Change in IR
Emission to Space (contÕd)
¥AFTER GHG
increase IN>OUT
Eventual
solution IN=OUT
SH
Ahrens, Fig. 2.21
Temperature
4. Atmosphere warms untilÉ
5. Temperature of
IR emission to space
increase to
original temperature
6. IR emission to
space increases until it matches the original IR emission before GHG increases
SH
Ahrens, Fig. 2.21
Temperature
1. Altitude of IR emission to space rises
2. Temperature of
IR emission to space decreases
3. IR emission to
space decreases
because of colder
emission temperature