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GLOBAL BIOGEOCHEMICAL CYCLES, VOL. 18, GB3013, doi:10.1029/2003GB002193, 2004

Comparison of global climatological maps of sea surface dimethyl sulfide

S. Belviso

Laboratoire des Sciences du Climat et de l'Environnement, Gif-sur-Yvette, France


L. Bopp

Laboratoire des Sciences du Climat et de l'Environnement, Gif-sur-Yvette, France


C. Moulin

Laboratoire des Sciences du Climat et de l'Environnement, Gif-sur-Yvette, France


J. C. Orr

Laboratoire des Sciences du Climat et de l'Environnement, Gif-sur-Yvette, France


T. R. Anderson

Southampton Oceanography Center, Waterfront Campus, University of Southampton, Southampton, UK


O. Aumont

Laboratoire d'Océanographie Dynamique et de Climatologie, Université Pierre et Marie Curie, Paris, France


S. Chu

Climate, Ocean and Sea Ice Modeling Project (COSIM), Los Alamos National Laboratory, Los Alamos, New Mexico, USA


S. Elliott

Climate, Ocean and Sea Ice Modeling Project (COSIM), Los Alamos National Laboratory, Los Alamos, New Mexico, USA


M. E. Maltrud

Climate, Ocean and Sea Ice Modeling Project (COSIM), Los Alamos National Laboratory, Los Alamos, New Mexico, USA


R. Simó

Institut de Ciències del Mar (CMIMA-CSIC), Barcelona, Spain


Abstract

We have examined differences in regional and seasonal variability among seven global climatologies of sea-surface dimethyl sulfide (DMS) concentrations. We found large differences between recent climatologies and that typically used by most atmospheric sulfur models. The relative uncertainty (1σ/mean) in the latitudinal distribution of the annual mean DMS concentration increases from about 50% in tropical and temperate regions to nearly 100% in the high latitudes. We also compared these climatologies to new measurements in the North Atlantic Ocean taken during the 2001 Programme Océan Multidisciplinaire Méso Echelle (POMME) expeditions.

Received 21 November 2003; accepted 19 May 2004; published 21 August 2004.

Keywords: biogeochemistry; DMS; DMSP.

Index Terms: 1635 Global Change: Oceans (4203); 4263 Oceanography: General: Ocean prediction; 4805 Oceanography: Biological and Chemical: Biogeochemical cycles (1615); 4820 Oceanography: Biological and Chemical: Gases.

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Citation: Belviso, S., L. Bopp, C. Moulin, J. C. Orr, T. R. Anderson, O. Aumont, S. Chu, S. Elliott, M. E. Maltrud, and R. Simó (2004), Comparison of global climatological maps of sea surface dimethyl sulfide, Global Biogeochem. Cycles, 18, GB3013, doi:10.1029/2003GB002193.