Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 22, issue 5
Articles | Volume 22, issue 5
https://doi.org/10.5194/hess-22-2775-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-22-2775-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 5
Research article
 | 
08 May 2018
Research article |  | 08 May 2018

Comparison of MODIS and SWAT evapotranspiration over a complex terrain at different spatial scales

Olanrewaju O. Abiodun, Huade Guan, Vincent E. A. Post, and Okke Batelaan

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Short summary
In recent decades, evapotranspiration estimation has been improved by remote sensing methods as well as by hydrological models. However, comparing these methods shows differences of up to 31 % at a spatial resolution of 1 km2. Land cover differences and catchment averaged climate data in the hydrological model were identified as the principal causes of the differences in results. The implication is that water management will have to deal with large uncertainty in estimated water balances.
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