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Title: Multiple subsurface maxima in vertical salinity structure: A case study
Authors: Kumar, P V Hareesh
Kumar, N Mohan
Radhakrishnan, K G
Issue Date: Jun-1995
Publisher: NISCAIR-CSIR, India
Abstract: Temperature and salinity data collected in the coastal waters off Cochin during the pre-onset phase of summer monsoon 1992 revealed the occurrence of some fine scale structures. Vertical salinity structure is characterised by subsurface salinity maxima with salinities 35.55-35.75 x 10(-3). Transient multiple high salinity maxima separated by low saline waters are observed in the halocline. Associated with these fine scale features, either step like structures or inversions in the temperature field and large fluctuations in sound speed gradients are noticed. Low values of Richardson number (<0.25) between 50 and 70 m suggest the dominance of shear mixing over buoyant mixing. Like any other coastal upwelling system a prominent northward flowing undercurrent is noticed below 50 m.
Page(s): 77-81
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.24(2) [June 1995]

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