Modelling The Water Consumption Of The Sparse Canopy. Operational Approach
Author(s)
E.Personne, A.Tuzet, A.Perrier
Abstract
Modeling the water consumption of the sparse
canopy: Operational approach
E. Personne, A. Tuzet, A. Perrier
UMR Environnement et Grandes Cultures. INA PG/INRA. France
Abstract
The soil water balance is a key point of the processes which govern the surface
heat and water flux. A model calculating the soil water change of a sparse
canopy is presented. The proposed scheme is suitable for the studies of the
heterogeneous covers which share out their water resources between various
types of plants. The objective of this work is to show that we can simply and
mechanistically integrate into the model the spatial variability of the water
transfers in the soil and in the atmosphere. In our approach, the variability of the
microclimate induced by the sparse canopy is described within a radial symmetry
allowing to discretisize the horizontal heterogeneity of the cover. This approach
is an alternative i) to the use of the models of energy and mass transfer in three
dimensions appropriat
Keywords
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