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Temporal upscaling of remote sensing instantaneous evapotranspiration using an improved constant evaporative fraction method

机译:使用改进的恒定蒸发分数法的遥感瞬时蒸散量的时空放大

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Evapotranspiration (ET) is one of the most significant components in the water and heat transfer between land and atmosphere. This paper develops an improved constant evaporative fraction (EF) method through a theoretical derivation to improve the upscaling of remote sensing instantaneous latent heat flux (LE) to daily scale. Preliminary results show that our improved constant EF upscaling method can significantly reduce the underestimation of the daily LE upscaled using the conventional constant EF upscaling method. More validation work will be conducted to test the robustness of our improved EF method for the upscaling of remote sensing instantaneous LE estimates to daily scale.
机译:蒸散(ET)是陆地与大气之间水和热传递的最重要组成部分之一。本文通过理论推导开发了一种改进的恒定蒸发分数(EF)方法,以将遥感瞬时潜热通量(LE)的比例提升至日尺度。初步结果表明,我们改进的恒定EF放大方法可以显着降低使用常规恒定EF放大方法对每日LE放大的低估。将进行更多的验证工作,以测试我们改进的EF方法的稳健性,以便将遥感瞬时LE估计值提升到每日规模。

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