Incoming and reflected solar radiation must equal outgoing infrared flux at the

Question

Incoming and reflected solar radiation must equal outgoing infrared flux at the top of Earths atmosphere. This is known as the Energy Balance. Ozone selectively absorbs ultraviolet radiation. Carbon dioxide and water vapor are strong, selective absorbers of infrared radiation. 1) True 2) False Arctic sea ice reflects about 80% of the solar radiation that reaches the polar region. 1) True 2) False Wind drift, the Earth?s rotation (Coriolis), and friction create convergence in the center of a Gyre. 1) True 2) False

Explanation / Answer

Q. 1 Albedo or reflection coefficient

The ratio of reflected to incident solar energy is called the albedo, ?.

Under the present terrestrial conditions of cloudiness and snow and ice cover, on average a

fraction ?p ' 0.30 of the incoming solar radiationat the Earth is reflected back to space; ?p is

known as the planetary albedo.

Q. 2

1) True

Q. 3

1) True

Q. 4

1) True

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