Greenhouse Effect
Greenhouse
Atmosphere
sunlight
heat
§
allow sunlight to come in
§
trap heat inside the house
q
For Earth’s surface:
S/4*(1-A)
+
s
T
A
4
=
s
T
S
4
q
For the atmosphere:
s
T
S
4
= 2
s
T
A
4
è
T
s
=
2
¼
T
A
= 303K