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ppt for climate sst

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  1. 1. - refers to total sum and variations over a large area for a long time. India-monsoon •
  2. 2. -state of atmosphere over any area at any time.
  3. 3. Precipitation .
  4. 4. Latitude
  5. 5. Altitudes
  6. 6. Distance from Sea
  7. 7. Ocean currents
  8. 8. Windward-Leeward effect
  9. 9. The differential heating and cooling of land and water. • This creates low pressure on the landmass, while high pressure is created over the seas around during day time, but is reversed during the night time.
  10. 10. the shift in the position of Inter- Tropical Convergence Zone (ITCZ) • In summer, the equatorial trough normally positioned about 5°N of the equator moves over the Ganga plain creating a monsoon trough during the monsoon season.
  11. 11. . • It is approximately at 20°S over the Indian Ocean. The intensity and position of this high-pressure area affects the Indian Monsoon.
  12. 12. The Tibetan Plateau gets intensely heated • resulting in strong vertical air currents and high pressure over the plateau about 9 km above sea level.
  13. 13. the movement of the westerly jet streams to the north of the Himalayas and the presence of the tropical easterly jet stream over the Indian Peninsula.
  14. 14. • The advancing monsoon in India refers to the rainy season that lasts for a period of four months from June to September. The trade winds from the southern hemisphere, which originate over the warm subtropical areas of the southern oceans, bring the south-west monsoon winds into India. • Another characteristic feature of the monsoon is the ‘breaks’ in rainfall and refers to the alternating wet and dry spells of rains. The Indian monsoon is very unpredictable. These breaks occur due to the movement of the monsoon trough. • The farming schedule of millions of farmers all over the country, which is dependent on the monsoons, can sometimes get disturbed.
  15. 15. Conclusion