Sentences with phrase «studied volcanic activity»

They also studied volcanic activity in the 1800s but found that this only contributed a small part to the onset of climate change compared to human activity.

They saw that our property was an excellent and safe place to observe and study volcanic activity.

Not exact matches

Given that the salinity crisis was capable of generating these changes in pressure, the geologists — working on the hypothesis that the Mediterranean dried out — studied the changes in volcanic activity during this period.

The results of these studies have been a major contribution to our understanding of volcanic activity across the solar system, says Clark Chapman of the Southwest Research Institute in Boulder, Colorado.

Volcanoes which are persistently active and emit a strong plume, while at the same time have low enough volcanic activity, are the perfect candidates to study.

Scientists study these lakes» chemistry to monitor and learn more about volcanic activity.

But Bill McKinnon, a planetary scientist at Washington University in St. Louis, Mo., who was not involved in the study, pointed out that ultimately, Jupiter's moon Europa would be a more likely place for potential life to take hold: It's more massive and probably had some volcanic activity in the past.

As discussed elsewhere on this site, modeling studies indicate that the modest cooling of hemispheric or global mean temperatures during the 15th - 19th centuries (relative to the warmer temperatures of the 11th - 14th centuries) appears to have been associated with a combination of lowered solar irradiance and a particularly intense period of explosive volcanic activity.

Solar and volcanic activity are the main natural forcings included in the Huber and Knutti study.

Investigating the cause of 20th Century warming is properly done in detection and attribution studies, which analyze the various forcings (e.g., solar variations, greenhouse gases or volcanic activity) and the observed time and space patterns of climate change in detail.

The new NASA study calculated just how much of those gases this volcanic activity would have created.

A surge of undersea volcanic activity about 93 million years ago sapped the oceans of oxygen, triggering a mass extinction of marine life, a new study finds.

«Since the giant sodium nebula that they create varies over periods of months to years, the source of the variability is probably not the symmetrical sputtering cloud, but the streaming - wake source that waxes and wanes with volcanic activity on Io,» explained Jody Wilson, CSP senior research associate and a study co-author.

A new study in the April 22 edition of Science reveals that volcanic activity associated with the plate - tectonic movement of continents may be responsible for climatic shifts from hot to cold over tens and hundreds of millions of years throughout much of Earth's history.

Geologists have long believed that these minerals were formed by volcanic activity, but in a new study, researchers from McGill University in Canada argue that the silica - rich minerals may have been deposited in the crust of a young Earth by «silicate rain.»

A new study finds that the melting of ice due to climate change could potentially increase volcanic activity.

Investigating the cause of 20th Century warming is properly done in detection and attribution studies, which analyze the various forcings (e.g., solar variations, greenhouse gases or volcanic activity) and the observed time and space patterns of climate change in detail.

You must not do any real studying if you've never heard about the evolution of the Earth's atmosphere through biosphere changes and oxygenation, plate tectonics / silicate weathering, milankovitch cycles, solar activity and volcanic eruptions, among other things.

McGuire conducted a study that was published in the journal Nature in 1997 that looked at the connection between the change in the rate of sea level rise and volcanic activity in the Mediterranean for the past 80,000 years and found that when sea level rose quickly, more volcanic eruptions occurred, increasing by a whopping 300 percent.

Investigating the cause of 20th Century warming is done in so - called detection and attribution studies, which analyze the various forcings (e.g., solar variations, greenhouse gases or volcanic activity) and the observed time and space patterns of climate change in detail.

In case you doubted, «The study also shows that the observed warming in the North Atlantic during the 20th century can not be explained by the solar and volcanic activity alone.»

Tuerqas, show me a study — any study — that shows Antarctic volcanic activity increasing over the past fifty years.

Volcanic activity was high during this period of history, and we know from modern studies of volcanism that eruptions can have strong cooling effects on the climate for several years after an eruption.

Anyway that said, I came across this study when I was looking at volcanic activity around the Antarctic Peninsula, billed as a «pristine» site for measuring carbon dioxide, it is surrounded by volcanic production of carbon dioxide which can't be for all practical purposes told apart from «man made fossil fuel production».

(A 2010 study found large spikes in volcanic activity at a number of Iceland volcanoes at the end of the last ice age.

As detailed in those studies, increasing seismic activity in these submarine volcanic complexes is a proxy indicator of heightened underwater geothermal flux, a forcing mechanism that destabilizes the overlying water column.

Every study claiming a relationship between solar activity and volcanic activity is limited to the LIA.

In the study (Kathleen Compton, Richard A. Bennett, and Sigrun Hreinsdottir, «Climate driven vertical acceleration of Icelandic crust measured by CGPS geodesy,» Geophysical Research Letters 42 (3): 743 — 750, 2015) the authors don't try to blame «global warming» for increased volcanic activity.

The agw consensus is based largely on numerous studies of natural casues, solar irradiance patterns, volcanic activity, the nature of the greenhouse effect etc..

With regard to proxy studies, same basic questions, are these direct or passive correlations, what evidence that tree ring core thickness depends only on temperature (what about precipitation, cloud cover, volcanic activity, sea surface temperatue changes, sea current changes, solar irradiance changes, cloud cover, etc.) How are these variables accounted for when analysis of ice cores is completed, or for that matter when computer models, and / or proxy studies are completed.

Solar and volcanic activity are the main natural forcings included in the Huber and Knutti study.