Rainfall Patterns

sudhanshu sekhar panda

CHANGE IN RAINFALL pattern is a consequence of global warming. The worlds agriculture, especially third world agriculture, depends upon the seasonal rainfall pattern. Recent erratic changes in rainfall pattern lead toward low agriculture production, thus creating food insecurity for an ever-increasing world population. Flood, drought, and famine are the consequences of these changing patterns. Rainfall pattern means the distribution of rain geographically, temporally, and seasonally. The tropics receive more rainfall than deserts. Cooler places like the poles receive no rainfall, as it is converted to snow before it falls to the ground. Rainfall happens more in a particular time of a year, during a rainy season. In other seasons, rainfall is scant. Therefore, agriculture (rain-fed), worldwide, is planned based on rainfall's natural pattern. Water storages, irrigation networks, and urban water supply systems are designed according to the average annual rainfall. If it rains a lot on a continuous basis for ...

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