WebAug 24, 2024 · Diatom ooze—A large marine mercury sink. Download PDF. BY; Sara Zaferani; Marta Pérez-Rodríguez; Harald Biester; 24 Aug 2024: 797-800; FULL ACCESS; A large fraction of mercury emitted into the environment ends up in biogenic marine sediments. Abstract. WebJan 8, 2024 · Volcanic activity associated with the emplacement of Large Igneous Provinces (LIPs) has been linked to most Phanerozoic extinctions/episodes of major environmental change. In recent years, mercury (Hg) enrichments and elevated mercury/total organic carbon (Hg/TOC) ratios have been increasingly utilized as a marker of volcanism in …

Diatom ooze—A large marine mercury sink - Semantic …

WebAug 1, 2024 · With their analyses the scientists can show for the first time that diatom ooze accumulates large amounts of mercury in deep ocean sediments. Mercury accumulation … WebMercury 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 … computer freezes when opening download folder

Silica cycle - Wikipedia

WebAug 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 … WebJul 30, 2024 · They found out that microalgae (diatoms) accumulate high amounts of mercury in marine sediments and reveal onset and extent of global anthropogenic mercury emissions. Atmospheric derived mercury … WebWe estimated Holocene global mercury accumulation in biogenic siliceous sediments (diatom ooze) based on high resolution cores from marine Antarctica. Diatom ooze … computer freezes when opening programs