News tagged with atmospheric circulation

Earth's most prominent rainfall feature creeping northward

Space & Earth / Earth Sciences

Jul 01, 2009 | 4.4 / 5 (12) | 3

The rain band near the equator that determines the supply of freshwater to nearly a billion people throughout the tropics and subtropics has been creeping north for more than 300 years, probably because of ...

New instrument has potential to detect water deep underground on Mars (w/ Video)

Space & Earth / Space Exploration

Jun 24, 2009 | 4.7 / 5 (3) | 1

(PhysOrg.com) -- With the whoosh of compressed gas and the whir of unspooling wire, a team of Boulder scientists and engineers tested a new instrument prototype that might be used to detect groundwater deep ...

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

Space & Earth / Earth Sciences

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

(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, ...

Oceans absorbing carbon dioxide more slowly, scientist finds

Space & Earth / Earth Sciences

Nov 24, 2009 | 3 / 5 (4) | 8

The world's oceans are absorbing less carbon dioxide (CO2), a Yale geophysicist has found after pooling data taken over the past 50 years. With the oceans currently absorbing over 40 percent of the CO2 emitted by human activity, ...

Oceans' uptake of manmade carbon may be slowing

Space & Earth / Earth Sciences

Nov 18, 2009 | 3.8 / 5 (23) | 10

The oceans play a key role in regulating climate, absorbing more than a quarter of the carbon dioxide that humans put into the air. Now, the first year-by-year accounting of this mechanism during the industrial ...

Satellite imagery confirms Ida's low is finally moving away from the east coast

Space & Earth / Earth Sciences

Nov 13, 2009 | not rated yet | 0

Satellite imagery and weather ground station readings today along the Mid-Atlantic indicate "Ida the coastal low pressure area" is finally moving away from the U.S. east coast.

NASA sees high thunderstorms in newly formed Tropical Cyclone 4A near India

Space & Earth / Earth Sciences

Nov 10, 2009 | 5 / 5 (1) | 0

Tropical Cyclone 4A formed yesterday, November 10 off the western coast of India in the Arabian Sea, and NASA's infrared imagery captured some high, powerful thunderstorms developing in the storm's center.

NASA satellites see Ida spreading out before landfall

Space & Earth / Earth Sciences

Nov 09, 2009 | 3 / 5 (1) | 0

NASA's Aqua and Terra satellites are keeping a close eye on Tropical Storm Ida, and both have instruments aboard that show her clouds and rains are already widespread inland over the U.S. Gulf coast states. ...

NASA satellites make a movie and get rainfall, wind info on Ida (w/ Video)

Space & Earth / Earth Sciences

Nov 09, 2009 | not rated yet | 0

NASA satellites are amazing examples of technology. The TRMM satellite peers into tropical cyclones and can tell how much rain is falling per hour and where. QuikScat uses microwave technology to measure Ida's ...

Texas A&M prof to predict weather on Mars

Space & Earth / Space Exploration

Nov 04, 2009 | not rated yet | 0

Is there such a thing as "weather" on Mars? There are some doubts, considering the planet's atmosphere is only 1 percent as dense as that of the Earth. Mars, however, definitely has clouds, drastically low temperatures and ...

Iron controls patterns of nitrogen fixation in the Atlantic

Space & Earth / Earth Sciences

Nov 02, 2009 | 4 / 5 (1) | 0

Scientists including researchers from the National Oceanography Centre, Southampton and the University of Essex have discovered that interactions between iron supply, transported through the atmosphere from ...

SMOS, Proba-2: Two new ESA satellites successfully lofted into orbit (w/ Video)

Space & Earth / Space Exploration

Nov 02, 2009 | 4.7 / 5 (3) | 0

(PhysOrg.com) -- The second satellite in ESA's Earth Explorer series - the Soil Moisture and Ocean Salinity (SMOS) mission - and the second demonstration satellite under ESA's Project for Onboard Autonomy ...

Snail fossils suggest semiarid eastern Canary Islands were wetter 50,000 years ago

Space & Earth / Earth Sciences

Oct 27, 2009 | 2.5 / 5 (2) | 0

Fossil land snail shells found in ancient soils on the subtropical eastern Canary Islands show that the Spanish archipelago off the northwest coast of Africa has become progressively drier over the past 50,000 years.

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