In this quiz, you will use this key figure from Lecture 3.2 to study the Earth's current energy budget. For all question

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In This Quiz You Will Use This Key Figure From Lecture 3 2 To Study The Earth S Current Energy Budget For All Question 1 (1.19 MiB) Viewed 45 times

In This Quiz You Will Use This Key Figure From Lecture 3 2 To Study The Earth S Current Energy Budget For All Question 2 (44.19 KiB) Viewed 45 times

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. 2.11 100 (96, 100) 185 (179, 189) (22,26) 24 sola 161 (154, 166) solar reflected TOA solar absorbed surface latent heat 100 ********* reflected" surface 84 20 (70, 85) (15, 25) evapo- ration sensible heat 2000¹ 398 (394, 400) thermal up surface thermal outgoing TOA 239 (236, 242) atmospheric window greenhouse gases 342 (338, 348) thermal down surface
Incorrect Question 2 0/2 pts Calculate the effective temperature of the surface in K, assuming the surface acts like a blackbody. (Round to the nearest whole number and enter a number only). 255
Incorrect Question 5 0/2 pts 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. 5 Here I asked you for the "greenhouse forcing" but told you exactly what to do. The radiation that would be emitted to space if there were no atmosphere but the same surface temperature is the emission from two steps ago. The current emitted radiation is given on the figure (thermal outgoing TOA). The answer is the difference between these two. This is effectively the amount of radiation the atmosphere prevents from getting to space.