Response of upper ocean during passage of MALA cyclone utilizing ARGO data

Vissa, Naresh Krishna and Satyanarayana, A. N. V. and Kumar, Bhaskaran Prasad (2012) Response of upper ocean during passage of MALA cyclone utilizing ARGO data. International Journal of Applied Earth Observation and Geoinformation, 14 (1). pp. 149-159.

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Abstract

In the present study an attempt has been made to study the response of the upper ocean atmospheric interactions during the passage of a very severe cyclonic storm (VSCS) ‘MALA’ formed over the Bay of Bengal (BoB) on 24 April 2006. Deepening of mixed layer depth (MLD), weakening of barrier layer thickness (BLT) associated with a deeper 26 °C isotherm level (D26) is observed after the MALA passage. Tropical cyclone heat potential (TCHP) and depth averaged temperature (T100) exhibit a good degree of correlation for higher values. The passage of MALA cyclone also resulted in cooling the sea surface temperature (SST) by 4–5 °C. The findings suggest that turbulent and diapycnal mixing are responsible for cooler SSTs. Turbulent air–sea fluxes are analyzed using Objectively Analyzed air–sea Fluxes (OAFlux) daily products. During the mature stage of MALA higher latent heat flux (LHF), sensible heat flux (SHF), and enthalpy (LHF + SHF) are observed in the right side of this extreme event.

Item Type:
Journal Article
Journal or Publication Title:
International Journal of Applied Earth Observation and Geoinformation
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2300/2308
Subjects:
?? UPPER OCEANMIXED LAYER MALA CYCLONE ARGO DATA SEA SURFACE COOLINGGLOBAL AND PLANETARY CHANGEEARTH-SURFACE PROCESSESCOMPUTERS IN EARTH SCIENCESMANAGEMENT, MONITORING, POLICY AND LAW ??
ID Code:
68856
Deposited By:
Deposited On:
10 Mar 2014 14:16
Refereed?:
Yes
Published?:
Published
Last Modified:
21 Sep 2023 01:42