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Title: Mixed layer height over Bay of Bengal during Indian summer monsoon using MONTBLEX observations
Authors: Patil, M N
Parasnis, S S
Keywords: MONTBLEX;Bay of Bengal;Virtual potential temperature;Mixed layer height;Cloud base height;Surface fluxes
Issue Date: Dec-2003
Publisher: NISCAIR-CSIR, India
Abstract: The height of mixed layer and cloud base is studied in relation to surface meteorological parameters, surface fluxes of heat and momentum and synoptic weather disturbances. For this study, surface as well as upper air meteorological observations collected over north Bay of Bengal (20°N, 89°E) during the summer monsoon of 1990 as a part of Monsoon Trough Boundary Layer Experiment (MONTBLEX), were utilized. Empirical relation between the cloud base height and the surface meteorological observations has been verified for its validity over Bay of Bengal. This height is further compared with aerological observations. A simple relation based on surface air temperature, pressure and wind speed has been suggested to estimate the cloud base height. Influence of the turbulent surface fluxes of heat and momentum on evolution of mixed layer over Bay of Bengal has been brought out.
Page(s): 373-378
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections: IJRSP Vol.32(6) [December 2003]

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