Cloud cover (also known as cloudiness, cloudage or cloud amount) refers to the fraction of the sky obscured by clouds when observed from a particular location. Okta is the usual unit of measurement of the cloud cover.
Role in the climate system
|Part of the nature series|
Clouds play multiple critical roles in the climate system. In particular, being bright objects in the visible part of the solar spectrum, they efficiently reflect light to space and thus contribute to the cooling of the planet. Cloud cover thus plays an important role in the energetic balance of the atmosphere and a variation of it is a consequence of and to the climate change expected by recent studies.
- Ralph E. (1970) . "Cloud cover". Glossary of Meteorology (2nd ed.). Boston: American Meteorological Society. Retrieved August 24, 2013.
- IPCC Third Assessment Report Chapter 7. Physical Climate Processes and Feedbacks (Atmospheric Processes and Feedbacks 7.2) (Report). International Panel on Climate Change. http://www.grida.no/publications/other/ipcc_tar/?src=/climate/ipcc_tar/. Retrieved August 24, 2013. "It has extensive coverage of cloud-climate interactions"
- McIntosh, D. H. (1972) Meteorological Glossary, Her Majesty's Stationery Office, Met. O. 842, A.P. 897, 319 p.
|Wikimedia Commons has media related to Cloud cover.|
- NSDL.arm.gov, Glossary of Atmospheric Terms, From the National Science Digital Library's Atmospheric Visualization Collection.
- Earthobersvatory.nasa.gov, Monthly maps of global cloud cover from NASA's Earth Observatory
- International Satellite Cloud Climatology Project (ISCCP), NASA's data products on their satellite observations
- NASA composite satellite image.