Articles | Volume 18, issue 4
Biogeosciences, 18, 1499–1510, 2021
https://doi.org/10.5194/bg-18-1499-2021
Biogeosciences, 18, 1499–1510, 2021
https://doi.org/10.5194/bg-18-1499-2021

Research article 03 Mar 2021

Research article | 03 Mar 2021

What determines the sign of the evapotranspiration response to afforestation in European summer?

Marcus Breil et al.

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Short summary
The physical processes behind varying evapotranspiration rates in forests and grasslands in Europe are investigated in a regional model study with idealized afforestation scenarios. The results show that the evapotranspiration response to afforestation depends on the interplay of two counteracting factors: the transpiration facilitating characteristics of a forest and the reduced saturation deficits of forests caused by an increased surface roughness and associated lower surface temperatures.
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