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●The time-series of vertical temperature differences at the base of the water column, recorded between two thermistors separated vertically by 1 m at the outermost thermistor chain station (Tc 4).

●The large vertical temperature gradients recorded between the 2 thermistors reached values as high as 9°C m-1 and occurred during the upwelling events.

●Often these huge gradients are followed by small temperature inversions of the order of -0.1°C. These temperature inversions seem to last for several hours during the initial phase of the upwelling event.