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Lecture 2

Geography 1400F/G Lecture Notes - Lecture 2: Trade Winds, Leaf Area Index, Richard Leakey


Department
Geography
Course Code
GEOG 1400F/G
Professor
Anthony Weis
Lecture
2

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1
UNIT 2: TROPICAL DEFORESTATION (in Amazonia)
The Geophysiology of the Amazon Basin
NEXT
WEEK
http://amazonwatch.org/about

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“With the loss of the tropical rainforests,
we face the possibility of an extinction
spasm as dramatic and far-reaching as
anything in the history of life on earth.
Michael Robinson
Epicentre of biodiversity loss:
tropical rainforests
~6% of world’s land area
~50% of world’s plant & species
-deforestation rate: ~1-2%/year
(NASA)
the ITCZ
like a ‘HEAT PUMP’, producing warm, moist air that rises
High or Low
pressure?
(think updraft)

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(warmer air holds more moisture
than cooler air
flows pole-ward cools & loses moisture
rising hot, moist, & lighter air
fundamental
control on
patterns
of life
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