News tagged with geoscientist

The American 'allergy' to global warming: Why?

(AP) -- Tucked between treatises on algae and prehistoric turquoise beads, the study on page 460 of a long-ago issue of the U.S. journal Science drew little attention.

Space & Earth / Environment

created Sep 24, 2011 | popularity 3.7 / 5 (28) | comments 97

Ancient ocean chemistry: Effects of biological oxygen production 100 million years before it accumulated in atmosphere

(PhysOrg.com) -- Scientists widely accept that around 2.4 billion years ago, the Earth's atmosphere underwent a dramatic change when oxygen levels rose sharply. Called the "Great Oxidation Event" (GOE), the ...

Space & Earth / Earth Sciences

created Oct 29, 2009 | popularity 4.7 / 5 (15) | comments 4

Onstott's discovery of worms in Earth's depths raises questions about life in space

After digging holes in the Earth's crust for nearly two decades, Princeton University geoscientist Tullis Onstott is now making headlines for unearthing "worms from hell."

Space & Earth / Space Exploration

created Jul 12, 2011 | popularity 5 / 5 (11) | comments 7 | with audio podcast

Ocean's journey towards the center of the Earth

A Monash geoscientist and a team of international researchers have discovered the existence of an ocean floor was destroyed 50 to 20 million years ago, proving that New Caledonia and New Zealand are geographically ...

Space & Earth / Earth Sciences

created Mar 05, 2009 | popularity 4.5 / 5 (10) | comments 2

Monsoons spinning the Earth's plates: study

(PhysOrg.com) -- Scientists have for the first time shown a link between intensifying climate events and tectonic plate movement in findings that could provide a valuable insight into why huge tremors occur.

Space & Earth / Earth Sciences

created Apr 13, 2011 | popularity 3.2 / 5 (13) | comments 9 | with audio podcast

Scientists find evidence of Roman period megadrought

A new study at the UA's Laboratory of Tree-Ring Research has revealed a previously unknown multi-decade drought period in the second century A.D. The findings give evidence that extended periods of aridity ...

Space & Earth / Earth Sciences

created Nov 04, 2011 | popularity 3.7 / 5 (11) | comments 6 | with audio podcast

Scientists Return from Expedition to Drill Beneath Frozen Russian Lake

(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 ...

Space & Earth / Earth Sciences

created May 28, 2009 | popularity 4.7 / 5 (7) | comments 0

Something odd is happening with Namibia's weather

Something's up with the weather in Namibia, say geoscientists Kyle Nichols of Skidmore College in Saratoga Springs, N.Y., and Paul Bierman of the University of Vermont in Burlington, Vt.

Space & Earth / Environment

created Sep 14, 2011 | popularity 4.7 / 5 (6) | comments 1

Researchers find rare life in Pacific ocean's depths

(PhysOrg.com) -- A joint research group of U.S. and Japanese geoscientists, including a team from UT Dallas, has discovered a system of hydrothermal vents teeming with life three miles below the surface of ...

Space & Earth / Earth Sciences

created Feb 23, 2012 | popularity 4.2 / 5 (6) | comments 0 | with audio podcast

Stalagmites in Northeast Brazilian Caves Confirm 9,000-Year Model of Diminishing Rainfall

(PhysOrg.com) -- Until recently, researchers studying climate history in Brazil’s dry Nordeste region expected it to have wet and dry periods similar to the rest of South America. But over the past 9,000 years, ...

Space & Earth / Earth Sciences

created Feb 25, 2009 | popularity 4.8 / 5 (4) | comments 0

US sets drought monitor's 'exceptional drought' record in July

The percent of contiguous U.S. land area experiencing exceptional drought in July reached the highest levels in the history of the U.S. Drought Monitor, an official at the National Drought Mitigation Center at the University ...

Space & Earth / Environment

created Aug 01, 2011 | popularity 3.7 / 5 (3) | comments 0

Return of the dust bowl: Geoscientists predict a dry, dusty future for the American West

Haboobs, giant dust storms, walloped Arizona last summer — some close to 2 kilometers high and 160 kilometers wide — knocking out electricity, creating traffic jams and grounding airplanes. Even old-timers say they ...

Space & Earth / Earth Sciences

created Nov 03, 2011 | popularity 5 / 5 (2) | comments 0

Impact of warming climate doesn't always translate to streamflow

An analysis of 35 headwater basins in the United States and Canada found that the impact of warmer air temperatures on streamflow rates was less than expected in many locations, suggesting that some ecosystems may be resilient ...

Space & Earth / Environment

created Apr 06, 2012 | popularity 5 / 5 (2) | comments 0

Hold the salt: Coastal drinking water more vulnerable to water use than climate change

(PhysOrg.com) -- Human activity is likely a greater threat to coastal groundwater used for drinking water supplies than rising sea levels from climate change, according to a study conducted by geoscientists from the University ...

Space & Earth / Environment

created Feb 21, 2012 | popularity 5 / 5 (1) | comments 0