News tagged with oceanic sciences

Scientists discover surprise in Earth's upper atmosphere

(PhysOrg.com) -- UCLA atmospheric scientists have discovered a previously unknown basic mode of energy transfer from the solar wind to the Earth's magnetosphere. The research, federally funded by the National ...

Space & Earth / Earth Sciences

created Sep 10, 2009 | popularity 4.6 / 5 (23) | comments 5

Geobiologists propose that the earliest complex organisms fed by absorbing ocean buffet

Research at Virginia Tech has shown that the oldest complex life forms -- living in nutrient-rich oceans more than 540 million years ago - likely fed by osmosis.

Space & Earth / Earth Sciences

created Aug 19, 2009 | popularity 4.2 / 5 (6) | comments 0

Warming ocean contributes to global warming

The warming of an Arctic current over the last 30 years has triggered the release of methane, a potent greenhouse gas, from methane hydrate stored in the sediment beneath the seabed.

Space & Earth / Earth Sciences

created Aug 14, 2009 | popularity 4.4 / 5 (13) | comments 6

Trans-Atlantic Glider Passes Spot Where Predecessor Sank

(PhysOrg.com) -- On July 31, 2009, the submersible robot glider RU27, also known as the Scarlet Knight, passed east of the spot in the Atlantic Ocean where its predecessor, RU17, was lost on Oct. 28, 2008.

Space & Earth / Earth Sciences

created Aug 03, 2009 | popularity 3.5 / 5 (2) | comments 0

Oxidized lava may help explain Earth's evolution

(AP) -- Material from volcanoes where the Earth's plates squeeze together is more oxidized than in regions where the seafloor splits apart, a finding that helps shed light on some of the basic processes in ...

Space & Earth / Earth Sciences

created Jul 30, 2009 | popularity 3.7 / 5 (6) | comments 2

Tidal energy farms influence the natural transport of sands

(PhysOrg.com) -- Tidal stream farms, in which electricity is generated by turbines from regions of strong tidal flow, may influence the natural balance of marine sands, according to research at Bangor University.

Space & Earth / Earth Sciences

created Jul 28, 2009 | popularity 4.7 / 5 (3) | comments 0

'Motion picture' of past warming paves way for snapshots of future climate change

(PhysOrg.com) -- By accurately modeling Earth's last major global warming -- and answering pressing questions about its causes -- scientists led by a University of Wisconsin-Madison climatologist are unraveling ...

Space & Earth / Earth Sciences

created Jul 16, 2009 | popularity 3.6 / 5 (10) | comments 8

Research indicates ocean current shutdown may be gradual

The findings of a major new study are consistent with gradual changes of current systems in the North Atlantic Ocean, rather than a more sudden shutdown that could lead to rapid climate changes in Europe and elsewhere.

Space & Earth / Earth Sciences

created Jul 16, 2009 | popularity 3.9 / 5 (7) | comments 6

Arctic climate under greenhouse conditions in the Late Cretaceous

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 ...

Space & Earth / Earth Sciences

created Jul 09, 2009 | popularity 3.6 / 5 (11) | comments 1

Science adopts a new definition of seawater

The world's peak ocean science body has adopted a new definition of seawater developed by Australian, German and US scientists to make climate projections more accurate.

Space & Earth / Earth Sciences

created Jul 07, 2009 | popularity 2.8 / 5 (4) | comments 0

New type of El Nino could mean more hurricanes make landfall

El Niño years typically result in fewer hurricanes forming in the Atlantic Ocean. But a new study suggests that the form of El Niño may be changing potentially causing not only a greater number of hurricanes ...

Space & Earth / Earth Sciences

created Jul 02, 2009 | popularity 3.3 / 5 (20) | comments 12

Elevated water temperature and acidity boost growth of key sea star species

New research by zoologists at the University of British Columbia indicates that elevated water temperatures and heightened concentrations of carbon dioxide can dramatically increase the growth rate of a keystone species of ...

Biology / Ecology

created Jun 01, 2009 | popularity 5 / 5 (2) | comments 0

Studies shed light on collapse of coral reefs (w/Video)

An explosion of knowledge has been made in the last few years about the basic biology of corals, researchers say in a new report, helping to explain why coral reefs around the world are collapsing and what ...

Space & Earth / Environment

created May 28, 2009 | popularity 3.7 / 5 (3) | comments 0

Scientists document fate of huge oil slicks from seeps at coal oil point

Twenty years ago, the oil tanker Exxon Valdez was exiting Alaska's Prince William Sound when it struck a reef in the middle of the night. What happened next is considered one of the nation's worst environmental ...

Space & Earth / Earth Sciences

created May 13, 2009 | popularity 4.5 / 5 (2) | comments 1

Marine scientists find massive volcanic cone, new deep-sea animal species

Scientists who have just returned from an expedition to an erupting undersea volcano near the Island of Guam report that the volcano appears to be continuously active, has grown considerably in size during ...

Space & Earth / Earth Sciences

created May 05, 2009 | popularity 4.6 / 5 (11) | comments 3