Search results for sediment transport:
UAF chooses shipyard to build Alaska Region Research Vessel
Space & Earth / Earth Sciences
Dec 09, 2009 |
4 / 5 (1) |
0
More than three decades ago, marine scientists in the United States first identified the need for a research vessel capable of bringing scientists to Alaska's icy northern waters.
Absence of evidence for a meteorite impact event 13,000 years ago
Space & Earth / Earth Sciences
Dec 08, 2009 |
4.3 / 5 (15) |
11
An international team of scientists led by researchers at the University of Hawaii at Manoa have found no evidence supporting an extraterrestrial impact event at the onset of the Younger Dryas ~13000 years ...
White, but not pure
Dec 07, 2009 |
4.7 / 5 (3) |
3
Even the snow on Aconcagua Mountain in the Andes is polluted with PCBs. An international team of researchers detected low concentrations of these toxic, carcinogenic chlorine compounds in samples taken from ...
Sea Level Is Rising Along U.S. Atlantic Coast, According to New Data Analysis
Space & Earth / Earth Sciences
Dec 03, 2009 |
3.7 / 5 (13) |
0
(PhysOrg.com) -- An international team of environmental scientists led by the University of Pennsylvania has shown that sea-level rise along the Atlantic Coast of the United States was 2 millimeters faster in the 20th century ...
Tahoe faces new development battle: green vs. green
Dec 03, 2009 |
4 / 5 (2) |
0
As snow begins to blanket Lake Tahoe, the region finds itself facing a new kind of development battle: green vs. green.
Strong regional climatic fluctuations in the tropics
Space & Earth / Earth Sciences
Dec 02, 2009 |
4.7 / 5 (3) |
0
Climatic fluctuations close to the equator show a different pattern to climate change in the Arctic and Antarctic. In the tropics distinct 11500 year fluctuations between wet and dry periods can be clearly identified which ...
'Super-river' formed the English Channel
Space & Earth / Earth Sciences
Dec 02, 2009 |
4.4 / 5 (18) |
0
(PhysOrg.com) -- A team of Anglo-French scientists studying sedimentary deposits in the Bay of Biscay have concluded that Britain and France were separated by a "super-river" during three periods of glaciations, ...
Acid test: Study reveals both losers and winners of CO2-induced ocean acidification
Space & Earth / Earth Sciences
Dec 01, 2009 |
4.3 / 5 (12) |
8
(PhysOrg.com) -- As the world’s seawater becomes more acidic due to rising atmospheric carbon dioxide, some shelled marine creatures may actually become bigger and stronger, according to a new study.
From Greenhouse to Icehouse
Space & Earth / Earth Sciences
Nov 24, 2009 |
4.8 / 5 (12) |
9
A new study that reconstructed ocean temperatures from millions of years ago could provide new insight into how the Earth responds to climate change.
Beyond sunlight: Explorers census 17,650 ocean species between edge of darkness and black abyss (w/ Video)
Nov 22, 2009 |
4.9 / 5 (15) |
0
Census of Marine Life scientists have inventoried an astonishing abundance, diversity and distribution of deep sea species that have never known sunlight - creatures that somehow manage a living in a frigid ...
International expedition investigates climate change, alternative fuels in Arctic
Space & Earth / Earth Sciences
Nov 20, 2009 |
3 / 5 (1) |
1
Scientists from the Marine Biogeochemistry and Geology and Geophysics sections of the Naval Research Laboratory (NRL) organized and led a team of university and government scientists on an Arctic expedition ...
After mastodons and mammoths, a transformed landscape
Space & Earth / Earth Sciences
Nov 19, 2009 |
4.6 / 5 (12) |
1
(PhysOrg.com) -- Roughly 15,000 years ago, at the end of the last ice age, North America's vast assemblage of large animals -- including such iconic creatures as mammoths, mastodons, camels, horses, ground ...
Unique Uranium Source in Naturally Bioreduced Sediment
Nov 18, 2009 |
4 / 5 (4) |
0
(PhysOrg.com) -- A recently published Pacific Northwest National Laboratory study of a naturally bioreduced sediment sample from a former uranium mill tailings site reveals insights that enhance understanding ...
'No muss, no fuss' miniaturized analysis for complex samples developed
Chemistry / Analytical Chemistry
Nov 18, 2009 |
4.7 / 5 (3) |
0
The goal of an integrated, miniaturized laboratory analysis system, also known as a "lab-on-a-chip," is simple: sample in, answer out. However, researchers wanting to use these microfluidic devices to analyze ...
Scientists pinpoint origin of dissolved arsenic in Bangladesh drinking water
Nov 15, 2009 |
4.8 / 5 (21) |
1
Researchers in MIT's Department of Civil and Environmental Engineering believe they have pinpointed a pathway by which arsenic may be contaminating the drinking water in Bangladesh, a phenomenon that has puzzled ...
