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dc.contributor.author
Schwaab, Jonas
dc.contributor.author
Bavay, Mathias
dc.contributor.author
Davin, Edouard Léopold
dc.contributor.author
Hagedorn, Frank
dc.contributor.author
Hüsler, Fabia
dc.contributor.author
Lehning, Michael
dc.contributor.author
Schneebeli, Martin
dc.contributor.author
Thürig, Esther
dc.contributor.author
Bebi, Peter
dc.date.accessioned
2018-09-26T10:27:56Z
dc.date.available
2017-06-11T16:08:33Z
dc.date.available
2018-09-26T10:27:56Z
dc.date.issued
2015
dc.identifier.other
10.5194/bg-12-467-2015
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/98123
dc.identifier.doi
10.3929/ethz-b-000098123
dc.description.abstract
In this study, we assess the climate mitigation potential from afforestation in a mountainous snow-rich region (Switzerland) with strongly varying environmental conditions. Using radiative forcing calculations, we quantify both the carbon sequestration potential and the effect of albedo change at high resolution. We calculate the albedo radiative forcing based on remotely sensed data sets of albedo, global radiation and snow cover. Carbon sequestration is estimated from changes in carbon stocks based on national inventories. We first estimate the spatial pattern of radiative forcing (RF) across Switzerland assuming homogeneous transitions from open land to forest. This highlights where forest expansion still exhibits climatic benefits when including the radiative forcing of albedo change. Second, given that forest expansion is currently the dominant land-use change process in the Swiss Alps, we calculate the radiative forcing that occurred between 1985 and 1997. Our results show that the net RF of forest expansion ranges from −24 W m−2 at low elevations of the northern Prealps to 2 W m−2 at high elevations of the Central Alps. The albedo RF increases with increasing altitude, which offsets the CO2 RF at high elevations with long snow-covered periods, high global radiation and low carbon sequestration. Albedo RF is particularly relevant during transitions from open land to open forest but not in later stages of forest development. Between 1985 and 1997, when overall forest expansion in Switzerland was approximately 4%, the albedo RF offset the CO2 RF by an average of 40%. We conclude that the albedo RF should be considered at an appropriately high resolution when estimating the climatic effect of forestation in temperate mountainous regions.
en_US
dc.language.iso
en
en_US
dc.publisher
Copernicus
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/3.0/
dc.title
Carbon storage versus albedo change: Radiative forcing of forest expansion in temperate mountainous regions of Switzerland
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 3.0 Unported
dc.date.published
2015-01-27
ethz.journal.title
Biogeosciences
ethz.journal.volume
12
en_US
ethz.journal.issue
2
en_US
ethz.pages.start
467
en_US
ethz.pages.end
487
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.identifier.nebis
006289717
ethz.publication.place
Göttingen
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02717 - Institut für Atmosphäre und Klima / Inst. Atmospheric and Climate Science::03778 - Seneviratne, Sonia / Seneviratne, Sonia
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02717 - Institut für Atmosphäre und Klima / Inst. Atmospheric and Climate Science::03778 - Seneviratne, Sonia / Seneviratne, Sonia
ethz.date.deposited
2017-06-11T16:08:52Z
ethz.source
ECIT
ethz.identifier.importid
imp593652ede38be22749
ethz.ecitpid
pub:153425
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-07-15T06:11:43Z
ethz.rosetta.lastUpdated
2019-01-02T14:14:37Z
ethz.rosetta.versionExported
true
ethz.COinS
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