HW1-solution - HOMEWORK 1 Solution 1. Q1.3, Q1.4 & Q1.5...

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HOMEWORK 1 Solution 1. Why are concentrations of H 2 O vapor and CO 2 so variable? Water vapor concentrations vary because of continual phase changes caused by changes of temperature. Carbon dioxide variability is related to its uptake and release by plants. What gases absorb incoming solar radiation? Ozone, O 2 , CO 2 , and H 2 O absorb portions of the solar spectrum. What gases absorb outgoing thermal radiation? Carbon dioxide, H 2 O, O 3 , N 2 O,, CH 4 , and chlorofluorocarbons absorb portions of the thermal emission spectrum. 2. Q1.8 (8%) There is a considerable difference between solar energy received at the extremity of the earth’s atmosphere and that received at the surface. Describe these differences and factors responsible. About 30% of solar energy is reflected back to space (primarily by clouds). A significant amount of solar energy is also absorbed by atmospheric gases such as O 3 , O 2 , CO 2 , and H 2 O. 3.
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This note was uploaded on 09/11/2011 for the course ENV 4101 taught by Professor Wu during the Spring '08 term at University of Florida.

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HW1-solution - HOMEWORK 1 Solution 1. Q1.3, Q1.4 & Q1.5...

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