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Monsoons Impact on South Asia

Monsoons Impact on South Asia. Meteorology 101. Atmospheric pressure – the weight of the atmosphere pressing down on any point on earth. Air sinks in areas of high pressure and few clouds form Air rises in low pressure areas and rain clouds form. Monsoons. Seasonal winds

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Monsoons Impact on South Asia

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  1. Monsoons Impact on South Asia

  2. Meteorology 101 • Atmospheric pressure – the weight of the atmosphere pressing down on any point on earth. • Air sinks in areas of high pressure and few clouds form • Air rises in low pressure areas and rain clouds form

  3. Monsoons • Seasonal winds • Summer monsoon winds blow from the southwest and bring rain to South Asia • Winter monsoons blow from the northeast and bring dry conditions

  4. Orographic effect • The precipitation that occurs when moist air rises up the side of a mountain. As the air rises, it cools down and releases most of its moisture as rain or snow. • The windward side of a mountain receives large amounts of rain • The leeward side of a mountain receives very little rain and falls in the rain shadow.

  5. Monsoons • Blow from the southwest from April to October: • Wet season. • India gets more than 80% of its rainfall during the monsoon. • Blow from the northeast from October to April: • Dry season. • The shifting of the pattern rather unpredictable: • An early or late Monsoon can have negative impact on agriculture.

  6. Dominant Wind Patterns in the Winter (October to April) – Dry Season H (Cold) Monsoon Region L (Warm) L (Warm) Monsoon Region

  7. Dominant Wind Patterns in the Summer (April to October) – Wet Season L (Warm) Monsoon Region H (Cold) Monsoon Region

  8. Average Annual Precipitations (in millimeters) Dry continental Driest desert on earth Gobi Desert Ganges Delta Mawsynram, India (467” of rain per year; 11860 mm). Most precipitation on earth Monsoon east Borneo Raining every day with no dry season

  9. Matching Activity • There are 4 of each: climate graphs, maps, pictures, notes cards They describe 4 different cities in South Asia. Sort the cards into 4 groups, so you have 1 climate graph, 1 map, 1 picture, and 1 note card for each of the 4 cities. Hint: Divide the cards into wet and dry climates first. Use the Ch. 27 reading to help you.

  10. City: Climate Type: Absolute Location: Relative location: Wet season: Dry season: Annual Rainfall: Sketch a map or picture here. Effects of living in this climate: 1. 2. 3. 4. 5. Adaptations to living in this climate: 1. 2. 3. 4. 5.

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