Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 27, issue 13
Articles | Volume 27, issue 13
https://doi.org/10.5194/hess-27-2463-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-27-2463-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 27, issue 13
Research article
 | 
06 Jul 2023
Research article |  | 06 Jul 2023

The precision of satellite-based net irrigation quantification in the Indus and Ganges basins

Søren J. Kragh, Rasmus Fensholt, Simon Stisen, and Julian Koch

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Latest update: 30 Jun 2025
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Short summary
This study investigates the precision of irrigation estimates from a global hotspot of unsustainable irrigation practice, the Indus and Ganges basins. We show that irrigation water use can be estimated with high precision by comparing satellite and rainfed hydrological model estimates of evapotranspiration. We believe that our work can support sustainable water resource management, as it addresses the uncertainty of a key component of the water balance that remains challenging to quantify.
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