News tagged with volcanic gas

Life on Mars theory boosted by new methane study

Scientists have ruled out the possibility that methane is delivered to Mars by meteorites, raising fresh hopes that the gas might be generated by life on the red planet, in research published tomorrow in Earth an ...

Space & Earth / Space Exploration

created Dec 08, 2009 | popularity 4.9 / 5 (32) | comments 11

Extinction risk to plant biodiversity may occur at lower levels of atmospheric CO2 than previously considered

(PhysOrg.com) -- Scientists have traced a sudden collapse in plant biodiversity in ancient Greenland, some 200 million years ago, to a relatively small rise in atmospheric carbon dioxide which caused a rise in the Earth’s ...

Space & Earth / Environment

created Jun 29, 2009 | popularity 4.3 / 5 (34) | comments 13

Previously Unknown Volcanic Eruption Helped Trigger Cold Decade

(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.

Space & Earth / Earth Sciences

created Oct 29, 2009 | popularity 4.3 / 5 (27) | comments 9

Studies agree on a 1 meter rise in sea levels

New research from several international research groups, including the Niels Bohr Institute at the University of Copenhagen provides independent consensus that IPCC predictions of less than a half a meter ...

Space & Earth / Earth Sciences

created Apr 13, 2010 | popularity 3.5 / 5 (33) | comments 32 | with audio podcast

Global extinction: Gradual doom is just as bad as abrupt

A painstakingly detailed investigation shows that mass extinctions need not be sudden events. The deadliest mass extinction of all took a long time to kill 90 percent of Earth's marine life, and it killed ...

Space & Earth / Earth Sciences

created Feb 03, 2012 | popularity 4.2 / 5 (20) | comments 0 | with audio podcast

Team explains how dinosaurs rose to prominence

A shade more than 200 million years ago, the Earth looked far different than it does today. Most land on the planet was consolidated into one continent called Pangea. There was no Atlantic Ocean, and the rulers ...

Space & Earth / Earth Sciences

created Mar 22, 2010 | popularity 4.7 / 5 (17) | comments 9 | with audio podcast

Image: Carbon dioxide on the rise

(PhysOrg.com) -- The SCIAMACHY sensor on ESA?s Envisat satellite has provided scientists with invaluable data on our planet, allowing them to map global air pollution and the distribution of greenhouse gases.

Space & Earth / Environment

created Jun 28, 2010 | popularity 3.7 / 5 (18) | comments 34

Can we spot volcanoes on alien worlds? Astronomers say yes

Volcanoes display the awesome power of Nature like few other events. Earlier this year, ash from an Icelandic volcano disrupted air travel throughout much of northern Europe. Yet this recent eruption pales ...

Space & Earth / Astronomy

created Sep 07, 2010 | popularity 4.5 / 5 (11) | comments 0 | with audio podcast

Tiny plants with a global impact - results of climate change experiment published

A possible solution to global warming may be further away than ever, according to a new report published in the prestigious scientific journal Nature this week.

Space & Earth / Environment

created Jan 28, 2009 | popularity 4 / 5 (10) | comments 4

Bursting a bubble? Accepted theory explaining frequent eruptions at Italy's volcano called into question

Understanding the processes that cause volcanic eruptions can help scientists predict how often and how violently a volcano will erupt. Although scientists have a general idea of how these processes work — ...

Space & Earth / Earth Sciences

created Jul 21, 2010 | popularity 4.8 / 5 (8) | comments 0 | with audio podcast

Alchemy in Tanzania? Gas Becomes Solid at Surface of Oldoinyo Lengai Volcano

(PhysOrg.com) -- Science has unearthed the secret to what might have been alchemy at Oldoinyo Lengai volcano in Tanzania.

Space & Earth / Earth Sciences

created May 06, 2009 | popularity 4.1 / 5 (8) | comments 0

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 the creation of life, ...

Space & Earth / Earth Sciences

created Aug 18, 2009 | popularity 3.6 / 5 (9) | comments 7

In the long run, all that ash can be a good thing

Volcano ash can wreck jet engines, poison freshwater lakes and damage lungs. But it helps fertilize oceans, volcano researchers and marine chemists say.

Space & Earth / Earth Sciences

created Apr 26, 2010 | popularity 4.8 / 5 (6) | comments 2

Rich Ore Deposits Linked to Ancient Atmosphere

(PhysOrg.com) -- Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of ...

Space & Earth / Earth Sciences

created Nov 19, 2009 | popularity 4.3 / 5 (3) | comments 0

Eruptive characteristics of Oregon's Mount Hood analyzed

A new study has found that a mixing of two different types of magma is the key to the historic eruptions of Mount Hood, Oregon's tallest mountain, and that eruptions often happen in a relatively short time ...

Space & Earth / Earth Sciences

created Aug 02, 2010 | popularity 4.5 / 5 (2) | comments 1 | with audio podcast