Winter warming from large volcanic eruptions
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Winter warming from large volcanic eruptions

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Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .
Written in English


  • Global temperature changes.,
  • Climatic changes -- Research.

Book details:

Edition Notes

StatementAlan Robock and Jianping Mao.
Series[NASA contractor report] -- NASA CR-192848., NASA contractor report -- NASA CR-192848.
ContributionsMao, Jianping., United States. National Aeronautics and Space Administration.
The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL14694178M

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  "The pattern of winter warming following the volcanic eruption is practically identical to a pattern of winter surface temperature change caused by global warming. It shows that volcanic aerosols force fundamental climate mechanisms that play an . and winter warming from large explosive eruptions are then explained. The impacts of volcanic eruptions on decadal- and century-scale climate changes, and their contributions to the Little Ice Age and their relative contribution to the warming of the past century, are next discussed. Then, I show that the simultaneous occur-. The stratospheric pathway is a potential explanation for this boreal-winter warming after a large eruption. Volcanic aerosols from a large tropical eruption warm the low-latitude lower stratosphere; the resulting temperature gradient toward the equator decreases the high-latitude geopotential height and strengthens the stratospheric polar Cited by: 1.   There have been several large volcanic eruptions in the past years (), and each has drawn attention to the atmospheric and potential climatic Laki eruption in Iceland was followed by a very warm summer and then a very cold winter in Europe, causing Benjamin Franklin, the U.S. Ambassador to France, to publish the first paper on the subject in more than years.

The author analyzes the impact of 13 major stratospheric aerosol producing volcanic eruptions since on the large-scale variability modes of sea level pressure in the Northern Hemisphere winter. The paper focuses on the Arctic Oscillation (AO) and the North Atlantic Oscillation (NAO) to address the question about the physical nature of. Volcanic eruptions can influence climate and global temperature because of the gases and dust particles spewed into the atmosphere during the eruption. Excessive Heat Warning in effect from The extreme weather events of – were the most severe and protracted short-term episodes of cooling in the Northern Hemisphere in the last 2, years. The event is thought to have been caused by an extensive atmospheric dust veil, possibly resulting from a large volcanic eruption in the tropics or in Iceland. Its effects were widespread, causing unseasonable weather, crop failures, and.   Volcanic eruptions from Iceland to Alaska may not only be messing with air travel. They could be helping slow global warming. A new study concluded that small volcanic eruptions .

Scientists have long known that large, explosive volcanic eruptions can cause cooler summers. The year has been called “the year without a summer” because of its much colder summer temperatures, the result of the large Mt. Tambora eruption in 3 A study of late 20 th century explosive volcanic eruptions showed that they. An examination of the Northern Hemisphere winter surface temperature patterns after the 12 largest volcanic eruptions from shows warming over Eurasia and North America and cooling over the Middle East which are significant at the 95% level. This pattern is found in the first winter after tropical eruptions, in the first or second winter after midlatitude eruptions, and in the second. They reckon there is a high likelihood (83% probability) of an El Niño-like warming event during the /21 winter if the magnitude of the Taal eruption reaches a mid-range "volcanic explosive.   Super volcanoes such as Yellowstone (USA), Toba (Indonesia) and Taupo (New Zealand) can, theoretically, produce very large-volume eruptions that .