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From:Biogeosciences (Vol. 19, Issue 3) Peer-ReviewedOur understanding of the biogeochemical cycling of the climate-relevant trace gas dimethyl sulfide (DMS) in the Peruvian upwelling system is still limited. Here we present oceanic and atmospheric DMS measurements which...
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From:Biogeosciences (Vol. 16, Issue 22) Peer-ReviewedByline: Hermann W. Bange, Chun Hock Sim, Daniel Bastian, Jennifer Kallert, Annette Kock, Aazani Mujahid, Moritz Müller To access, purchase, authenticate, or subscribe to the full-text of this article, please visit...
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From:Ocean Science (Vol. 16, Issue 1) Peer-ReviewedNitric oxide (NO) is a short-lived intermediate of the oceanic nitrogen cycle. However, our knowledge about its production and consumption pathways in oceanic environments is rudimentary. In order to decipher the major...
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From:Biogeosciences (Vol. 17, Issue 13) Peer-ReviewedCoastal areas contribute significantly to the emissions of methane (CH.sub.4) from the ocean. In order to decipher its temporal variability in the whole water column, dissolved CH.sub.4 was measured on a monthly basis at...
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From:Biogeosciences (Vol. 18, Issue 6) Peer-ReviewedDimethyl sulfide (DMS), dimethylsulfoniopropionate (DMSP) and dimethyl sulfoxide (DMSO) were measured at the Boknis Eck Time Series Station (BE, Eckernförde Bay, SW Baltic Sea) during the period February 2009-December...
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From:Biogeosciences (Vol. 16, Issue 20) Peer-Reviewed
Nitrous oxide (N.sub.2 O) is a potent greenhouse gas, and it is involved in stratospheric ozone depletion. Its oceanic production is mainly influenced by dissolved nutrient and oxygen (O.sub.2) concentrations in the...
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From:Biogeosciences (Vol. 13, Issue 5) Peer-ReviewedO.sub.2 deficient zones (ODZs) of the world's oceans are important locations for microbial dissimilatory nitrate (NO.sub.3 .sup.-) reduction and subsequent loss of combined nitrogen (N) to biogenic N.sub.2 gas. ODZs are...
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From:Biogeosciences (Vol. 13, Issue 10) Peer-ReviewedMesoscale eddies play a major role in controlling ocean biogeochemistry. By impacting nutrient availability and water column ventilation, they are of critical importance for oceanic primary production. In the eastern...
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From:Biogeosciences (Vol. 16, Issue 11) Peer-Reviewed
The coastal upwelling regime off Peru in December 2012 showed considerable vertical concentration gradients of dissolved nitrous oxide (N.sub.2 O) across the top few meters of the ocean. The gradients were...
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From:Biogeosciences (Vol. 17, Issue 4) Peer-ReviewedThe Bay of Bengal (BoB) has long stood as a biogeochemical enigma, with subsurface waters containing extremely low, but persistent, concentrations of oxygen in the nanomolar range which - for some, yet unconstrained,...
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From:Biogeosciences (Vol. 16, Issue 22) Peer-ReviewedNitric oxide (NO) is a short-lived compound of the marine nitrogen cycle; however, our knowledge about its oceanic distribution and turnover is rudimentary. Here we present the measurements of dissolved NO in the surface...
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From:Biogeosciences (Vol. 15, Issue 19) Peer-Reviewed
Large-scale climatic forcing is impacting oceanic biogeochemical cycles and is expected to influence the water-column distribution of trace gases, including methane and nitrous oxide. Our ability as a scientific...
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From:Nature (Vol. 408, Issue 6810) Peer-ReviewedAuthor(s): Hermann W. Bange (corresponding author) The gas nitrous oxide (N2 O) influences the Earth's climate both directly and indirectly. Occurring at trace levels in the atmosphere, most of the gas comes from...
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From:Ocean Science (Vol. 15, Issue 6) Peer-ReviewedThe flow (flux) of climate-critical gases, such as carbon dioxide (CO.sub.2 ), between the ocean and the atmosphere is a fundamental component of our climate and an important driver of the biogeochemical systems within...
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From:Biogeosciences (Vol. 13, Issue 12) Peer-ReviewedRecent modeling results suggest that oceanic oxygen levels will decrease significantly over the next decades to centuries in response to climate change and altered ocean circulation. Hence, the future ocean may...
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From:Marine Biology (Vol. 160, Issue 8) Peer-ReviewedOcean acidification is elicited by anthropogenic carbon dioxide emissions and resulting oceanic uptake of excess C[O.sub.2] and might constitute an abiotic stressor powerful enough to alter marine ecosystem structures....
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From:Ocean Science (Vol. 13, Issue 4) Peer-ReviewedWe developed a new method for the determination of dissolved nitric oxide (NO) in discrete seawater samples based on the combination of a purge-and-trap setup and a fluorometric detection of NO. 2,3-diaminonaphthalene...
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From:Biogeosciences (Vol. 17, Issue 8) Peer-ReviewedOxygen-deficient zones (ODZs) are major sites of net natural nitrous oxide (N.sub.2 O) production and emissions. In order to understand changes in the magnitude of N.sub.2 O production in response to global change,...
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From:Biogeosciences (Vol. 13, Issue 4) Peer-ReviewedRecent observations in the eastern tropical South Pacific (ETSP) have shown the key role of meso- and submesoscale processes (e.g. eddies) in shaping its hydrographic and biogeochemical properties. Off Peru,...
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From:Biogeosciences (Vol. 14, Issue 6) Peer-ReviewedCoastal seas may account for more than 75 % of global oceanic methane emissions. There, methane is mainly produced microbially in anoxic sediments from which it can escape to the overlying water column. Aerobic methane...