News tagged with lake sediment
Arctic lake sediments show warming, unique ecological changes in recent decades
Space & Earth / Earth Sciences
Oct 19, 2009 |
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An analysis of sediment cores indicates that biological and chemical changes occurring at a remote Arctic lake are unprecedented over the past 200,000 years and likely are the result of human-caused climate ...
The first evidence of pre-industrial mercury pollution in the Andes
May 18, 2009 |
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The study of ancient lake sediment from high altitude lakes in the Andes has revealed for the first time that mercury pollution occurred long before the start of the Industrial Revolution.
Scientist uses sedimentary record to uncover planet's past
Space & Earth / Earth Sciences
Feb 27, 2009 |
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(PhysOrg.com) -- The wind barreled across the ice at Daily Lake as Montana State University paleoecologist Cathy Whitlock and three students used all their strength to pull a metal pipe out of the mucky lake ...
Search results for lake sediment
Glacial melting may release pollutants in the environment
Oct 21, 2009 |
2.2 / 5 (5) |
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Those pristine-looking Alpine glaciers now melting as global warming sets in may explain the mysterious increase in persistent organic pollutants in sediment from certain lakes since the 1990s, despite decreased ...
Digging deeper below Antarctica's Lake Vida
Space & Earth / Earth Sciences
Sep 14, 2009 |
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(PhysOrg.com) -- Antarctica's Lake Vida, a geologic curiosity that is essentially an ice bottle of brine, is home to some of the oldest and coldest living organisms on Earth. Perpetually covered by more than 60 feet of ice, ...
Testing begins to save legendary Vietnam turtle
Jun 13, 2009 |
3.5 / 5 (2) |
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Researchers have begun testing mechanical "SediTurtles" they say will protect a legendary Vietnamese turtle while cleaning the historical lake in which the creature lives.
Professor hatches century-old eggs to study evolution
Jul 17, 2009 |
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(PhysOrg.com) -- Suspending a life in time is a theme that normally finds itself in the pages of science fiction, but now such ideas have become a reality in the annals of science.
Lake sediments help scientists trace 7,000 years of mining, metal use in China
Other Sciences / Archaeology & Fossils
Jun 16, 2008 |
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A new geochemical study illuminates 7,000 years of mining and metal use in central China and links these trends to fluctuations in airborne pollution during the Bronze Age and other military and industrial ...
Boston Hurricane Frequency Over Last Millennium Linked To Ocean Surface Temperatures
Space & Earth / Earth Sciences
Aug 01, 2008 |
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(PhysOrg.com) -- The frequency of hurricanes striking the Boston area has varied widely over the last millennium, with periods of lowest activity corresponding to cooler surface temperatures in the tropical North Atlantic ...
Scientists Return from Expedition to Drill Beneath Frozen Russian Lake
Space & Earth / Earth Sciences
May 28, 2009 |
4.7 / 5 (7) |
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(PhysOrg.com) -- A team of scientists from the United States, Germany, Russia and Austria has just returned from a six-month drilling expedition to a frozen lake in Siberia: Lake El'gygytgyn, "Lake E" for ...
Toxic legacy seeps from melting Alpine glaciers: study
Oct 14, 2009 |
3.7 / 5 (12) |
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Swiss researchers have found that Alpine glaciers melting under the impact of climate change are releasing highly toxic pollutants that had been absorbed by the ice for decades.
Final frontier: Mission to explore buried ancient Antarctic lake given green light
Space & Earth / Earth Sciences
Mar 02, 2009 |
5 / 5 (7) |
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An international team of scientists led by the UK has been given the go-ahead to explore one of the planet's last great frontiers - an ancient lake hidden deep beneath Antarctica's ice sheet. Buried under ...
North America's northernmost lake affected by global warming
Space & Earth / Earth Sciences
Sep 26, 2007 |
3.4 / 5 (5) |
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Analyses conducted by researchers from Université Laval’s Center for Northern Studies reveal that the continent’s northernmost lake is affected by climate change. In an article to be published in the September 28 edition ...
List of search results for lake sediment
