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Strong Relationship between DMS and the Solar Radiation Dose over the Global Surface Ocean

Sergio M. Vallina and Rafel Simó
Science
New Series, Vol. 315, No. 5811 (Jan. 26, 2007), pp. 506-508
Stable URL: http://www.jstor.org/stable/20038838
Page Count: 3
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Abstract

Marine biogenic dimethylsulfide (DMS) is the main natural source of tropospheric sulfur, which may play a key role in cloud formation and albedo over the remote ocean. Through a global data analysis, we found that DMS concentrations are highly positively correlated with the solar radiation dose in the upper mixed layer of the open ocean, irrespective of latitude, plankton biomass, or temperature. This is a necessary condition for the feasibility of a negative feedback in which light-attenuating DMS emissions are in turn driven by the light dose received by the pelagic ecosystem.

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