Estimation of Handan City surface Evapotranspiration and related factors analysis
  
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KeyWord:Evapotranspiration, Remote sensing, Surface energy balance equation, Correlation analysis
        
AuthorInstitution
Jiawei Hao School of Earth Science and Engineering, Hebei University of Engineering, Hebei
Anbing Zhang Collaborative Innovation Center of the Comprehensive Development and Utilization of Coal Resource, Hebei
Hefeng Wang Collaborative Innovation Center of the Comprehensive Development and Utilization of Coal Resource, Hebei
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Abstract:
      In this paper, the surface Evapotranspiration(ET) of Handan city is estimated, which is based on the remote sensing data,meteorological data and the surface energy balance equation. The correlation between ET and surface emissivity, surface albedo, land surface temperature and NDVI are analyzed. The results showed that ET was negatively related to surface albedo and surface temperature,while it was positively related to surface emissivity and NDVI. The correlation between ET and surface emissivity was the lowest, 0.07, and the correlation between ET and NDVI was the highest, 0.71. What’s more, ET and NDVI have the significant nonlinear correlation.
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