Change in IR
Emission to Space
BEFORE GHG increase IN=OUTAFTER GHG increaseNH
SH
Ahrens, Fig. 2.21
Temperature
Temperature
1. Altitude of IR emission to space rises
Altitude of IR emission to space
Temperature of IR emission to space
2. Temperature of IR emission to
space decreases
3. IR emission to
space
decreases
because of colder emission temperature
because of colder emission temperature
IR emission to space