The study found that irrigation decreases regional temperatures during crop growing seasons by as much as 3-4 degrees Celsius over the most heavily irrigated areas (primarily the Indo-Gangetic plains). This cooling, in turn, affects the monsoon cycle and alters rainfall amount differently in different regions.
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Irrigation does more than deplete groundwater, it changes climate too mospheric Sciences at the Indian Institute of Technology in Delhi used computer simulations and sophisticated global climate models to analyse the effects of irrigation on the climate in India. <span>The study found that irrigation decreases regional temperatures during crop growing seasons by as much as 3-4 degrees Celsius over the most heavily irrigated areas (primarily the Indo-Gangetic plains). This cooling, in turn, affects the monsoon cycle and alters rainfall amount differently in different regions. “When the land surface absorbs sunlight, some of the energy is used up in evaporating the available water in the soil. If there is no (or limited) water, then more of that energy goes i Summary
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