On the additivity of radiative forcing between land use change and greenhouse gases

Jones, Andrew D., Collins, William D. ORCID: https://orcid.org/0000-0002-4463-9848 and Torn, Margaret S. (2013) On the additivity of radiative forcing between land use change and greenhouse gases. Geophysical Research Letters, 40 (15). pp. 4036-4041. ISSN 0094-8276

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Abstract

In scientific and policy contexts, radiative forcing - an external change in Earth's mean radiative balance - has been suggested as a metric for evaluating the strength of climate perturbations resulting from different climate change drivers such as greenhouse gases and surface physical effects of land use change. However, the utility of this approach has been questioned given the spatially concentrated and sometimes nonradiative nature of land use climate disturbances. Here we show that when negative forcing from agricultural expansion is approximately balanced by a radiatively equivalent increase in atmospheric carbon dioxide, significant changes in temperature, precipitation, and the timing of climate change result. These idealized experiments demonstrate the nonadditivity of radiative forcing from land use change and greenhouse gases and point to the need for new climate change metrics or the development of climate policies and assessment protocols that do not rely on single dimensional metrics.

Item Type:	Article
Uncontrolled Keywords:	climate assessment,climate policy,land use change,radiative forcing,geophysics,general earth and planetary sciences,sdg 13 - climate action,sdg 15 - life on land ,/dk/atira/pure/subjectarea/asjc/1900/1908
Faculty \ School:	Faculty of Science > School of Environmental Sciences
Related URLs:	https://www.scopus.com/pages/publication...
Depositing User:	LivePure Connector
Date Deposited:	06 Jul 2026 14:40
Last Modified:	12 Jul 2026 23:03
URI:	https://ueaeprints.uea.ac.uk/id/eprint/103663
DOI:	10.1002/grl.50754

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