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http://dx.doi.org/10.17663/JWR.2011.13.3.471

An intercomparison of two satellite data-based evapotranspiration approaches  

Sur, Chan-Yang (한양대학교 건설환경공학과)
Choi, Min-Ha (한양대학교 건설환경공학과)
Publication Information
Journal of Wetlands Research / v.13, no.3, 2011 , pp. 471-479 More about this Journal
Abstract
Evapotranspiration (ET) including evaporation from a land surface and transpiration from photosynthesis of vegetation is a hydrological factor that has an important role in water cycle. However, there is a limitation to understand it due to heterogeneity of land cover and vegetation. In this study, Mapping EvapoTRanspiration with Internalized Calibration (METRIC) model, one of the energy balance models, and MODerate resolution Imaging Spectroradiometer (MODIS) satellite based well-known Penman-Monteith algorithm were compared. Two ET maps were categorized and compared by land cover classification. The results represented overall applicability of the two models with the highest correlation coefficients in needleleaf and broadleaf forests. This study will be useful to estimate remote sensing based ET maps with high resolution and to figure out spatio-temporal variability and seasonal changes.
Keywords
Evapotranspiration; METRIC; MODIS; Remote sensing; Vegetation;
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Times Cited By KSCI : 1  (Citation Analysis)
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