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, 308 (5723), 847-50

From Dimming to Brightening: Decadal Changes in Solar Radiation at Earth's Surface

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From Dimming to Brightening: Decadal Changes in Solar Radiation at Earth's Surface

Martin Wild et al. Science.

Abstract

Variations in solar radiation incident at Earth's surface profoundly affect the human and terrestrial environment. A decline in solar radiation at land surfaces has become apparent in many observational records up to 1990, a phenomenon known as global dimming. Newly available surface observations from 1990 to the present, primarily from the Northern Hemisphere, show that the dimming did not persist into the 1990s. Instead, a widespread brightening has been observed since the late 1980s. This reversal is reconcilable with changes in cloudiness and atmospheric transmission and may substantially affect surface climate, the hydrological cycle, glaciers, and ecosystems.

Comment in

  • Atmospheric science. In search of balance.
    Charlson RJ, Valero FP, Seinfeld JH. Charlson RJ, et al. Science. 2005 May 6;308(5723):806-7. doi: 10.1126/science.1108162. Science. 2005. PMID: 15879202 No abstract available.

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