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Technical Note: Evaluating a simple parameterization of radiative shortwave forcing from surface albedo change

Bright, Ryan M.; Kvalevåg, Maria Malene
Journal article, Peer reviewed
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acp-13-11169-2013.pdf (217.0Kb)
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http://hdl.handle.net/11250/2359726
Utgivelsesdato
2013
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Originalversjon
Atmospheric Chemistry And Physics 2013, 13(22):11169-11174   10.5194/acp-13-11169-2013
Sammendrag
Land-use activities affect Earth’s energy balance

not only via biogeochemical emissions, but also through perturbations

in surface albedo, the latter of which is often excluded

in impact assessment studies. In this short technical

note, we present and compare a simple model for estimating

shortwave radiative forcings at the top of Earth’s atmosphere

to a more sophisticated 8-stream radiative transfer

model based on a discrete ordinate method. Outcomes

from monthly albedo change simulations for ten globally distributed

regions and a single year revealed that the simple

model – based on a single exogenously supplied meteorological

variable – performed quite well, having a sample correlation

coefficient of 0.93 and a normalized root mean square

error of 7.2 %. Simple models like the one presented here can

offer an attractive and efficient means for non-experts to begin

including albedo change considerations in climate impact

assessment studies enveloping land use activities
Utgiver
European Geosciences Union
Tidsskrift
Atmospheric Chemistry And Physics

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