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Latest Pelagic sediments Stories

2013-08-23 10:52:41

Researchers report discovery in Science about manganese in aquatic environments An often-overlooked form of manganese, an element critical to many life processes, is far more prevalent in ocean environments than previously known, according to a study led by University of Delaware researchers that was published this week in "Science." The discovery alters understanding of the chemistry that moves manganese and other elements, like oxygen and carbon, through the natural world. Manganese...

2011-02-22 14:17:03

Research published today reveals the previously unidentified role that fish play in the production of sediments in the world's oceans, and specifically of the carbonate sediments that contain critical records of changes in ocean chemistry and climate shifts in the geological past. The discovery, made by a team of scientists from the UK and US, helps explain the origins of a key component of marine sediments "“ the fine-grained carbonates, the origins of which are often problematic to...

2009-07-09 09:21:18

New evidence for ice-free summers with intermittent winter sea ice in the Arctic Ocean during the Late Cretaceous "“ a period of greenhouse conditions - gives a glimpse of how the Arctic is likely to respond to future global warming.Records of past environmental change in the Arctic should help predict its future behaviour. The Late Cretaceous, the period between 100 and 65 million years ago leading up to the extinction of the dinosaurs, is crucial in this regard because levels of...


Word of the Day
lunula
  • A small crescent-shaped structure or marking, especially the white area at the base of a fingernail that resembles a half-moon.
This word is a diminutive of the Latin 'luna,' moon.
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