zonal climates Flashcards

1
Q

what is the climate like in the tropical wet climate?

A

-Temperatures between 28-30 degrees Celsius
-rainfall at 2000mm per annum
-there is a dryer season between june- october

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2
Q

what human activities take place in the tropical wet climate?

A

-deforestation
-logging
-cattle ranches
-new infrastructure
-saw mills
-slash and burn
-mining

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3
Q

what are the population numbers like in the Tropical wet climate?

A
  • amazon rainforest is the ancestral home to 1 million Indians
    -400 tribes- Huli ,Kayapo, yanomami
    -one of the lowest population densities on earth at 0.2 people/ km 2
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4
Q

Explain the Costa Rica Orange peel experiment.

A

-12,000 tonnes of orange peel were thrown on deforested land
-16 years after the landform has been completely rejuvenated
-this took place in the 1990’s

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5
Q

What is the climate of the semi- arid regions?

A
  • they are found between the tropics
    -they are a transition zone between tropical rainforests and arid deserts
    -250-500 mm per annum of rainfall
    -hot summers up to 40 degrees c and cool winters from 10- 15 degrees c
    -characterised by savannah vegetation- tall grassland and occasional tree
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6
Q

What human activities are in the semi- arid regions?

A
  • population density differs but in the Sahel it is 8 people/ kem 2
    -overgrazing
    -drought
    -overpopulation
    -climate change
    -soil erosion
    -soil degradation
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7
Q

what effects is climate change having on the Sahel?

A

-making rainfall less reliable and therefore agriculture more difficult
-since 1950 decrease in rainfall and since 1970 widespread severe droughts
-possible increase of rainfall levels now due to climate change because of the northerly migration of tropical rain belts.

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8
Q

what is the climate in the tropical monsoon climate?

A
  • It has distinguished wet and dry seasons
    -summer wet season is from may- October when the sun is overhead heating up the ground and causing a low pressure belt
    -in winter cool dry winds blow from the Asian inferior to the sea with any moisture being lost over the Himalayas before descending to the coast
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9
Q

Where is the wettest place on earth?

A

The wettest place on earth is Mawsynramin india.
-It has an annual mean rainfall of 11,871 mm per annum
-The wettest month ever recorded was 10 miles from here in cherrapunji when 9300 mm fell in july 1861

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10
Q

What is the climate in The polar tundra?

A
  • Tundra ice caps cover 20% of the earth
    -hours of summer sunshine may be long at such high latitudes but temps rarely rise above 0
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11
Q

What human activities take place in the Polar tundra climate?

A

-about 4 million people live in tundra regions in total
-fishing, tourism
-Inuits indigenous people have been living for thousands of years and rather than land based agriculture they hunt caribou, seals and fish in a sustainable way

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12
Q

What is a zonal climate?

A

A zonal climate is an area with a distinct climate

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