-2 Earth receives 341 watts m of incoming solar radiation. Of this, 79 watts m is reflected by clouds before it reach the surface. An additional 23 watts m is reflected by the Earth's surface. Nearly 78 -2 watts m is absorbed by the atmosphere. The remaining energy is absorbed by the Earth's surface. How many watts m -2 are absorbed by the Earth's surface?
-2 Earth receives 341 watts m of incoming solar radiation. Of this, 79 watts m is reflected by clouds before it reach the surface. An additional 23 watts m is reflected by the Earth's surface. Nearly 78 -2 watts m is absorbed by the atmosphere. The remaining energy is absorbed by the Earth's surface. How many watts m -2 are absorbed by the Earth's surface?
Chapter14: Aquariums
Section: Chapter Questions
Problem 4KA
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Introduction
The energy flow in the Earth system help in maintaining the balance between incoming and outgoing energy. This balance ensures stability of temperature of earth for survival. This incoming and outgoing energy are equal and this balanced state is called radiative equilibrium.
Out of the total solar energy received by the Earth and its atmosphere, about 29% is reflected back to the space into clouds and atmospheric particles. Some part of earth's surface including bright surfaces and snow also reflect the energy into the space. Another 23% of the energy is absorbed by the atmosphere by water vapor and ozone. The remaining 48% is absorbed by the surface of the earth.
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