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Title: Application of new Q-W relation to study latent heat fluxes over Indian Ocean using Seasat SMMR data
Authors: Gautam, N
Basu, S
Gairola, R M
Pandey, P C
Issue Date: Dec-1994
Publisher: NISCAIR-CSIR, India
Abstract: The MONEX-79 ship observations have been used to compute latent heat fluxes (called direct method) over the Indian Ocean region. Latent heat fluxes have also been calculated using the above mentioned ship observations except the direct measured values of surface level humidity (called indirect method) which has been derived using the relation proposed by Gautam et al. [Bound-layer meteorol (Netherlands), 60 (1992) 179]. The correlation coefficient between latent hat fluxes obtained by these two methods is 0.9, suggesting that this Q-W relation can be used for latent heat flux computations. This methodology has also been extended to Seasat-SMMR data. Using the same data set, the latent heat flux variabilities for deep depression and normal cases over the Bay of Bengal have been studied to bring out the finer details of the ocean-atmosphere interaction process at the boundary layer. This study demonstrates the application of satellite data for the estimation of heat fluxes on instantaneous basis for operational purposes in numerical models.
Page(s): 375-379
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.23(6) [December 1994]

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