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Technical Note: Evaluating a Simple Parameterization of Radiative Shortwave Forcing from Surface Albedo Change : Volume 13, Issue 7 (16/07/2013)

By Bright, R. M.

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Book Id: WPLBN0003993303
Format Type: PDF Article :
File Size: Pages 17
Reproduction Date: 2015

Title: Technical Note: Evaluating a Simple Parameterization of Radiative Shortwave Forcing from Surface Albedo Change : Volume 13, Issue 7 (16/07/2013)  
Author: Bright, R. M.
Volume: Vol. 13, Issue 7
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Bright, R. M., & Kvalevåg, M. M. (2013). Technical Note: Evaluating a Simple Parameterization of Radiative Shortwave Forcing from Surface Albedo Change : Volume 13, Issue 7 (16/07/2013). Retrieved from

Description: Department of Energy and Process Engineering, Norwegian University of Science and Technology, Trondheim, Norway. 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.

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

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