Articles | Volume 16, issue 10
https://doi.org/10.5194/essd-16-4709-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-16-4709-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Data description article
| 
21 Oct 2024
Data description article |
| 21 Oct 2024
| 21 Oct 2024
A Copernicus-based evapotranspiration dataset at 100 m spatial resolution over four Mediterranean basins
Paulina Bartkowiak
CORRESPONDING AUTHOR
Institute for Earth Observation, Eurac Research, Bolzano, 39100, Italy
Bartolomeo Ventura
Institute for Earth Observation, Eurac Research, Bolzano, 39100, Italy
Alexander Jacob
Institute for Earth Observation, Eurac Research, Bolzano, 39100, Italy
Mariapina Castelli
Institute for Earth Observation, Eurac Research, Bolzano, 39100, Italy
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EGUsphere, https://doi.org/10.22541/au.176055865.50800695/v2, https://doi.org/10.22541/au.176055865.50800695/v2, 2026
This preprint is open for discussion and under review for Hydrology and Earth System Sciences (HESS).
Short summary
Short summary
Snow droughts are periods with below-average snow accumulation and are becoming more frequent in a warming climate, yet their ecosystem and societal impacts remain poorly known. Using 13 years of data from 38 Italian catchments, we show that snow droughts reduced snow duration by ~50 %, doubled winter melt-out events, and cut summer runoff by ~50 %. Photosynthesis increased by up to 10 % due to earlier meltout. These events also caused widespread water-supply reductions, especially in foothills.
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Short summary
This paper presents the Two-Source Energy Balance evapotranspiration (ET) product driven by Copernicus Sentinel-2 and Sentinel-3 imagery together with ERA5 climate reanalysis data. Daily ET maps are available at 100 m spatial resolution for the period 2017–2021 across four Mediterranean basins: Ebro (Spain), Hérault (France), Medjerda (Tunisia), and Po (Italy). The product is highly beneficial for supporting vegetation monitoring and sustainable water management at the river basin scale.
This paper presents the Two-Source Energy Balance evapotranspiration (ET) product driven by...
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