An observational study of radiative and turbulent cooling in the nocturnal boundary layer (ECLATS experiment) |
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| Authors: | Claude Estournel Raoul Vehil Daniel Guedalia |
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| Institution: | (1) Laboratoire d'Aérologie (U.A. 354) Université Paul Sabatier, 118, route de Narbonne, 31062 Toulouse, France |
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| Abstract: | The contribution of radiative and turbulent processes to nocturnal atmospheric cooling has been studied using the experimental data of the ECLATS experiment which took place in the African Sahel; the radiative and turbulent fluxes were determined taking thermal advection into account. The turbulent cooling rate is predominant; it decreases strongly with altitude at the beginning of the night, which is the main cause of inversion formation. |
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