Samenvatting India-an emering country

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Samenvatting - India-an emering country

  • 1 India, land of monsoons

  • Where is India located?
    on the triangular peninsula of South Asia
  • What are the natural boundaries?
    it is bordered in the north by the Himalayas and in the south by the waters of the Indian Ocean.
  • In which three regions can you divide India looking at the relief?
    High mountain range; himalayas in the north
    Coastal plain; bordering on mountain region
    platue; the the Deccan Plateau; centre of India
  • What are the Himalayas?
    the rooftop of the world. Top is freezing cold and always covered in snow.
  • What is the coastal plain?
    - contains two major rivers that have source in Himalays: Indus and Ganges
    - densely populated
    - fertile land because of filt deposits by floodings
  • How are the narrow coastal plains on the east and west coast of India populated?
  • What is the Deccan plateau?
    - Gently rolling landscape 400-800m high. 
    - Boredered on the west coast by mountains; the Western Ghats
  • 1.1 Monsoon rains

  • What does the temperature in India look like?
    Southern part is in the tropics, warm all year round. North of India still around 20 degrees daytime in winter, night to 5 degrees
  • Why is there a dry and a wet season in India?
    because of the seasonal wind, the monsoon
  • When does the monsoon reverse its direction
    every six months
  • When is the rainy season?
    in the summer (June, July, August).  get to 40 degrees.
  • What happens then because of the heat?
    Heat causes air to rise -> lack of air flow above the land is filled by sea air coming from Indian ocean. This causes very large amounts of precipitation on the west coast of India and in the Himalayas.  Here, the onshore wind collides with the mountains, causin rain.
  • What is the tropical seawind coming from the Inian Ocean called?
    south-west monsoon
  • What happens in the winter?
    exactly the opposite: a north-east wind blows from the Asiatic continent to the sea. This off-shore wind is dry
  • Who has the longest and the shortest rainy season?
    The south-east has longest - north-east shortest
  • Where is very little precipitation?
    in areas in the rain shadow of the mountains, for example on the Deccan Plateau and in the Thar Desert
  • What are the floodings?
    In the north-east particular, the amounts of precipitation are extremely high. The rain from the mountains flows back to the sea via the Ganges and the Brahmaputra. Too much rainwater causes floods, especially in the delta area in Gnagladesh.  Every year there are major floods in the drainage basin of the Gagnes
  • 1.2 Geo guides

  • What does high pressure mean?
    that a mass of air from the atmosphere is pressed together and is pushing down on the Earth. There is too much air
  • What is low pressure?
    there isn't enough air
  • How does air travel?
    Air goes from areas with too much pressure ( maximum) to areas without enough air pressure (minimum). So the low pressure area pulls in the air it needs from below
  • What is the Coriolis effect?
    Because of the rotation of the Earth, the wind in the northern hemisphere turns ot the right and the wind in the southern hemisphere turns to the left.
  • What is the tropical minimum?
    It is always hot at the Equator, so the air rises and moves away. This causes a minimum
  • What is the Polar maximum?
    It's always very cold at the north and south pole, sot he air goes down and cools. This causes a maximum
  • Which other maximums and minimums do you have?
    sub-tropical maximum 30 latitude
    sub-polar minimum 60 latitude
  • Which winds to you have?
    -trade winds
    -westerly winds
    -polar winds
  • With what does the tropical minimum move?
    the vertical position of the sun
  • Where is the tropical minimum in in January and in July?
    Ly in the north of the Equator, in January the south of the equator
  • What happens with the trade winds in July?
    south-east winds blow towards the tropical minimum in the northern hempisphere. When it passes the equator it changes direction: turns right in the northern hemisphere and becomes a south-westerly wind
  • What happens in January?
    opposite situation occurs. The north-east trade wind blows towards the tropical minimum in the souterhn hemisphere; it then turn to the left and changes into a north-westerly wind
  • Why does the south-west monsoon bring a lot of rain?
    because it crosses the Indian Ocean. In January the north-east trade wind doesn't bring any rain because it crosses land
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Voorbeelden van vragen in deze samenvatting

Where is India located?
What are the natural boundaries?
In which three regions can you divide India looking at the relief?
What are the Himalayas?
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