A Study On Atmospheric Boundary-Layer Characteristics At Anand, India Using Lsp Experimental Data Sets |
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| Authors: | A N V Satyanarayana V N Lykossov U C Mohanty |
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| Institution: | (1) Centre for Atmospheric Sciences, Indian Institute of Technology, New Delhi, India;(2) Institute of Numerical Mathematics, Moscow, Russia;(3) Centre for Atmospheric Sciences, Indian Institute of Technology, Hauz Khas, New Delhi, 110 016, India |
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| Abstract: | An attempt is made to study the planetary boundary layer (PBL) characteristics during the winter period at Anand (22.4°N, 72.6°E), a semi-arid region, which is located in the western part of India. A one-dimensional turbulent kinetic energy (TKE) closure model is used for the study. The structure of the PBL,which consists of profiles of zonal and meridional components of wind,potential temperature and specific humidity, is simulated. A one-dimensional soil heat and moisture transport parameterization scheme is incorporated for the accurate representation of the energy exchange processes at the soil-atmosphere interface. The diurnal variation of fluxes of sensible heat, latent heat, shortwave radiation, net radiation and soil flux, soil temperature at different depths, Richardson number and TKE at the height of the constant flux layer is studied. The model predictions are compared with the available observations obtained from a special Land Surface Processes (LSP) experiment. |
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| Keywords: | Fluxes Land surface processes Planetary boundary layer Turbulent kinetic energy |
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