Search Results - "van der Loeff, M Rutgers"
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The Weddell Gyre, Southern Ocean: Present Knowledge and Future Challenges
Published in Reviews of geophysics (1985) (01-09-2019)“…The Weddell Gyre (WG) is one of the main oceanographic features of the Southern Ocean south of the Antarctic Circumpolar Current which plays an influential…”
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Benthic organic carbon flux and oxygen penetration reflect different plankton provinces in the Southern Ocean
Published in Deep-sea research. Part I, Oceanographic research papers (01-08-2009)“…For the investigation of organic carbon fluxes reaching the seafloor, oxygen microprofiles were measured at 145 sites in different sub-regions of the Southern…”
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The 79°N Glacier cavity modulates subglacial iron export to the NE Greenland Shelf
Published in Nature communications (24-05-2021)“…Approximately half of the freshwater discharged from the Greenland and Antarctic Ice Sheets enters the ocean subsurface as a result of basal ice melt, or…”
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Decrease in 230Th in the Amundsen Basin since 2007: far-field effect of increased scavenging on the shelf?
Published in Ocean science (01-01-2020)“…This study provides dissolved and particulate 230Th and 232Th results as well as particulate 234Th data collected during expeditions to the central Arctic…”
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Organic Fe speciation in the Eurasian Basins of the Arctic Ocean and its relation to terrestrial DOM
Published in Marine chemistry (20-12-2017)“…The bio-essential trace metal iron (Fe) has poor inorganic solubility in seawater, and therefore dissolution is dependent on organic complexation. The Arctic…”
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How well does wind speed predict air‐sea gas transfer in the sea ice zone? A synthesis of radon deficit profiles in the upper water column of the Arctic Ocean
Published in Journal of geophysical research. Oceans (01-05-2017)“…We present 34 profiles of radon‐deficit from the ice‐ocean boundary layer of the Beaufort Sea. Including these 34, there are presently 58 published…”
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Radium-based pore water fluxes of silica, alkalinity, manganese, DOC, and uranium: A decade of studies in the German Wadden Sea
Published in Geochimica et cosmochimica acta (01-11-2011)“…A decade of studies of metal and nutrient inputs to the back-barrier area of Spiekeroog Island, NW German Wadden Sea, have concluded that pore water discharge…”
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Low export flux of particulate organic carbon in the central Arctic Ocean as revealed by 234Th:238U disequilibrium
Published in Journal of Geophysical Research: Oceans (01-10-2010)“…The loss of Arctic sea ice has accelerated in recent years. With the decline in sea ice cover, the Arctic Ocean biogeochemistry is undergoing unprecedented…”
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Dissolved, Labile, and Total Particulate Trace Metal Dynamics on the Northeast Greenland Shelf
Published in Global biogeochemical cycles (01-12-2022)“…We present high‐resolution profiles of dissolved, labile, and total particulate trace metals (TMs) on the Northeast Greenland shelf from GEOTRACES cruise GN05…”
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Alpha radiation from polymetallic nodules and potential health risks from deep-sea mining
Published in Scientific reports (17-05-2023)“…In search for critical elements, polymetallic nodules at the deep abyssal seafloor are targeted for mining operations. Nodules efficiently scavenge and retain…”
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Dissolved Cd, Co, Cu, Fe, Mn, Ni, and Zn in the Arctic Ocean
Published in Journal of geophysical research. Oceans (01-09-2021)“…During the Polarstern (PS94) expedition, summer 2015, part of the international GEOTRACES program, sources and sinks of dissolved (D) Cd, Co, Cu, Fe, Mn, Ni,…”
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Importance of Hydrothermal Vents in Scavenging Removal of 230Th in the Nansen Basin
Published in Geophysical research letters (16-10-2018)“…In this study we present dissolved and particulate 230Th and 232Th results, as well as particulate 234Th data, obtained as part of the GEOTRACES central Arctic…”
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First 236U data from the Arctic Ocean and use of 236U/238U and 129I/236U as a new dual tracer
Published in Earth and planetary science letters (01-04-2016)“…The first dataset of 236U/238U in the water column of the Arctic Ocean (AO) is presented and shows the widest range of ratios reported so far in the open…”
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Dating Deep‐Sea Sediments With 230Th Excess Using a Constant Rate of Supply Model
Published in Paleoceanography and paleoclimatology (01-12-2019)“…We present a dating method for deep‐sea sediments that uses the natural radionuclide 230Th (half‐life 75,380 years) in analogy to 210Pb with the constant rate…”
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Fractionation of 230Th, 231Pa, and 10Be induced by particle size and composition within an opal-rich sediment of the Atlantic Southern Ocean
Published in Geochimica et cosmochimica acta (15-11-2011)“…This study centers on the question: How sensitive are 231Pa/ 230Th and 10Be/ 230Th to sediment composition and redistribution? The natural radionuclides 231Pa,…”
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Carbon export fluxes and export efficiency in the central Arctic during the record sea‐ice minimum in 2012: a joint 234Th/238U and 210Po/210Pb study
Published in Journal of geophysical research. Oceans (01-07-2016)“…The Arctic sea‐ice extent reached a record minimum in September 2012. Sea‐ice decline increases the absorption of solar energy in the Arctic Ocean, affecting…”
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Shelf-basin exchange times of Arctic surface waters estimated from 228Th/228Ra disequilibrium
Published in Journal of Geophysical Research: Oceans (01-03-2012)“…The transpolar drift is strongly enriched in 228Ra accumulated on the wide Arctic shelves with subsequent rapid offshore transport. We present new data of…”
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The influence of sea ice cover on air-sea gas exchange estimated with radon-222 profiles
Published in Journal of geophysical research. Oceans (01-05-2014)“…Air‐sea gas exchange plays a key role in the cycling of greenhouse and other biogeochemically important gases. Although air‐sea gas transfer is expected to…”
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A two-tracer ( 210Po– 234Th) approach to distinguish organic carbon and biogenic silica export flux in the Antarctic Circumpolar Current
Published in Deep-sea research. Part I, Oceanographic research papers (2002)“…We attempt to quantify and qualify the particle export from the surface water of the Antarctic Circumpolar Current during a spring phytoplankton bloom by the…”
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Arctic – Atlantic Exchange of the Dissolved Micronutrients Iron, Manganese, Cobalt, Nickel, Copper and Zinc With a Focus on Fram Strait
Published in Global biogeochemical cycles (01-05-2022)“…The Arctic Ocean is considered a source of micronutrients to the Nordic Seas and the North Atlantic Ocean through the gateway of Fram Strait (FS). However,…”
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