Soil-Vegetation-Atmosphere Transfer Schemes and Large-Scale Hydrological Models (IAHS Proceedings & Reports)

Soil-vegetation-atmosphere interactions determine, to a large extent, the global climate and the behaviour of the hydrological cycle. Several key issues in soil-vegetation-atmosphere transfer (SVAT) models are poorly parameterized or simply not well enough understood. SVAT schemes include increasingly complex descriptions of the mechanisms governing vertical fluxes and characterizing surface properties is fraught with difficulties. Hence, data assimilation, whereby measurements are integrated with models, is often used to keep hydrological models on track. Remote sensing is useful in efforts to improve data assimilation. Snow-covered areas present particular problems. The 48 papers from a symposium in 2001 address these issues.

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