Sentences with phrase «volcanic activity in»

David Pyle of Oxford University said small changes in the mass of the earth's surface seems to affect volcanic activity in general, not just in places where ice receded after a cold spell.

The narrow similarity between solar and volcanic activity in the long - term scale suggests two quite different possible consequences: a. Solar activity governs the volcanic activity on the Earth in long - term scale.

My reply — that argument does not hold water, because one can also say satellite data responded down to the volcanic activity in the early 1980's and early 1990's to a greater degree.

In one part of the presentation, she showed daily graphs of seismic / volcanic activity in a mid-ocean rift area, with twice - daily spikes coinciding with lunar cycles.

Ian Plimer and others have suggested that El Ninos — whose origin has not yet been explained — may be caused by increased subsea volcanic activity in the tropical eastern Pacific, on the ground that each El Nino is preceded by six months of enhanced seismic activity in the region.

I have heard it said that periods of severe volcanic activity in the geological past increased global temperatures by emitting substantial volumes of greenhouse gases.

The MWP saw the lowest level of volcanic activity in the past 2000 years — from about 700 AD to about 1225 AD.

For example very powerful volcanic activity in the past are numerous and well known, also we evidence of huge impactors which have hit earth.

This drop is due to volcanic activity in the models.

Muon densities increase more in higher latitudes at times of weak solar magnetic activity, which is why volcanic activity in the higher latitudes will be affected more by this process.

The researchers say their data lines up better with the historic climate record than other theories proposed to explain the Little Ice Age, including changes in sunlight and an increase in volcanic activity in the late 16th century.

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.

Where I am stuck on this is Hansen's seemingly prideful consideration of the volcanic activity in his models.

For example, reconstructions suggest decreased solar activity and increased volcanic activity in the 17th century as compared to current conditions.

even as we are probably being propelled into a new ice age, by forces independent of human activity, the warming oceans, most probably largely caused by undersea volcanic activity in the pacific ocean, may cause a continuing warming trend in alaska.

This was a time of the greatest volcanic activity in Earth's history and we know today that the largest source of mercury comes from volcanic eruptions.

It made me curious if there might not have been a relationship to the volcanic activity in the Caribbean in the late 90's and the possible character of the hydrologic cycle in the early 90's.

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.

It's pertinent to your point that the global temperature drifted downwards a tad between 1880ish and 1910ish, a result most likely of the large volcanic activity in that period.

Due to the volcanic activity in this area, Santorini's coloured beaches are some of the rarest, most beautiful ones that you will see anyone in the world.

The inland is dominated by an enormous crater which was the location of the most recent major volcanic activity in the Azores, adding roughly 1 kilometre to the landmass in 1957.

Flights to Bali have declined by about 30 percent as a result of Mt. Agung's heightened volcanic activity in November, according to the Indonesian National Aviation Association (Inaca).

Volcanic activity in Mount Agung is slowing and the volcano's status has been lowered from level four «danger» to level three «alert» by Indonesia's volcanology centre.

As you walk along the lava trails, you'll see evidence of the volcanic activity in the area and its effect.

Another interesting feature of the Froyo is its new speech recognition system that makes it possible for the device to comprehend complex phrases like» pictures of the volcanic activity in Iceland spewing ash throughout Europe» or «pictures of the Golden Gate Bridge at sunset» followed by instant search against these terms.

Yellowstone Volcano Observatory Up - to - date information on volcanic activity in Yellowstone.

However when Trevor discovers resurgences in volcanic activity in the area where his brother vanished, he and Sean pack up their bags and passports, and head for the remote Icelandic location.

Here's an artist's idea of what the intense volcanic activity in ancient Siberia might have looked like.

blaming the results reported in Nature on a» chain of heat - venting sub-sea islands», which given the continental trend, seems even more bizarre than invoking volcanic activity in the Arctic ocean

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.

Through these vents, volcanic activity in Earth's interior releases hot gases and dissolved minerals into the ocean and heats the water to temperatures of nearly 700 degrees Fahrenheit.

And because volcanic activity in Japan has been rather quiet in recent decades, they've had little on - the - job training.

But he acknowledges that there are other explanations for the carbonate finding — volcanic activity in the region, for instance, could have contributed localized carbon dioxide to form the Comanche minerals.

Now, graduate students at the University of Washington have found a way to detect volcanic activity in the atmospheres of exoplanets, or those outside our solar system, when they transit, or pass in front of their host stars.

The data suggest that volcanic activity in the area is on the wane — but a potentially apocalyptic new eruption could still happen.

There has been no increase in volcanic activity in the northern Taupo region.

Such springs, leading into the oceans and associated with volcanic activity in the highlands, could have created a favourable environment for Martian microbes.

Satellite remote sensing is used to monitor volcanic activity in isolated areas, track ash clouds, and detect surface temperatures.

«If we know how volcanic sulfur particles affect the atmospheric winds, we can have a much improved interpretation of the traces of volcanic activities in the ice cores,» says Dr. Toohey.

Not exact matches

Unrest at large calderas rarely ends in eruption, encouraging vulnerable communities to perceive emergency warnings of volcanic activity as false alarms.

The current unrest is consistent with a reactivation of the magmatic system after 412 years and, hence, with an increase in the threat from volcanic activity to the caldera's population of almost 360,000 people, as well as to the three million residents of Naples immediately outside its eastern margin.

He says the region is unique because its water is cleaner, and centuries of volcanic activity have left the soil rich in mineral content.

There is a volcanic crater lake up there — one that until pretty recently people used as a giant natural hot tub, at least until seismic activity intensified and folks realized that swimming in a volcano's simmering crater lake might not be the best idea.

The data showed that, in comparison to today, the Atlantic Ocean surface circulation was much weaker during the Little Ice Age, a cool period thought to be triggered by volcanic activity that lasted from 1450 - 1850.

The meteorite is made of volcanic rock, and the presence of water in it suggests that crustal rocks on Mars interacted with surface water that was delivered by volcanic activity, near - surface reservoirs or by impacting comets, Agee says.

It was smoking - gun evidence: after billions of years out in the cold, Io was more than still warm — it was seething with volcanic activity.

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.

After observing a sharp rise in volcanic activity during this period, and testing various scenarios, the geologists concluded that the increase in magmatic activity could only be explained by the almost total drying out of the Mediterranean.

But geologists have found little evidence of activity in recent eons; the newest volcanic deposits date back millions of years.

Scientists have developed a method to estimate weakness in Earth's outer layers which will help explain and predict volcanic activity and earthquakes.