Micro-fluctuations of temperature and salinity in the Gulf of Kutch

M.J. Varkey, R.V.N. Sarma, R. Nagarajan


Vertical distributions of temperature and salinity in the Gulf of Kutch show nearly homogeneous conditions in the water column. Though, variations in the vertical distributions with tide are very small, wind and insolation coupled with the phase of the tide cause transient features in the general mean patterns. The large tidal amplitude in the Gulf effects flooding of extensive low lying areas especially during spring tides and this results in numerous water pools trapped in the intertidal zone. The subsequent exposure of these individual water pools results in intense evaporation and formation of high saline water parcels. These parcels, when they are flushed into the Gulf during ebb tides, cause microfluctuations in salinity and temperature


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