Modeling dimethylsulphide production in the upper ocean.

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Title Modeling dimethylsulphide production in the upper ocean.
Author Cropp, Roger Allan; Norbury, John; Gabric, Albert Jerome; Braddock, Roger David
Journal Name Global Biogeochemical Cycles
Editor Meinrat O Andreae (Editor-in-Chief)
Year Published 2004
Place of publication United States
Publisher American Geophysical Union
Abstract Dimethylsulphide (DMS) is produced by upper ocean ecosystems and emitted to the atmosphere, where it may have an important role in climate regulation. Several attempts to quantify the role of DMS in climate change have been undertaken in modeling studies. We examine a model of biogenic DMS production and describe its endogenous dynamics and sensitivities. We extend the model to develop a one-dimensional version that more accurately resolves the important processes of the mixed layer in determining the ecosystem dynamics. Comparisons of the results of the one-dimensional model with an empirical relationship that describes the global distribution of DMS, and also with vertical profiles of DMS in the upper ocean measured at the Bermuda Atlantic Time Series, suggest that the model represents the interaction between the biological and physical processes well on local and global scales. Our analysis of the model confirms its veracity and provides insights into the important processes determining DMS concentration in the oceans.
Peer Reviewed Yes
Published Yes
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Copyright Statement Copyright 2004 American Geophysical Union. Reproduced in accordance with the copyright policy of the publisher. This journal is available online: use hypertext links.
Volume 18
Issue Number 3
Page from 1
Page to 21
ISSN 0886-6236
Date Accessioned 2005-03-22
Language en_AU
Research Centre Australian Rivers Institute
Faculty Faculty of Environmental Sciences
Subject PRE2009-Simulation and Modelling
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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