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222 matches found for "volcanic activity"

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Volatile Gas Could Turn Rwandan Lake into a Freshwater Time Bomb

A dangerous level of carbon dioxide and methane gas haunts Lake Kivu, the freshwater lake system bordering Rwanda and the Republic of Congo.Scientists can’t say for sure if the volatile mixtur...

Ecology, The Environment and Conservation | nachricht Read more
New Study in Geology Uses Satellite Imagery to Identify Active Magma Systems in East Africa’s Rift Valley

“The Kenyan Rift volcanoes are part of a larger Great Rift Valley complex that extends all the way from Mozambique to Djibouti; their presence in East Africa attests to the presence of magma reservoir...

Earth Sciences | nachricht Read more
Rice U. lab leads hunt for new zeolites

In all the world, there are about 200 types of zeolite, a compound of silicon, aluminum and oxygen that gives civilization such things as laundry detergent, kitty litter and gasoline. But thanks to co...

Life Sciences | nachricht Read more
African Desert Rift Confirmed as New Ocean in the Making

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 p...

Earth Sciences | nachricht Read more
Scientists measure the rate of ascent of volcanic magma

Volcanoes that tend to show this kind of behaviour include Mount Vesuvius in Italy, Mt. Pinatubo in the Philippines and Mt. St. Helens in the USA. Professor Donald Dingwell of Ludwig-Maximilians-Unive...

Earth Sciences | nachricht Read more
New Network to Examine the Power of Aerosols

They’re called aerosols, miniscule particles and droplets that float in the global atmosphere. And they’re the focus of a new national research network that includes Dalhousie University researchers....

Earth Sciences | nachricht Read more
"Rosetta Stone" of supervolcanoes discovered in Italian Alps

A fossil supervolcano has been discovered in the Italian Alps' Sesia Valley by a team led by James E. Quick, a geology professor at Southern Methodist University. The discovery will advance scien...

Earth Sciences | nachricht Read more
Arctic lakes help scientists understand climate change

An international team of scientists, led by Darrell Kaufman, a Northern Arizona University professor of geology and environmental science, recently completed a five-year study that places the recent w...

Earth Sciences | nachricht Read more
Humans causing erosion comparable to world’s largest rivers and glaciers

Published online in the journal Nature Geoscience, the research offers stark evidence of how humans are reshaping the planet. It also finds that - contrary to previous scholarship - rivers are as powe...

Earth Sciences | nachricht Read more
The greenhouse gas that saved the world

When Planet Earth was just cooling down from its fiery creation, the sun was faint and young. So faint that it should not have been able to keep the oceans of earth from freezing. But fortunately for ...

Ecology, The Environment and Conservation | nachricht Read more
Mars, methane and mysteries

The methane mystery started soon after December 2003, when ESA’s Mars Express arrived in orbit around the red planet. As the Planetary Fourier Spectrometer (PFS) began taking data, Vittorio Formisano,...

Physics and Astronomy | nachricht Read more
Surface features on Titan form like Earth's, but with a frigid twist

The joint NASA/ESA/ASI Cassini-Huygens mission has revealed details of Titan's geologically young surface, showing few impact craters, and featuring mountain chains, dunes and even "lakes&qu...

Earth Sciences | nachricht Read more
NASA and NOAA'S GOES-14 satellite takes first full disk image

"The first GOES-14 visible full disk image shows little activity in the Atlantic Ocean and two tropical waves located in the East Pacific Ocean with a low probability of becoming a tropical cyclo...

Physics and Astronomy | nachricht Read more
Geoscientists from the Alfred Wegener Institute are back from an expedition to the Labrador Sea

Scientists from the Alfred Wegener Institute have researched the geology of the seabed in the Labrador Sea on board of the research vessel Maria S. Merian. They have studied the so-called Eiri...

Earth Sciences | nachricht Read more
New map hints at Venus's wet, volcanic past

The map comprises over a thousand individual images, recorded between May 2006 and December 2007. Because Venus is covered in clouds, normal cameras cannot see the surface, but Venus Express used a pa...

Earth Sciences | nachricht Read more
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