1. Using the information from above, what percentage of incoming solar radiation is absorbed by the Earth's surface and converted to longwave energy? (your answer must be numeric)

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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An Energy Budget helps track energy flow in a system. An equation is used to balance the energy coming into a system with the energy that is leaving the system. 

The image below helps to explain how the Greenhouse Effect functions on Earth. The information provided here will help you answer the questions that follow as you attempt to understand the Earth's energy budget.

  • Clouds reflect 17% of all incoming solar radiation back into space. An additional 8% is reflected by air molecules, and another 6% is directly reflected off the surface (mainly from snow, ice, and water).

  • Incoming solar energy also gets absorbed directly by dust, ozone and water vapor in the upper atmosphere. This region is called the Stratosphere. The Stratosphere absorbs 19% of the sun’s energy and is heated by that radiation.

  • The percentage of shortwave radiation that is absorbed by the Earth is later emitted as longwave infrared. A portion of this longwave energy is lost directly into space. The rest is used to warm the Troposphere (the atmospheric layer closest to the surface).
1. Using the information from above, what percentage of incoming solar radiation is absorbed by the Earth's surface and converted to longwave energy? (your answer must be numeric)
 

 

100%
19% of incoming
solar energy is
absorbed by the
Stratosphere
sho
ortwave radiation
31% of incoming
solar energy is
directly reflected
back to space
The percentage of
shortwave radiation
absorbed by the
Earth is later released
as longwave radiation
15% of the energy
absorbed by Earth
is radiated back to
space
longwave radiation
35% of the energy
absorbed by Earth
can be trapped by
molecules in the
Troposphere
Transcribed Image Text:100% 19% of incoming solar energy is absorbed by the Stratosphere sho ortwave radiation 31% of incoming solar energy is directly reflected back to space The percentage of shortwave radiation absorbed by the Earth is later released as longwave radiation 15% of the energy absorbed by Earth is radiated back to space longwave radiation 35% of the energy absorbed by Earth can be trapped by molecules in the Troposphere
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