RAINFALL PATTERN HAS CHANGED-SAYS ENVIRONMENTALISTS

After the recent downpour of rainfall in tamilnadu and its cities,Scientist and environmentalist insist that rains have become erratic and scarce in chennai.They say the rainfall that we get is a pale shadow of rains we were getting some 3 decades back.A study carried out in the city under the guidance of weather scientists had come to the conclusion that the entire water scarcity in the city could be addressed by rain water harvesting.Dr G.V Rama,atmospheric scientist(ISRO), said that the rain pattern has undergone drastic changes in the last two decades."previously it used to rain for 45 days during the october-december period.But now it hardly rains for 25 days.