theresultswereusedtocalculateaNIR/SWIRratioandanormalizedNIR/SWIRindex.Index–EWTrelationshipsweremodeledandinvertedforEWTderivation.LandsatTMandASTERimageswereabletoproduceEWTestimateswithaverageerrorsof±17.3%and19.4%,respectively.TMband5andASTERband4containedthemostvaluableinformationamongtheSWIRbandsforEWTestimation....