The re-emission of terrestrial longwave radiation by clouds and \"greenhouse gas

Question

The re-emission of terrestrial longwave radiation by clouds and "greenhouse gases" back toward Earth's surface is sometimes referred to as: A) latent heat; B) counterradiation: C) insolation; D) advection: E) blackbody radiation. 20. Evapotranspiration refers to: A) evaporation from soil and water surfaces: B) vapor loss from plant leaves; C) condensation of water vapor in the atmosphere: D) both A) and B): E) none of the above 21. When incoming shortwave solar radiation strikes Earth's surface (that is, the land), what happens to this energy? A) all of it is absorbed into the surface until nightfall: B) some is reflected and some is transmitted;C) all is reflected as longwave radiation back to the atmosphere; D) some is reflected, and some is absorbed and re-emitted as longwave radiation; E) 80% of it is lost back into outer space. 22. The maximum amount of radiation output by the sun is in what portion of the electromagnetic spectrum? A) shortwave radio; B) visible and near infrared; C) ultraviolet; D) microwave E) x-rays 23. fill in the blank) The higher the temperature of an object, the the wavelength of the radiation it emits. A) faster; B) longer; C) more variable; D) shorter, E) slower

Explanation / Answer

19. B) Counterradiation: The long-wave radiation emitted from the Earth to the atmosphere after it has absorbed the shorter-wave radiation of the sun.

20. D) Both A and B. Evapotranspiration refers to evaporation of water from soil and water bodies and transpiration from the green leaves. Evapotranspiration is the sum of evaporation+transpiration.

21. D). Some is reflected,and some is absorbed and re-emitted as long-wave radiation.

22. B) Visible and near infrared.

23. D) The higher the object's temperature, the faster the molecules will vibrate and the shorter the wavelength will be.

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