In this quiz, you will use this key figure from Lecture 3.2 to study the Earth\'

Question

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. incoming Units (Wm2) solar TOA solar reflected TOA thermal outgoing TOA 340 (340, 341) 100 (96, 100 239 (236, 242) atmospheric window 79 4, 9 greenhouse gases latent heat solar absorbed atmosphere solar down surface 185 24 (179, 189) (22,26) solar reflected surface 161 (154, 166) 84 20 (70, 85) (15, 25) 398 (394, 400) 342 (338, 348) imbalance 0.6 thermal up surface thermal down surface solar absorbed evapo- sensible surface ration heat

Explanation / Answer

q6)

imbalance = (incoming solar energy) - (solar reflected TOA + thermal outgoing TOA)

imbalance = 340 - (100+239)

imbalance = +1 W/m2

since it is positive, it is warming the earth

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