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{{Infobox device | {{Infobox device | ||
|description=Insolation is the sunlight that hits the earth | |||
|intended-use=Definition | |||
|keywords=Insolation, sun, energy, solar radiation, earth, sunlight, heat, nuclear, atmosphere | |||
|made=No | |||
|made-independently=No | |||
|date-published=2007-10-07 | |||
|sustainable-development-goal=Sustainable Development Goal 7 | |||
|contact-appropedia-user=User:Anonymous1 | |||
|documentation-language=English | |||
|manifest-language=English | |||
|manifest-date-created=2020-07-14 | |manifest-date-created=2020-07-14 | ||
|manifest-date-updated=2020-07-14 | |manifest-date-updated=2020-07-14 | ||
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|manifest-author-email=info@appropedia.org | |manifest-author-email=info@appropedia.org | ||
|title=Insolation | |title=Insolation | ||
}} | }} | ||
By definition, '''insolation''' is the incident [[solar]] radiation. That is, the amount of solar radiation reading the earth per day. This is usually measured in units of Btu/square ft/d. | By definition, '''insolation''' is the incident [[solar]] radiation. That is, the amount of solar radiation reading the earth per day. This is usually measured in units of Btu/square ft/d. | ||
Revision as of 19:14, 26 September 2020
By definition, insolation is the incident solar radiation. That is, the amount of solar radiation reading the earth per day. This is usually measured in units of Btu/square ft/d.
This is the sunlight that directly hits a surface and causes energy in the form of heat. This energy that we eventually feel as heat, is due to a nuclear reaction in the sun which is converted into energy. Only about 19% of this is absorbed by the atmosphere, 31% is reflected by the atmosphere, and the remaining 50% gets to earth absorbed almost totally.