global dimming


global dimming
A worldwide decline, during the last few decades, of the intensity of the sunlight reaching the Earths surface, caused by particulate air pollution. Such dimming has a dampening effect on global warming.

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  • Global dimming — is the gradual reduction in the amount of global direct irradiance at the Earth s surface that was observed for several decades after the start of systematic measurements in 1950s. The effect varies by location, but worldwide it has been… …   Wikipedia

  • Global Dimming — Die globale Verdunkelung ist eine gemessene allmähliche Verringerung der Intensität des Tageslichtes, das die Erdoberfläche erreicht. Seit den 1950er Jahren wurden von der Arktis bis zur Antarktis hunderte von Messstationen installiert, die die… …   Deutsch Wikipedia

  • Global dimming — Die globale Verdunkelung ist eine gemessene allmähliche Verringerung der Intensität des Tageslichtes, das die Erdoberfläche erreicht. Seit den 1950er Jahren wurden von der Arktis bis zur Antarktis hunderte von Messstationen installiert, die die… …   Deutsch Wikipedia

  • global dimming — n. The gradual reduction in the amount of sunlight reaching the earth s surface. Example Citations: People may be oblivious to so called global dimming, which tends to occur during cloudy periods. Shabtai Cohen, who works at the Vocani Centre in… …   New words

  • global dimming — /gloʊbəl ˈdɪmɪŋ/ (say glohbuhl diming) noun the gradual reduction in the level of energy from the sun reaching the earth s surface as a result of reflection from increasing amounts of particulate matter, such as soot, dust, etc., in the… …   Australian English dictionary

  • global dimming —   the term to describe the blocking and/or scattering of insolation by particulate matter in the atmosphere, both natural (e.g. volcanic ash) and due to human activity (e.g. burning coal) …   Geography glossary

  • Global warming controversy — refers to a variety of disputes, significantly more pronounced in the popular media than in the scientific literature,[1][2] regarding the nature, causes, and consequences of global warming. The disputed issues involve the causes of increased… …   Wikipedia

  • Global cooling — in general can refer to an overall cooling of the Earth. In this article it refers primarily to a conjecture during the 1970s of imminent cooling of the Earth s surface and atmosphere along with a posited commencement of glaciation. This… …   Wikipedia

  • Global warming — This article is about the change in climate Earth is currently experiencing. For general discussion of how Earth s climate can change, see Climate change …   Wikipedia

  • Global climate model — AGCM redirects here. For Italian competition regulator, see Autorità Garante della Concorrenza e del Mercato. Climate models are systems of differential equations based on the basic laws of physics, fluid motion, and chemistry. To “run” a model,… …   Wikipedia


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