Climate of india

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Climate of india

  1. 1. Climate refers to the sum total of weather condition and variation over a large area for a long period of time. Weather refers to the state of the atmosphere over an area at any point oftime.the elements of weather and climate are the same,temperature,atmospheric pressure ,wind ,humidity and precipitation. The climate of india is described as the monsoon.
  2. 2. FACTORS AFFECTING INDIAN CLIMATE RELATED TO LOCATION RELATED TO AIR & RELIEF PRESSURE & WIND•Latitude Surface pressure & wind•Altitude Upper air circulation•Relief Western cyclones •Distance from Sea•The Himalayan Mt.•Distribution of Land & water
  3. 3. Climatic Controls• There are six major controls of the climate of any places .• They are : latitude, altitude pressure and wind system, distance form the sea, ocean currents and relief features .
  4. 4. Drass -450C in December night Tawang 190C in550C temperature June in June Thar desert Diurnal range of temperature 300C Jaisalmerreceives 9cm Cherrapunji & rainfall Mawsynram have 1080cm rainTiruvanantapuram & Chennai 200C in Kerala Diurnal December night range of temperature 80C MONSOON REGIME IS THE UNITY OF INDIA
  5. 5. JET STREAM IN WINTER TIBET
  6. 6. WITHDRAWAL OF MONSOON pt. Se 15 th . pt th Se 7 . pt th Se 30 r b er be to o c ct th O th O 7 15
  7. 7. RHYTHM OF SEASONS HOT WEATHER HOT WEATHER RETREATING MONSOON RETREATING MONSOONCOLD WEATHER ADVANCEING MONSOON ADVANCEING MONSOON
  8. 8. HOT WEATHER SEASON► It extends from March to May.► Vertical sun rays shift towards Northern hemisphere.► Temperature rises May 480C gradually from south to north. April 380C► Highest Temperature experiences in Karnataka in March, March 300C Madhya Pradesh in April and Rajastan in May.
  9. 9. RETREATING MONSOON SEASON ► It extends from October to November ► Vertical sun rays start shifting towards Northern hemisphere. ► Low pressure region LOW PRESSURE shift from northern parts of India towards south. ► Owing to the conditions of high temperature and humidity, the weather becomes rather oppressive. This is commonly known as the ‘October heat’ Rhythm of Seasons
  10. 10. • Parts of western coast and northeastern India receive over about 400cm in of rainfall anually.It is less than 60cm in western Rajasthan and adjoining parts of Gujarat ,Haryana and Punjab.While area of high rainfalls are effected by floods area of low rainfall are drought-prone.
  11. 11. DISTRIBUTION OF RAINFALL > 200cm 100-200cm 50-100 cm < 50cm
  12. 12. VARIABILITY OF RAINFALL ► The variability of rainfall is computed with the help of the following formula: C.V.= Standard Deviation/ Mean * 100 ► Variability of less than 25% exist in Western coasts, Western Ghats, northeastern peninsula, eastern plain of the Ganga, northern India, Uttaranchal, SW J & K & HP. ► Variability of more then 50% found in Western Rajastan, J & K and interior parts of Deccan. ► Region with high rainfall has less variability.

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