Some aspects of the HAPEX-MOBILHY programme: The data base and the modelling strategy |
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Authors: | J. Noilhan J. C. André P. Bougeault J. P. Goutorbe P. Lacarrere |
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Affiliation: | (1) Centre National de Recherches Meteorologiques (EERM/DMN), 31057 Toulouse, Cedex, France |
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Abstract: | The main thrust of the HAPEX-MOBILHY experiment was towards investigating techniques involved in integrating the turbulent surface fluxes measured at local sites to a larger scale approaching that used in general circulation models.Some aspects of the field data collected at various times and spatial scales are presented. Annual cycle of the soil moisture at many sites is discussed in relation with outputs of a large scale hydrological model. At shorter time scales, the spatial variability of surface energy partition is examined with regard to spatial contrasts in albedo, surface roughness and plant properties related to the two main vegetation classes found in the HAPEX square: A pine forest and the nearby agricultural area.Finally, examples of daily spatial integration with an atmospheric mesoscale model including a comprehensive treatment of land surface processes are presented. |
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