What is the "greenhouse forcing" - the difference between the radiation that would be emitted to space if there were no atmosphere (but the same surface temperature), and the terrestrial radiation emitted by the planet currently? Units are Wm-2, and the number should be positive, rounded to the nearest whole number.
What is the "greenhouse forcing" - the difference between the radiation that would be emitted to space if there were no atmosphere (but the same surface temperature), and the terrestrial radiation emitted by the planet currently? Units are Wm-2, and the number should be positive, rounded to the nearest whole number.
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Transcribed Image Text:What is the "greenhouse forcing" - the difference between the radiation that
would be emitted to space if there were no atmosphere (but the same surface
temperature), and the terrestrial radiation emitted by the planet currently? Units
are Wm-2, and the number should be positive, rounded to the nearest whole
number.
Transcribed Image Text:In this quiz, you will use this key figure from Lecture 3.2 to study the Earth's current energy
budget. For all questions, use the best estimate (large number), and ignore the range shown in
parentheses.
incoming
Units (Wm2) solar TOA
340
(340, 341)
79
(74,91)
solar absorbed
atmosphere
solar
down
surface
imbalance
0.6
(0.2, 1.0)
IPCC AR4, Fig. 2.11
161
(154, 166)
100
(96, 100)
185 24
(179, 189) (22,26)
solar reflected
TOA
solar absorbed
surface
*******00
111111111
|||||||||
*********
********
solar
reflected"
Ju
surface"
****
31
latent heat
11
11
84 20
(70, 85) (15, 25)
evapo-
ration
sensible
heat
18866
398
(394, 400)
thermal
up surface
thermal outgoing
TOA
239
(236, 242)
atmospheric
window
greenhouse
gases
342
(338, 348)
thermal
down surface
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