Preliminary results on the migration of the tropical rainfall zone in a simple climate model

M. SANKAR-RAO, A. V. KIRAM KUMAR

Abstract

Two numerical experiments were performed with a simple energy balance climate model. One is for a global ocean planet and the other one is for a wet land planet. It was found that the tropical rainbelt maximum migrates, for a land planet, about 30° in latitude, while for the ocean planet, it stays always near the equator. Because of this stationarity of the rainbelt in the ocean planet, a tropical desert is formed besides the extratropical desert, which forms both for land and ocean planet experiments.

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