Diatom ooze—a large marine mercury sink
WebThey found out that microalgae (diatoms) accumulate high amounts of mercury in marine sediments and reveal onset and extent of global anthropogenic mercury emissions. … WebThe silica cycle is the biogeochemical cycle in which biogenic silica is transported between the Earth's systems. Silicon is considered a bioessential element and is one of the most abundant elements on Earth. The silica cycle has significant overlap with the carbon cycle (see carbonate–silicate cycle) and plays an important role in the sequestration of carbon …
Diatom ooze—a large marine mercury sink
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WebAbstract. The role of algae for sequestration of atmospheric mercury in the ocean is largely unknown owing to a lack of marine sediment data. We used high-resolution cores from … WebJan 31, 2024 · Diatom ooze—A large marine mercury sink journal, July 2024. Zaferani, Sara; Pérez-Rodríguez, Marta; Biester, Harald; Science, Vol. 361, Issue 6404; ... despite the presence of large quantities of IHg in cell cultures, MeHg biosynthesis often reaches a plateau or a maximum within hours or a day by an as yet unexplained mechanism.
WebDiatom ooze—A large marine mercury sink. Article. Full-text available. Jul 2024; Sara Zaferani; Marta Pérez-Rodríguez; Harald Biester; Mercury sinking Mercury is a highly toxic, globally ... WebMay 26, 2024 · Zaferani S, et al. Diatom ooze: A large marine mercury sink. Science. 2024; 361:797–800. doi: 10.1126/science.aat2735. [Google Scholar] 16. Sattarova VV, Aksentov KI. Geochemistry of mercury in surface sediments of the Kuril Basin of the Sea of Okhotsk, Kuril-Kamchatka Trench and adjacent abyssal plain and northwest part of the …
WebDiatom ooze sediments are a large marine mercury sink Sediments reveal mercury pollution in Antarctica since the beginning of the industrial period Mercury has been used and released by humans by multiple processes such as gold and silver mining and emissions of mercury to the atmosphere by coal burning, to name the most important ones. WebAug 24, 2024 · We used high-resolution cores from marine Antarctica to estimate Holocene global mercury accumulation in biogenic siliceous sediments (diatom ooze). Diatom ooze …
WebFeb 27, 2024 · The geochemical speciation of total mercury (THg) was examined in pre-1800 Arctic lake sediments to improve understanding of the factors controlling “natural baseline” THg. Solid-phase binding forms of THg were determined by sequential extraction of dated cores from three lakes in different ecozones (barren tundra, grassy tundra, and …
WebJul 30, 2024 · Scientists from Technical University of Braunschweig, Germany, investigated cores of biogenic sediments from marine Antarctica for accumulation of mercury in the past 8.000 years. They found out that … irion county tx gisWebWe used high-resolution cores from marine Antarctica to estimate Holocene global mercury accumulation in biogenic siliceous sediments (diatom ooze). Diatom ooze exhibits the … irion furniture companyWebAug 24, 2024 · Diatom ooze—A large marine mercury sink. contentNavigation.previous.default. NEXT ARTICLE. Large-scale ocean deoxygenation during the Paleocene-Eocene Thermal Maximum. contentNavigation.next.default. Open in viewer. GO TO. GO TO. Show all references. Request permissions Expand All. … irion county tx high school footballWebThe shaded area in (A) denotes the industrial period. from publication: Diatom ooze—A large marine mercury sink Mercury sinking Mercury is a highly toxic, globally ubiquitous pollutant that ... irion gmbh bad teinachWebJul 26, 2024 · Abstract. The role of algae for sequestration of atmospheric mercury in the ocean is largely unknown owing to a lack of marine sediment data. We used high … irion gunshopWebAug 1, 2024 · The environmental geochemistry group at the Institute of Geoecology at TU Braunschweig under direction of Prof Harald Biester has investigated marine bottom sediments which consist mainly of diatom remains (diatom ooze) for the historical accumulation of mercury. Those so called diatom ooze sediments are a result of algae … irion isdWebJul 26, 2016 · Diatom ooze—A large marine mercury sink. Science, Vol. 361, Issue. 6404, p. 797. CrossRef; Google Scholar; ... Local marine reservoir age variability at Luzon Strait in the South China Sea during the Holocene. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Vol. 455, … pork chops and pasta recipes easy