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AOSC200Lect24 - Disappearance of the Aral Sea during the...

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Fig. 15.8 Disappearance of the Aral Sea, during the period from 1973 to 2000. Largely due to diversion of water from the rivers feeding the sea for irrigation. AOSC 200 LESSON 24
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Human Influences on Climate Greenhouse effect Feedbacks Northward movement of the jet streams Changing Land Surfaces Heat Islands Consequences of Greenhouse Effect
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Simple Greenhouse Model . be fraction Let this space.. into back reflected is radiation this of Part Earth) the of radius the is ( Earth the of area sectional cross the times is sun by the blocked energy total The constant). solar the as (known as area unit per surface s Earth' at the sun the from energy the define We 2 0 0 0 α π e e A R R Q Q E Q = =
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Greenhouse Effect sphere) (a Earth the of area the is 4 where 4 relation Boltzmann - Stefan by the given is radiated energy The space. into back radiation red - infra radiates Earth then The . re temperatu a Earth to the up heat l energy wil This ) 1 ( is Earth by the absorbed energy total Then the 2 2 4 2 0 e e e R e e A R R T E T R Q E π π σ π α = - =
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