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Joshi, Manoj 
ORCID: https://orcid.org/0000-0002-2948-2811 and Gregory, Joanthan
(2008)
Dependence of the land-sea contrast in surface climate response on the nature of the forcing.
Geophysical Research Letters, 35 (24).
ISSN 0094-8276
Abstract
The land-sea contrast in surface warming is a phenomenon of both transient and equilibrium climate change. Its magnitude, while model-dependent, is invariant with forcing amplitude. Here we demonstrate that the land-sea contrast is dependent on whether the climate forcing is mainly caused by changes to CO2 or other mechanisms such as solar or volcanic forcing: this is mainly because a CO2 change affects stomatal conductance in plants, and therefore changes the amount of evaporation from regions with vegetation present. In addition, solar or volcanic radiative forcing has a different latitudinal distribution to CO2 forcing: when this effect is removed by normalising the land temperature response by the average ocean temperature response at the same latitude, spatial differences between the CO2 forced run and the solar forced run become more apparent. Our results affect prediction of the land/sea contrast, as well as the interpretation of proxy climate data.
| Item Type: | Article |
|---|---|
| Faculty \ School: | Faculty of Science > School of Environmental Sciences University of East Anglia Research Groups/Centres > Theme - ClimateUEA |
| UEA Research Groups: | University of East Anglia Schools > Faculty of Science > Tyndall Centre for Climate Change Research Faculty of Science > Research Centres > Tyndall Centre for Climate Change Research Faculty of Science > Research Groups > Climatic Research Unit Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences |
| Depositing User: | Rhiannon Harvey |
| Date Deposited: | 01 Feb 2012 12:01 |
| Last Modified: | 21 Dec 2023 01:33 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/36707 |
| DOI: | 10.1029/2008GL036234 |
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