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Titel |
MUREX: a land-surface field experiment to study the annual cycle of the energy and water budgets |
VerfasserIn |
J.-C. Calvet, P. Bessemoulin, J. Noilhan, C. Berne, I. Braud, D. Courault, N. Fritz, E. González-Sosa, J.-P. Goutorbe, R. Haverkamp, G. Jaubert, L. Kergoat, G. Lachaud, J.-P. Laurent, P. Mordelet, A. Olioso, P. Péris, J.-L. Roujean, J.-L. Thony, C. Tosca, M. Vauclin, D. Vignes |
Medientyp |
Artikel
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Sprache |
Englisch
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ISSN |
0992-7689
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Digitales Dokument |
URL |
Erschienen |
In: Annales Geophysicae ; 17, no. 6 ; Nr. 17, no. 6, S.838-854 |
Datensatznummer |
250013781
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Publikation (Nr.) |
copernicus.org/angeo-17-838-1999.pdf |
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Zusammenfassung |
The MUREX (monitoring the usable soil
reservoir experimentally) experiment was designed to provide continuous time
series of field data over a long period, in order to improve and validate the
Soil-vegetation-Atmosphere Transfer (SVAT) parameterisations employed in
meteorological models. Intensive measurements were performed for more than three
years over fallow farmland in southwestern France. To capture the main processes
controlling land-atmosphere exchanges, the local climate was fully
characterised, and surface water and energy fluxes, vegetation biomass, soil
moisture profiles, surface soil moisture and surface and soil temperature were
monitored. Additional physiological measurements were carried out during
selected periods to describe the biological control of the fluxes. The MUREX
data of 1995, 1996, and 1997 are presented. Four SVAT models are applied to the
annual cycle of 1995. In general, they succeed in simulating the main features
of the fallow functioning, although some shortcomings are revealed.
Key words. Hydrology (evapotranspiration; soil
moisture; water-energy interactions). |
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