同步观测,时效性、经济性强等特点,为大面积动态监测土壤湿度提供了可能。本文对近年来国内外遥感监测土壤湿度的理论、方法的发展和应用进行了回顾,重点介绍了目前已经比较成熟和广泛应用的基于可见光与热红外波段的植被指数方法以及在干旱、半干旱地区的应用,通过对比分析了各种遥感监测方法的优缺点,指出了土壤湿度遥感监测方法存在的不足,展望了土壤湿度遥感监测方法的发展趋势。
遙感技術具有大麵積同步觀測,時效性、經濟性彊等特點,為大麵積動態鑑測土壤濕度提供瞭可能。本文對近年來國內外遙感鑑測土壤濕度的理論、方法的髮展和應用進行瞭迴顧,重點介紹瞭目前已經比較成熟和廣汎應用的基于可見光與熱紅外波段的植被指數方法以及在榦旱、半榦旱地區的應用,通過對比分析瞭各種遙感鑑測方法的優缺點,指齣瞭土壤濕度遙感鑑測方法存在的不足,展望瞭土壤濕度遙感鑑測方法的髮展趨勢。
요감기술구유대면적동보관측,시효성、경제성강등특점,위대면적동태감측토양습도제공료가능。본문대근년래국내외요감감측토양습도적이론、방법적발전화응용진행료회고,중점개소료목전이경비교성숙화엄범응용적기우가견광여열홍외파단적식피지수방법이급재간한、반간한지구적응용,통과대비분석료각충요감감측방법적우결점,지출료토양습도요감감측방법존재적불족,전망료토양습도요감감측방법적발전추세。
With the features of observing large area synchronously,temporally,and economically,remote sensing technology provides the possibility for dynamic monitoring soil moisture of large area.The development and application of the remote -sensing technology in monitoring soil moisture was reviewed,and the application of vegetation index method in arid regions which based on visible and thermal infrared bands was introduced in this paper.It also analyzed advantages and disadvantages of various remote -sensing methods in monitoring soil moisture,pointed out shortages of the remote -sensing methods,prospects of the technology of using remote - sensing to monitor soil moisture monitoring.