Mercury isotope evidence for regional
Web10 dec. 2024 · Mercury isotopes support the inference that pre-LPME Hg peaks were related to regional subduction-related volcanism, and that Hg emissions at the LPME … WebThe Virtual Health Library is a collection of scientific and technical information sources in health organized, and stored in electronic format in the countries of the Region of Latin …
Mercury isotope evidence for regional
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WebMercury isotopic evidence for the importance of particles as a source of mercury to marine organisms. Laura C. Motta, Joel D. Blum, Brian N. Popp, +4, and Jeffrey C. … WebHg isotope compositions support a volcanic origin and constant provenance for the Hg across the entire interval studied. These features, together with the common occurrence …
Web24 aug. 2024 · Here we investigate Hg isotope variability of Arctic atmospheric, marine, and terrestrial Hg. We observe highly characteristic Hg isotope signatures during the … Web12 aug. 2014 · Hg isotopes can be used to identify multiple anthropogenic inorganic Hg andMMHg sources and determine the degree of photodegradation of MMHg in estuarine …
WebNov 2024 - Jul 20244 years 9 months. Seattle, Washington, United States. • Conducted novel research on mercury in rice paddy soils, a topic with health implications for the world’s billion ... Web19 dec. 2024 · Mercury isotope analysis Approximately 100 g of each ore sample was crushed. Stibnite grains were handpicked under a binocular microscope, and handpicked stibnites in each sample were combined as a sample, which was manually crushed into 150 mesh in an agate mortar prior to chemical analysis.
WebHere, we utilize a high-resolution analytical method to investigate the isotopic composition of mercury (Hg) from a selection of potential Hg sources compared to the composition …
Web10 jan. 2024 · Deposition of atmospheric mercury (Hg) is the most important Hg source on the high-altitude Himalayas and Tibetan Plateau. Herein, total gaseous Hg (TGM) at an urban and a forest site on the Tibeta... The study revealed two patterns of transboundary transport of atmospheric mercury to the Tibetan Plateau shaped by landforms and climates lanko 355Web14 apr. 2024 · The exact drivers for the end-Permian mass extinction (EPME) remain controversial. Here we focus on a ~10,000 yr record from the marine type section at Meishan, China, preceding and covering the ... assillo sinonimiWeb24 aug. 2024 · Mercury isotope signatures in arctic rivers, ocean and atmosphere suggest that permafrost mercury is buried in marine sediment and not emitted to the global … lanko 311Web3 jan. 2024 · For the past decade, mercury (Hg) enrichments and isotopes have been widely used to track volcanic inputs to both marine and terrestrial environments … assilookWeb29 mei 2012 · Mercury (Hg) in wet deposition in the United States is measured as part of the National Atmospheric Deposition Program—Hg Deposition Network (MDN). This … lanko 359Web21 mrt. 2016 · Mercury has seven natural stable isotopes (196, 198, 199, 200, 201, 202 and 204), and our understanding of environmental fate of Hg has been enhanced by … lanko 302Web24 okt. 2024 · Mercury stable isotope tracers were utilized to relate sources of Hg to co-located fish and bed sediments from 23 streams across a forested to urban-industrial … lanko 360