Sentences with phrase «massive volcanic eruptions»

He and his collaborators employed both simple and complex computer models in early studies of the role of clouds in climate change, and in research on the climatic effects of massive volcanic eruptions.

All the CO2 in the atmosphere has been created by outgassing from the Earth's core during massive volcanic eruptions.

About 66 million years ago there was a series of massive volcanic eruptions in southern India known as the Deccan Traps.

In the second millennium BCE, massive volcanic eruptions on Santoríni collapsed the island into a fractured caldera possibly contributing to the collapse of Minoan civilization on nearby Crete.

Mauna Kea, Hawaii — Three massive volcanic eruptions occurred on Jupiter's moon Io within a two - week period, leading astronomers to speculate that these presumed rare «outbursts,» which can send... Read more»

Scientists think that massive volcanic eruptions killed off more than 90 % of ocean species and 75 % of land species almost 252 million years ago.

Some geologists speculate that massive volcanic eruptions covering areas as large as modern continents triggered the release of methane buried in the ocean floor, causing a greenhouse effect.

Plate tectonics can affect life through massive volcanic eruptions (see main story).

In Earth's past the trigger for these greenhouse gas emissions was often unusually massive volcanic eruptions known as «Large Igneous Provinces,» with knock - on effects that included huge releases of CO2 and methane from organic - rich sediments.

A series of three massive volcanic eruptions detected on the surface of Jupiter's moon Io in August last year, has the potential to yield insights into the formation process of the surface of Earth - like planets.

Several massive volcanic eruptions in Siberian Traps, described above, started warming of the atmosphere.

The first extinction pulse has been tied to massive volcanic eruptions in India, the second to the impact of an asteroid or comet on Mexico's Yucatan Peninsula.

Mauna Kea, Hawaii — Three massive volcanic eruptions occurred on Jupiter's moon Io within a two - week period, leading astronomers to speculate that these presumed rare «outbursts,» which can send material hundreds of miles above the surface, might be much more common than previously thought.

The legendary Ölfus Spring was forged during a massive volcanic eruption over 5,000 years ago, which continues to replenish itself through natural rainfall.

The legendary Ölfus Spring was forged during a massive volcanic eruption over 5,000 years ago.

According to the Toba catastrophe theory, a massive volcanic eruption changed the course of human history by severely reducing the human population.

If mimicking a massive volcanic eruption by spraying sulfur dioxide into the air or flying thousands of mirrors into space to shade Earth to halt climate change doesn't cut it for you, how about this?

The author argues it was a massive volcanic eruption

And why aren't all massive volcanic eruptions devastating to life?

Acid rain following the impact may also have played a role in the extinction, as could the additional stress on global climate from the massive volcanic eruptions that occurred 65 million years ago in India's Deccan Traps.

NATURAL catastrophes such as asteroid impacts, massive volcanic eruptions or large - scale wildfires would have periodically plunged our planet into abnormal darkness.

«Mars» oceans formed early, possibly aided by massive volcanic eruptions: Oceans formed before Tharsis and evolved together, shaping climate history of Mars.»

Of the 20 coldest summers in that region in the last 2000 years, 13 occurred in the 6th century after the year 536, which a recent study of ice cores has pinned down as the date of a massive volcanic eruption somewhere at high latitude in the Northern Hemisphere.

Our ancestors not only survived a massive volcanic eruption 74,000 years ago, they flourished during the resulting climate change that occurred, a new study by UNLV geoscientist Eugene Smith and colleagues found.

Many scientists suspected that a massive volcanic eruption had something to do with it.

The caldera was created in a massive volcanic eruption that led to the subsidence of Mount Mazama around 4860 B.C.E.

Ian Plimer in another contrarian tome included some even more made up facts: «massive volcanic eruptions (e.g. Pinatubo) emit the equivalent of a years» human CO2 emissions in a few days» (p472) and «Volcanoes produce more CO2 then the world's cars and industries combined» (p413).

Early humans survived a massive volcanic eruption 74,000 years ago as well as flourished during the resulting climate change, finds a new study.

Seven miles long, three miles wide and with an average depth of 200 metres, Lake Atitlan was formed 84,000 years ago following a massive volcanic eruption.

These huge, eerie tunnels were created by lava draining through the landscape following a massive volcanic eruption thousands of years ago, and you can wander through them.

Why wouldn't an angry troll cause a massive volcanic eruption?

As the second eldest island in the Canaria archipelago after Fuerteventura, Lanzarote rose from the sea during a massive volcanic eruption, around 15 million years ago.

Scientists believe the extinctions were brought on by natural disasters — massive volcanic eruptions, rapid climate changes and meteors hitting Earth.

Variability on sub - to multidecadal timescales is superimposed on these overall increases in observed SSTs... part of this variability is in phase with fluctuations in the optical depth of stratospheric aerosols produced by massive volcanic eruptions... The relationship between SST variability and stratospheric aerosol optical depth is clearer in the PCR than in the ACR, particularly for the eruption of Mt. Pinatubo in June 1991 (Figs. 1 and 6).