Late Pliocene lakes and soils: a global data set for the analysis of climate feedbacks in a warmer world

Pound, Matthew, Tindall, Julia, Pickering, Steven, Haywood, Alan, Dowsett, Harry and Salzmann, Ulrich (2014) Late Pliocene lakes and soils: a global data set for the analysis of climate feedbacks in a warmer world. Climate of the Past, 10 (1). pp. 167-180. ISSN 1814-9332

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The global distribution of late Pliocene soils and lakes has been reconstructed using a synthesis of geological data. These reconstructions are then used as boundary conditions for the Hadley Centre General Circulation Model (HadCM3) and the BIOME4 mechanistic vegetation model. By combining our novel soil and lake reconstructions with a fully coupled climate model we are able to explore the feedbacks of soils and lakes on the climate of the late Pliocene. Our experiments reveal regionally confined changes of local climate and vegetation in response to the new boundary conditions. The addition of late Pliocene soils has the largest influence on surface air temperatures, with notable increases in Australia, the southern part of northern Africa and in Asia. The inclusion of late Pliocene lakes increases precipitation in central Africa and at the locations of lakes in the Northern Hemisphere. When combined, the feedbacks on climate from late Pliocene lakes and soils improve the data to model fit in western North America and the southern part of northern Africa.

Item Type: Article
Subjects: F600 Geology
Department: Faculties > Engineering and Environment > Geography and Environmental Sciences
Depositing User: Professor Ulrich Salzmann
Date Deposited: 30 Jan 2014 10:06
Last Modified: 17 Dec 2023 14:52

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