Sentences with phrase «by volcanic eruptions during»

Not exact matches

Seismic waves can be generated naturally, during earthquakes and volcanic eruptions, for example, or by artificial means such as explosions.

One of the largest colonies of gentoo penguins in Antarctica was decimated by volcanic eruptions several times during the last 7,000 years according to a new study.

Like the particles emitted during volcanic eruptions, sulfate aerosols cool the Earth by blocking a portion of the sun's rays.

Armed with a clear timeline, the archeologist Marean was able to show that those human ancestors living at Pinnacle Point and Vleesbaai — located about five miles apart — showed remarkable improvement in their life style during the volcanic winter caused by the Toba eruption.

This would open up large areas of airspace that would otherwise be closed during a volcanic eruption, which would benefit passengers by minimising disruption.

Visit the Ruins of 16th Century Guiob Church, the church of the Old Catarman town which was destroyed and partly submerged by volcanic fragments during the eruption Mt. Vulcan in 1871.

«Barring a major volcanic eruption, most 15 - year global mean surface temperature trends in the near - term future will be larger than during 1998 - 2012,» according to the 127 - page Technical Summary dated June 7 and obtained by Reuters.

Curiously, in their FAQ section «Has global warming stopped» http://berkeleyearth.org/faq/#stopped they try to explain the current lack of warming by pointing out that there was similarly no warming from 1980 — 1995, without mentioning the two major volcanic eruptions that occurred during that period.

For example, there are oceanic cycles like the El Niño Southern Oscillation (ENSO, comprised of El Niño and La Niña events), an 11 - year solar cycle, and particulates released during volcanic eruptions which cause short - term cooling by blocking sunlight.

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