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  Vegetation feedback on Sahelian rainfall variability in a coupled climate land-vegetation model

Schnitzler, K.-G., Knorr, W., Latif, M., Bader, J., & Zeng, N. (2001). Vegetation feedback on Sahelian rainfall variability in a coupled climate land-vegetation model. Report / Max-Planck-Institut für Meteorologie, 329.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0003-2EAF-6 Version Permalink: https://hdl.handle.net/21.11116/0000-000A-974A-9
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329-Report-txt.pdf (Publisher version), 702KB
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 Creators:
Schnitzler, Karl-Georg1, Author           
Knorr, Wolfgang1, Author           
Latif, Mojib2, Author           
Bader, Juergen3, Author           
Zeng, Ning, Author
Affiliations:
1Climate Processes, MPI for Meteorology, Max Planck Society, ou_913551              
2The Ocean in the Earth System, MPI for Meteorology, Max Planck Society, ou_913552              
3Climate Dynamics, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society, ou_913568              

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 Abstract: Rainfall variability in the Sahel region shows a dramatic drying trend from the

1950s to the 1980s. Yet, most atmospheric general circulation models (AGCM)

forced by observed sea surface temperatures (SSTs) were not able to reproduce

the amplitude of this multi-decadal variation. Here, we investigate the sensiti-

vity of Sahelian rainfall to vegetation-atmosphere interaction. We coupled the

simple dynamic vegetation model (SVege) and the ECHAM4-AGCM and for-

ced the system by observed SSTs. We show that vegetation-climate feedbacks

amplify the decadal rainfall variability and that the coupled system simulates

realistically the observed multi-decadal variations in Sahelian precipitation.

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Language(s): eng - English
 Dates: 2001
 Publication Status: Issued
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Title: Report / Max-Planck-Institut für Meteorologie
  Other : MPI Report
Source Genre: Series
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Publ. Info: Hamburg : Max-Planck-Institut für Meteorologie
Pages: - Volume / Issue: 329 Sequence Number: - Start / End Page: - Identifier: ISSN: 0937-1060
CoNE: https://pure.mpg.de/cone/journals/resource/0937-1060