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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)
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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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: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.
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
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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