10 th b social science

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  1. 1. GOVT HIGH SCHOOL KEDUR
  2. 2. SOCIAL SCIENCE
  3. 3. CLIMATE OF INDIAIndia is a vast country and has different relief features. India has very hot and very cold regions has well as regions with heavy rainfall and very scanty rainfall. A large part of india has tropical monsoon climate. The climate of India has been influenced by it's position, size, relief features and the monsoon winds
  4. 4. The climate of India may be divided into four seasons 1. Winter-December to February 2. Summer -March to May 3. South-West Monsoon or Rainy season-June to September 4. Retreating Monsoon October and November
  5. 5. WINTER Sun's rays fall vertically over the Sothern Hemisphere. Hence India gets oblique rays of sun and the temperature decreases. Day are bright due to sunlight but the night are cold. Temperate cyclones which originate over the Mediterranean sea and cause rainfall and snowfall in the north Wetern parts of India
  6. 6. From the March to MaySun's rays fall vertically over the northern HemisphereTemperature is high in IndiaNorth Indian plain has very high temperature because of long days and distance from the sea. Dust storms and hot dry winds are common. Northern mountain region and the Plateaus of Peninsular India are cooler.Rainfall occurs at few places.Assam and West Bengal get some rain.North-Western regions do not get only rainfallCoromandel Coast gets some rainfallSummer
  7. 7. Rainy Season June to September 75% of the avearge rainfall Rajasthan develops a low pressure area. In India get rainfall from South West monsoon. South West monsoon are moisture laden winds and give heavy rain to a greater part of India. With the exception Tamilnadu, most part of India get rainfall from the South-West monsoon.
  8. 8. The Retreating Monsoon Season South West monsoon winds started Retreating from the beging of the October due to decrease in temperature and increasi in pressure there are called Retreating monsoon winds. This is a transition period. Cyclonic depressions are formed in the Bay of Bengal. Heavy rainfall to the Coast of Tamilnadu, Andhra Pradesh and Orissa. India gets about 13% of the total annual rainfall durind this season.