A coupled dual source GCM SVAT

A coupled dual source GCM SVAT

The single source SVAT scheme (MOSES) used in the UK Meteorological Office GCM is modified to include two sources. The performances of the original and the new scheme are compared with minimal calibration against data from sparse vegetation taken from the HAPEX-Sahel experiment. Both schemes perform...

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Bibliographic Details
Main Authors: E. M. Blyth, R. J. Harding, R. Essery
Format: Article
Language:English
Published: Copernicus Publications 1999-01-01
Series:Hydrology and Earth System Sciences
Online Access:http://www.hydrol-earth-syst-sci.net/3/71/1999/hess-3-71-1999.pdf
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spelling doaj-f3469368eb64478aae5531dbfac1682a2020-11-24T23:30:37ZengCopernicus PublicationsHydrology and Earth System Sciences1027-56061607-79381999-01-01317184A coupled dual source GCM SVATE. M. BlythR. J. HardingR. EsseryThe single source SVAT scheme (MOSES) used in the UK Meteorological Office GCM is modified to include two sources. The performances of the original and the new scheme are compared with minimal calibration against data from sparse vegetation taken from the HAPEX-Sahel experiment. Both schemes perform well; in particular the dual source SVAT successfully simulates the different temperatures of the sparse vegetation and soil. It is demonstrated that the two sources need to be coupled, rather than acting independently, for an accurate result. Some components of the single and dual source schemes are driven offline by measured surface temperature. In this case a dual source SVAT scheme performs significantly better than a single source scheme.http://www.hydrol-earth-syst-sci.net/3/71/1999/hess-3-71-1999.pdf
collection DOAJ
language English
format Article
sources DOAJ
author E. M. Blyth
R. J. Harding
R. Essery
spellingShingle E. M. Blyth
R. J. Harding
R. Essery
A coupled dual source GCM SVAT
Hydrology and Earth System Sciences
author_facet E. M. Blyth
R. J. Harding
R. Essery
author_sort E. M. Blyth
title A coupled dual source GCM SVAT
title_short A coupled dual source GCM SVAT
title_full A coupled dual source GCM SVAT
title_fullStr A coupled dual source GCM SVAT
title_full_unstemmed A coupled dual source GCM SVAT
title_sort coupled dual source gcm svat
publisher Copernicus Publications
series Hydrology and Earth System Sciences
issn 1027-5606
1607-7938
publishDate 1999-01-01
description The single source SVAT scheme (MOSES) used in the UK Meteorological Office GCM is modified to include two sources. The performances of the original and the new scheme are compared with minimal calibration against data from sparse vegetation taken from the HAPEX-Sahel experiment. Both schemes perform well; in particular the dual source SVAT successfully simulates the different temperatures of the sparse vegetation and soil. It is demonstrated that the two sources need to be coupled, rather than acting independently, for an accurate result. Some components of the single and dual source schemes are driven offline by measured surface temperature. In this case a dual source SVAT scheme performs significantly better than a single source scheme.
url http://www.hydrol-earth-syst-sci.net/3/71/1999/hess-3-71-1999.pdf
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