The global potential of forest restoration for drought mitigation

Forest restoration is increasingly applied as a climate change mitigation measure. Apart from sequestering carbon, the large-scale addition of trees on Earth may enhance global precipitation levels. Here we estimate the global precipitation effects of the global forest potential by estimating its ef...

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Main Authors: Obbe A Tuinenburg, Joyce H C Bosmans, Arie Staal
Format: Article
Language:English
Published: IOP Publishing 2022-01-01
Series:Environmental Research Letters
Subjects:
Online Access:https://doi.org/10.1088/1748-9326/ac55b8
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author Obbe A Tuinenburg
Joyce H C Bosmans
Arie Staal
author_facet Obbe A Tuinenburg
Joyce H C Bosmans
Arie Staal
author_sort Obbe A Tuinenburg
collection DOAJ
description Forest restoration is increasingly applied as a climate change mitigation measure. Apart from sequestering carbon, the large-scale addition of trees on Earth may enhance global precipitation levels. Here we estimate the global precipitation effects of the global forest potential by estimating its effects on evaporation and simulating the downwind precipitation effect of the moisture added to the atmosphere. We find that maximum forestation would on average increase evaporation by 0.6 mm d ^−1 and that two-thirds of that additional evaporation would rain out over land, especially during the growing season. Next, by excluding natural grasslands and prioritizing precipitation enhancement above areas that are projected to become drier due to global climate change, we establish where on Earth forest restoration would have the greatest precipitation benefits. Our results thus provide a first step towards forest restoration programs as double climate-change mitigation efforts.
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spelling doaj.art-127381ec1ba74bc1a5e72077269c39992023-08-09T15:25:49ZengIOP PublishingEnvironmental Research Letters1748-93262022-01-0117303404510.1088/1748-9326/ac55b8The global potential of forest restoration for drought mitigationObbe A Tuinenburg0https://orcid.org/0000-0001-6895-0094Joyce H C Bosmans1Arie Staal2https://orcid.org/0000-0001-5409-1436Department of Environmental Sciences, Copernicus Institute of Sustainable Development, Utrecht University , Princetonlaan 8a, 3584 CB Utrecht, The NetherlandsDepartment of Environmental Science, Radboud University Nijmegen , Heyendaalseweg 135, Nijmegen, 6525 AJ, The NetherlandsDepartment of Environmental Sciences, Copernicus Institute of Sustainable Development, Utrecht University , Princetonlaan 8a, 3584 CB Utrecht, The NetherlandsForest restoration is increasingly applied as a climate change mitigation measure. Apart from sequestering carbon, the large-scale addition of trees on Earth may enhance global precipitation levels. Here we estimate the global precipitation effects of the global forest potential by estimating its effects on evaporation and simulating the downwind precipitation effect of the moisture added to the atmosphere. We find that maximum forestation would on average increase evaporation by 0.6 mm d ^−1 and that two-thirds of that additional evaporation would rain out over land, especially during the growing season. Next, by excluding natural grasslands and prioritizing precipitation enhancement above areas that are projected to become drier due to global climate change, we establish where on Earth forest restoration would have the greatest precipitation benefits. Our results thus provide a first step towards forest restoration programs as double climate-change mitigation efforts.https://doi.org/10.1088/1748-9326/ac55b8regreeningreforestationclimate changemoisture recycling
spellingShingle Obbe A Tuinenburg
Joyce H C Bosmans
Arie Staal
The global potential of forest restoration for drought mitigation
Environmental Research Letters
regreening
reforestation
climate change
moisture recycling
title The global potential of forest restoration for drought mitigation
title_full The global potential of forest restoration for drought mitigation
title_fullStr The global potential of forest restoration for drought mitigation
title_full_unstemmed The global potential of forest restoration for drought mitigation
title_short The global potential of forest restoration for drought mitigation
title_sort global potential of forest restoration for drought mitigation
topic regreening
reforestation
climate change
moisture recycling
url https://doi.org/10.1088/1748-9326/ac55b8
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