FISHER, Joshua B.; MELTON, Forrest; MIDDLETON, Elizabeth; HAIN, Christopher; ANDERSON, Martha; ALLEN, Richard; MCCABE, Matthew F.; HOOK, Simon; BALDOCCHI, Dennis; TOWNSEND, Philip A.; KILIC, Ayse; TU, Kevin; MIRALLES, Diego D.; PERRET, Johan; LAGOUARDE, Jean-Pierre; WALISER, Duane; PURDY, Adam J.; FRENCH, Andrew; SCHIMEL, David; FAMIGLIETTI, James S.; STEPHENS, Graeme; WOOD, Eric F.

doi:10.1002/2016WR020175

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FISHER, Joshua B.
Jet Propulsion Laboratory [JPL]

MELTON, Forrest
NASA Ames Research Center Cooperative for Research in Earth Science in Technology [ARC-CREST]

MIDDLETON, Elizabeth
NASA Goddard Space Flight Center [GSFC]

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Water Resources Research. 2017, vol. 53, n° 4, p. 2618-2626

American Geophysical Union

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The fate of the terrestrial biosphere is highly uncertain given recent and projected changes in climate. This is especially acute for impacts associated with changes in drought frequency and intensity on the distribution and timing of water availability. The development of effective adaptation strategies for these emerging threats to food and water security are compromised by limitations in our understanding of how natural and managed ecosystems are responding to changing hydrological and climatological regimes. This information gap is exacerbated by insufficient monitoring capabilities from local to global scales. Here, we describe how evapotranspiration (ET) represents the key variable in linking ecosystem functioning, carbon and climate feedbacks, agricultural management, and water resources, and highlight both the outstanding science and applications questions and the actions, especially from a space-based perspective, necessary to advance them.< Réduire

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sécheresse

écosystème

changement climatique

disponibilité en eau

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biosphere

ecosystem

global change

drought

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The future of evapotranspiration: Global requirements for ecosystem functioning, carbon and climate feedbacks, agricultural management, and water resources

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