I. The radiation budget for all sky conditions at the top of the atmosphere (TOA) of a planet that is in radiative equilibrium is 1000 Wm2 for the incident shortwave radiation and 350 Wm² for the reflected shortwave radiation. (a) What is the albedo of the planet? (b) What is the magnitude of the outgoing longwave radiation at the TOA?

Applications and Investigations in Earth Science (9th Edition)
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Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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a&b

I. The radiation budget for all sky conditions at the top of the atmosphere (TOA) of a planet that is in
radiative equilibrium is 1000 Wm2 for the incident shortwave radiation and 350 Wm² for the
reflected shortwave radiation.
(a) What is the albedo of the planet?
(b) What is the magnitude of the outgoing longwave radiation at the TOA?
(c) For clear sky conditions, the reflected shortwave radiation is 310 Wm2 and the outgoing longwave
radiation is 600 Wm². What is the (i) shortwave cloud radiative forcing, (ii) longwave cloud radiative
forcing, and (iii) total cloud radiative forcing?
(d) Would this planet's surface be warmer or colder without clouds? Why?
Transcribed Image Text:I. The radiation budget for all sky conditions at the top of the atmosphere (TOA) of a planet that is in radiative equilibrium is 1000 Wm2 for the incident shortwave radiation and 350 Wm² for the reflected shortwave radiation. (a) What is the albedo of the planet? (b) What is the magnitude of the outgoing longwave radiation at the TOA? (c) For clear sky conditions, the reflected shortwave radiation is 310 Wm2 and the outgoing longwave radiation is 600 Wm². What is the (i) shortwave cloud radiative forcing, (ii) longwave cloud radiative forcing, and (iii) total cloud radiative forcing? (d) Would this planet's surface be warmer or colder without clouds? Why?
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