Student Pyranometry - Institute for Earth Science Research and ...
Student Pyranometry - Institute for Earth Science Research and ...
Student Pyranometry - Institute for Earth Science Research and ...
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Pyranometers <strong>and</strong> <strong>Earth</strong>’s radiative balance<br />
Incoming<br />
from sun<br />
Outgoing from<br />
earth/atmosphere system<br />
• Solar radiation reaching <strong>Earth</strong> is reflected (30%) or<br />
absorbed (70%) by the atmosphere or surface.<br />
• The absorbed radiation is then re-radiated in the <strong>for</strong>m of<br />
longwave (thermal) radiation.<br />
• Solar energy is the driving <strong>for</strong>ce <strong>for</strong> creating <strong>and</strong><br />
maintaining <strong>Earth</strong>’s weather <strong>and</strong> climate.
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