Sentences with phrase «volcanic gases»

Until recently, the leading theory held that volcanic gases changed their composition during this time, ultimately consuming less oxygen in atmospheric reactions.

«Emissions of volcanic gases go up and down, helping to cool or heat the planet, while greenhouse gas emissions from human activity just continue to go up.»

Scientists working at the Hellisheidi geothermal power plant near Reykjavik, Iceland, were able to pump the plant's carbon dioxide - rich volcanic gases into deep underground basalt formations, mix them with water and chemically solidify the carbon dioxide.

The acid rain, brief initial global cooling with each of the bursts of volcanism, followed by longer - term global warming from released volcanic gases, and other weather effects associated with enormous eruptions could have globally threatened life.

Researchers from the Oxford University Department of Earth Science worked in collaboration with the Universities of Exeter and Southampton to trace the global impact of major volcanic gas emissions and their link to the end of the Triassic period.

Explosive eruptions, however, can send volcanic gases up into the stratosphere, where they «greatly affect the spectrum of the planet,» Misra said.

Kīlauea has been erupting continuously for more than 30 years and Long Valley — a «supervolcano» with a 20 - mile - long caldera and huge explosive potential — has experienced unrest over the same period, with swarms of earthquakes rattling the area and volcanic gas rising up through the soil.

Rocky planets like Earth, Mars and Venus gained their atmospheres as volcanic gasses like carbon dioxide and water vapor were released from the planets» interiors.

A similar fate may have befallen forests 252 million years ago, when massive bursts of volcanic gases likely weakened Earth's ozone shield.

Part of the remit of the Observatory, which is located in Hawaii's Volcanoes National Park, is to carry out gas geochemistry «in order to assess the current eruptive activity and hazards of Kilauea and Mauna Loa Volcanoes and to develop and test new volcanic gas monitoring techniques for use in Hawaii and elsewhere.»

But these methods work reasonably well only for tree - covered volcanic ranges, where researchers can estimate a peak's age by fossilized pollens or trapped volcanic gas bubbles that shrink as each successive eruption adds a new layer to the growing peak.

Sulfurous volcanic gases produce acid rains.

He and his colleagues have studied similar ancient rocks from Australia, and they have another explanation for the tubules: As the lava flowed, volcanic gases propelled metallic grains through it.

«Volcanic gases often react with and destroy oxygen, and a detection of both oxygen and volcanism suggests that there is a source of oxygen in the planetary environment, which could be life,» Misra said.

Scientists hypothesize that releases of toxic volcanic gases rendered the area's air and water lethal to most life in a short time.

Study Suggests Component of Volcanic Gas May Have Played a Significant Role in the Origins of Life on Earth - Scientists are reporting a possible answer to a longstanding question — how did the first amino acids form the first peptides?

Robotic space probes on and around Venus measured spikes and dips in the deadly volcanic gas called sulfur dioxide.

Hydrogen sulfate also occurs naturally during the breakdown of organic matter in swamps and sewers; it is also present in volcanic gases, natural gas, and some well waters.

There is already a comprehensive plan in place to divert flights to 10 other airports across Indonesia, should ash and volcanic gases interrupt scheduled flight plans.

Check out the hydrothermal areas of the park, where you can get a unique first - hand look at the steam and volcanic gas vents known as fumaroles, as well as boiling pools, ground that has steam rising from it — and even mud pots.

Volcanic gases escaping from the ocean floor create the steady stream of bubbles that give this beach its name.

While one might think that the side of a volcano might not be the best place to measure CO2, in fact the procedures used at Mauna Loa compensate for any contamination by volcanic gases.

But they also knew that most of the time, the wind blows volcanic gases (including carbon dioxide) away from the observatory.

There's also the small matter of a massive drill digging a hole in Seattle that released volcanic gases that turns people into zombies.

In 1815, the Indonesian volcano Tambora propelled more ash and volcanic gases into the atmosphere than any other eruption in history and resulted in significant atmospheric cooling on a global scale, much like Krakatau a few decades later.

«Ground - based measurements of volcanic gases that are more difficult to measure from space, such as carbon dioxide, are crucial.

In 2004, Looy and her former Ph.D. advisor Henk Visscher proposed one way this might have played out, bases on fossilized abnormal plant spores found worldwide: volcanic gases — halocarbons like methyl chloride and methyl bromide — destroyed much or all of Earth's ozone layer, boosting UV - B exposure that would have affected life and potentially increased the genetic mutation rates in pollen and spores of plants worldwide.

Organic material eventually resurfaces in lava and volcanic gases, including atmosphere - warming carbon dioxide.

Volcanic gases might have pushed debris to the surface, Carey speculates, but it's impossible to pinpoint a cause.

Moreover, unlike sulfur dioxide, a volcanic gas that stands out against trace background levels, the atmosphere contains higher background levels of CO2, and winds disperse any injection quickly.

It warned that if a similar eruption occurred, it could send rocks bigger than fist - size up to 8 km (5 miles) from the summit and volcanic gas to a distance of 10 km (6 miles) within three minutes.

New research by Alberto Saal and colleagues suggests that carbon monoxide was the volcanic gas that drove lunar fire fountains.

The potential combination of heat, meltwater, volcanic gasses, and geological weathering products makes these kinds of depressions potential habitable zones for past Martian life.»

Much of the volcanic gas is discharged into the Earth's atmosphere.

WRT the convection patterns you describe, check the «Potential effects of volcanic gases» section of the first link in the article.

[4] The ocean's influence extends even to the composition of volcanic rocks through seafloor metamorphism, as well as to that of volcanic gases and magmas created at subduction zones.

Occasionally, winds do loft the volcanic gases to the observatory.

The newest phase of Kilauea volcano's ongoing eruption has opened as many as 20 new fissures on Hawaii's Big Island over the past two weeks, spewing lava and volcanic gases, forcing the evacuation of nearly 2,000 residents, and destroying dozens of homes near the town of Pahoa.

This is a volcanic gas, and is very good at reflecting incoming sunlight.

«It will be harder for the volcanic gasses to reach high enough into atmosphere to help cool the planet.»