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Introduction of a realistic soil-vegetation component in a hydrological model: application to HAPEX-MOBILHY experiment


, : Introduction of a realistic soil-vegetation component in a hydrological model: application to HAPEX-MOBILHY experiment. Land surface evaporation: measurement and parameterization: 137-144

This study showed that the introduction of a vegetation component for the computation of surface runoff improved the simulation of soil water content, especially during summer months, when classical parameterizations give unrealistic results.


Accession: 002416396

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Related references

Pinty, J.P.erre; Mascart, P.; Bechtold, P.; Rosset, R., 1992: An application of the vegetation-atmosphere coupling concept to the HAPEX-MOBILHY experiment. The Hydrologic Atmospheric Pilot EXperiment-Modelisation du Bilan Hydrique (HAPEX-MOBILHY) experiment which investigated contrast of canopies (a coniferous forest and corn fields), offers a good example of vegetation-atmosphere coupling variabilit...

Ottle, C.; Vidal Madjar, D., 1994: Assimilation of soil moisture inferred from infrared remote sensing in a hydrological model over the HAPEX-MOBILHY region. Hydrological models are generally unable to simulate correctly water exchanges at the soil-atmosphere interface and the time evolution of surface soil humidity. This drawback often leads to poor simulation of water flows after periods of low flows...

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Habets, F.; Noilhan, J.; Golaz, C.; Goutorbe, J.P.; Lacarrere, P.; Leblois, E.; Ledoux, E.; Martin, E.; Ottle, C.; Vidal Madjar, D., 1999: The ISBA surface scheme in a macroscale hydrological model applied to the Hapex-Mobilhy area. Part I: Model and database. As a first step towards coupling atmospheric and hydrological models, this article describes the implementation of the Interface Soil Biosphere Atmosphere (ISBA) surface scheme within a macroscale hydrological model at the regional scale. The intr...

Ben Mehrez M.; Taconet O.; Vidal Madjar D.; Sucksdorff Y., 1992: Calibration of an energy flux model over bare soils during the hapex mobilhy experiment. Surface energy fluxes can be evaluated from remotely sensed data using models describing the transfers between soil, vegetation and atmosphere. To be applied over bare soils and over partial canopies for which the soil evaporation is comparable to...

Habets, F.N.ilhan, J.G.laz, C.G.utorbe, J.; Lacarrere, P.L.blois, E.L.doux, E.M.rtin, E.O.tle, C.V.dal-Madjar, D., 1999: The ISBA surface scheme in a macroscale hydrological model applied to the Hapex-Mobilhy area. II. Simulation of streamflows and annual water budget. A macroscale hydrological model including an improved representation of the surface processes is validated at a regional scale using the data set collected during the Hapex-Mobilhy experiment (1986). Using observed atmospheric forcing with a resol...

Habets F.; Noilhan J.; Golaz C.; Goutorbe J.P.; Lacarrere P.; Leblois E.; Ledoux E.; Martin E.; Ottle C.; Vidal Madjar D., 1999: The ISBA surface scheme in a macroscale hydrological model applied to the HAPEX-MOBILHY area; Part II, Simulation of streamflows and annual water budget. A macroscale hydrological model including an improved representation of the surface processes is validated at a regional scale using the data set collected during the Hapex-Mobilhy experiment (1986). Using observed atmospheric forcing with a resol...

Pinty, J.P.; Mascart, P.; Richard, E.; Rosset, R., 1990: An investigation of mesoscale flows induced by vegetation inhomogeneities using an evapotranspiration model calibrated against HAPEX-MOBILHY data. Recent studies have suggested that heterogeneities in soil properties or vegetation characteristics may trigger mesoscale circulations in the planetry boundary layer (PBL). These flows are very sensitive to the choice of the model characteristics...

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Yang, Z.Liang; Dickinson, R.E.; Shuttleworth, W.J.; Shaikh, M., 1998: Treatment of soil, vegetation and snow in land surface models: a test of the Biosphere-Atmosphere Transfer Scheme with the HAPEX-MOBILHY, ABRACOS and Russian data. Various components of the land surface, their individual hydrological processes and the process-oriented models are reviewed in this paper, with the focus on their application in global climate models (GCMs). The Biosphere-Atmosphere Transfer Sche...