UPSC PRELIMS · GEOGRAPHY · OCEANOGRAPHY — OCEAN MEAN TEMPERATURE

With reference to Ocean Mean Temperature (OMT), which of the following statements is/are correct? 1. OMT is measured up to a depth of 26°C isotherm which is 129 metres in the south-western Indian Ocean during January–March. 2. OMT collected during January–March can be used in assessing whether the amount of rainfall in monsoon will be less or more than a certain long-term mean. Select the correct answer using the code given below:

Take a breath. Choose one. Press A–D on your keyboard if you like.

EXPLANATION

OMT based on the depth of the 26°C isotherm is used as an indicator for forecasting monsoon rainfall; the numerical depth claim in statement 1 is not correct as stated.

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