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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 26, issue 3
Ann. Geophys., 26, 395–400, 2008
https://doi.org/10.5194/angeo-26-395-2008
© Author(s) 2008. This work is distributed under
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 26, 395–400, 2008
https://doi.org/10.5194/angeo-26-395-2008
© Author(s) 2008. This work is distributed under
the Creative Commons Attribution 3.0 License.

  26 Mar 2008

26 Mar 2008

Surface buoyancy flux in Bay of Bengal and Arabian Sea

G. Anitha1, M. Ravichandran1, and R. Sayanna2 G. Anitha et al.
  • 1Indian National Centre for Ocean Information Services, Hyderabad, India
  • 2Osmania University, Hyderabad, India

Abstract. The seasonal variation of thermal, haline, net surface buoyancy flux, the Monin-Obukhov length (M-O length, L) and stability parameter, i.e. the ratio of M-O length to mixed layer depth (h) were studied in the Bay of Bengal (BoB) and the Arabian Sea (AS) for the years 2003 and 2004 using Argo temperature and salinity profiles. The relative quantitative influence of winds to surface buoyancy and the applicability of scaling mixed layer using M-O length in BoB and AS was brought out. Rotation and light penetration modify the mixed layer depth from M-O length during shoaling in spring giving L/h<1.

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