Earth Sciences news

Past climate of the northern Antarctic Peninsular informs global warming debate

Space & Earth / Earth Sciences

Nov 06, 2009 | 2.3 / 5 (6) | 1

The seriousness of current global warming is underlined by a reconstruction of climate at Maxwell Bay in the South Shetland Islands of the Antarctic Peninsula over approximately the last 14,000 years, which ...

Airborne nitrogen shifts aquatic nutrient limitation in pristine lakes

Space & Earth / Earth Sciences

Nov 05, 2009 | 3.3 / 5 (4) | 3

The impact of airborne nitrogen released from the burning of fossil fuels and wide-spread use of fertilizers in agriculture is much greater that previously recognized and even extends to remote alpine lakes, ...

Samoan tsunami was too close to prevent deaths: research

Space & Earth / Earth Sciences

Nov 05, 2009 | not rated yet | 0

(PhysOrg.com) -- Samoa's tsunami detection, monitoring and warning system works well and could not have prevented the more than 100 deaths caused by the devastating tsunami that hit the region on September 29, a major international ...

Study uses satellite imagery to identify active magma systems in East Africa's Rift Valley

Space & Earth / Earth Sciences

Nov 04, 2009 | 4.5 / 5 (4) | 0

A team from the University of Miami, University of El Paso and University of Rochester have employed Interferometric Synthetic Aperture Radar (InSAR) images compiled over a decade to study volcanic activity ...

Volcanic eruptions may split Africa: scientists

Space & Earth / Earth Sciences

Nov 03, 2009 | 4.8 / 5 (8) | 1

Volcanic activity may split the African continent in two owing to a recent geological crack in northeastern Ethiopia, researchers said on Tuesday.

Mapping nutrient distributions over the Atlantic Ocean

Space & Earth / Earth Sciences

Nov 03, 2009 | not rated yet | 0

Large-scale distributions of two important nutrient pools - dissolved organic nitrogen and dissolved organic phosphorus (DON and DOP) have been systematically mapped for the first time over the Atlantic Ocean in a study led ...

African desert rift confirmed as new ocean in the making

Space & Earth / Earth Sciences

Nov 02, 2009 | 4.9 / 5 (34) | 7

(PhysOrg.com) -- In 2005, a gigantic, 35-mile-long rift broke open the desert ground in Ethiopia. At the time, some geologists believed the rift was the beginning of a new ocean as two parts of the African continent pulled ...

Snows Of Kilimanjaro shrinking rapidly, and likely to be lost

Space & Earth / Earth Sciences

Nov 02, 2009 | 3.9 / 5 (7) | 3

The remaining ice fields atop famed Mount Kilimanjaro in Tanzania could be gone within two decades and perhaps even sooner, based on the latest survey of the ice fields remaining on the mountain .

Climate variability impacts the deep sea

Space & Earth / Earth Sciences

Nov 02, 2009 | 4.1 / 5 (7) | 0

Deep-sea ecosystems occupying 60% of the Earth's surface could be vulnerable to the effects of global warming warn scientists writing in the Proceedings of the National Academy of Sciences.

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 ...

Green is cool, but US land changes generally are not

Space & Earth / Earth Sciences

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

Most land use changes occurring in the continental U.S result in raised regional surface temperatures, says a new study by scientists at the University of Maryland, Purdue University and the University of ...

Aqua satellite confirms another tropical cyclone may impact the Philippines

Space & Earth / Earth Sciences

Nov 02, 2009 | not rated yet | 0

When NASA's Aqua satellite flew over the Philippine Sea during the early morning hours today, November 2 infrared imagery saw another new tropical cyclone coming together.

Mirinae floods Philippines, makes landfall in Vietnam with strong thunderstorms

Space & Earth / Earth Sciences

Nov 02, 2009 | not rated yet | 0

Mirinae (Santi) caused 12 hours of flooding rains in the Philippines when it crossed the northern Luzon region over the weekend. On October 31 at 5 a.m. Local (Asia/Manila) Time (October 30 at 2100 UTC) Typhoon ...

Newly drilled ice cores may be the longest taken from the Andes

Space & Earth / Earth Sciences

Nov 02, 2009 | 3.7 / 5 (3) | 0

Researchers spent two months this summer high in the Peruvian Andes and brought back two cores, the longest ever drilled from ice fields in the tropics.

Colombia volcano rumbles back to life

Space & Earth / Earth Sciences

Nov 01, 2009 | 4.4 / 5 (9) | 0

Officials in southern Colombia have issued a code orange alert for the newly-active Galeras volcano which they said could erupt in a matter of days or weeks, according to the state-run Geological and Mining ...

Geologists monitor landslide in Washington state for further movement

Space & Earth / Earth Sciences

Nov 01, 2009 | 4.5 / 5 (2) | 0

It's hard to picture a bigger landslide than the one that buried a quarter-mile of Highway 410 in Yakima County, Wash., in mid-October.

Typhoon Mirinae already raining on the Philippines

Space & Earth / Earth Sciences

Oct 30, 2009 | not rated yet | 0

Infrared imagery from NASA's Aqua satellite revealed that Typhoon Mirinae's cold thunderstorm clouds were already over sections of the central and northern Philippines on October 30 at 4:53 p.m. (Asia/Manila) ...

Previously Unknown Volcanic Eruption Helped Trigger Cold Decade

Space & Earth / Earth Sciences

Oct 29, 2009 | 4.2 / 5 (26) | 9

(PhysOrg.com) -- A team of chemists from the U.S. and France has found compelling evidence of a previously undocumented large volcanic eruption that occurred exactly 200 years ago, in 1809.