Global analysis of the controls on seawater dimethylsulfide spatial variability

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Abstract < a. Our global analysis suggests that both physical and biogeochemical processes play an equally important role in controlling DMS variability, which is in contrast with previous results based on data from the low to mid-latitudes. The explanatory power of sea surface height anomalies indicates the importance of mesoscale eddies in driving DMS variability, previously unrecognised at a global scale and in agreement with recent regional studies. DMS VLS differs regionally, including surprisingly high-frequency variability in low-latitude waters. Our results independently confirm that relationships used in the literature to parameterise DMS at large scales appear to be considering the right variables. However, regional DMS VLS contrasts highlight that important driving mechanisms remain elusive. The role of submesoscale features should be resolved or accounted for in DMS process models and parameterisations. Future attempts to map DMS distributions should consider the length scale of variability.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Global analysis of the controls on seawater dimethylsulfide spatial variability ; volume:20 ; number:9 ; year:2023 ; pages:1813-1828 ; extent:16
Biogeosciences ; 20, Heft 9 (2023), 1813-1828 (gesamt 16)

Creator: Manville, George
Bell, Thomas G.
Mulcahy, Jane P.
Simó, Rafel
Galí, Martí
Mahajan, Anoop S.
Hulswar, Shrivardhan
Halloran, Paul R.

DOI: 10.5194/bg-20-1813-2023

URN: urn:nbn:de:101:1-2023051804203046047399

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 14.08.2025, 10:56 AM CEST

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Manville, George
Bell, Thomas G.
Mulcahy, Jane P.
Simó, Rafel
Galí, Martí
Mahajan, Anoop S.
Hulswar, Shrivardhan
Halloran, Paul R.

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