Articles | Volume 22, issue 10
Nat. Hazards Earth Syst. Sci., 22, 3461–3485, 2022
https://doi.org/10.5194/nhess-22-3461-2022
Nat. Hazards Earth Syst. Sci., 22, 3461–3485, 2022
https://doi.org/10.5194/nhess-22-3461-2022
Research article
21 Oct 2022
Research article | 21 Oct 2022

Interactions between precipitation, evapotranspiration and soil-moisture-based indices to characterize drought with high-resolution remote sensing and land-surface model data

Jaime Gaona et al.

Data sets

MOD16A2 v006 USGS https://lpdaac.usgs.gov/products/mod16a2v006/

SAFRAN analysis over Spain P. Quintana Segui https://doi.org/10.14768/MISTRALS-HYMEX.1388

SURFEX CNRM https://www.umr-cnrm.fr/surfex/spip.php?rubrique

MODIS global terrestrial evapotranspiration (ET) product (MOD16A2/A3 and year-end gap-filled MOD16A2GF/A3GF) NASA Earth Observing System MODIS Land Algorithm (for collection 6) S. W. Running, Q. Mu, M. Zhao, and A. Moreno https://doi.org/10.5067/MODIS/MOD16A2.061

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Short summary
Droughts represent a particularly complex natural hazard and require explorations of their multiple causes. Part of the complexity has roots in the interaction between the continuous changes in and deviation from normal conditions of the atmosphere and the land surface. The exchange between the atmospheric and surface conditions defines feedback towards dry or wet conditions. In semi-arid environments, energy seems to exceed water in its impact over the evolution of conditions, favoring drought.
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