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Biophysical climate impacts of recent changes in global forest cover

Alkama, Ramdane ; Cescatti, Alessandro

Science (American Association for the Advancement of Science), 2016-02, Vol.351 (6273), p.600-604 [Periódico revisado por pares]

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Título:
Biophysical climate impacts of recent changes in global forest cover
Autor: Alkama, Ramdane ; Cescatti, Alessandro
Assuntos: Biophysics ; Climate Change ; Conservation of Natural Resources ; Deforestation ; Energy Transfer ; Environmental impact ; Forests ; Land use ; Seasons
É parte de: Science (American Association for the Advancement of Science), 2016-02, Vol.351 (6273), p.600-604
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Changes in forest cover affect the local climate by modulating the land-atmosphere fluxes of energy and water. The magnitude of this biophysical effect is still debated in the scientific community and currently ignored in climate treaties. Here we present an observation-driven assessment of the climate impacts of recent forest losses and gains, based on Earth observations of global forest cover and land surface temperatures. Our results show that forest losses amplify the diurnal temperature variation and increase the mean and maximum air temperature, with the largest signal in arid zones, followed by temperate, tropical, and boreal zones. In the decade 2003–2012, variations of forest cover generated a mean biophysical warming on land corresponding to about 18% of the global biogeochemical signal due to CO₂ emission from land-use change.
Editor: United States: American Association for the Advancement of Science
Idioma: Inglês

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