NDLI: Dispersion modeling of volcanic ash clouds: North Pacific eruptions, the past 40 years: 1970

Content Provider	Springer Nature Link
Author	Webley, P. W. Dean, K. Peterson, R. Steffke, A. Harrild, M. Groves, J.
Copyright Year	2011
Abstract	Over the last 40 years, there have been numerous volcanic eruptions across the North Pacific (NOPAC) region that posed a potential threat to both local communities and transcontinental aircraft. The ability to detect these volcanic clouds using satellite remote sensing and predict their movement by dispersion modeling is a major component of hazard mitigation. The Puff volcanic ash transport and dispersion model, used by the Alaska Volcano Observatory, was used to illustrate the impact that these volcanic ash clouds have made across the NOPAC and entire Polar region over the past 40 years. Nearly, 400 separate ash clouds were analyzed that were either reported or detected to have reached above 6 km (20,000 ft) above sea level, an average of one ash cloud every 1.25 months. Particular events showed that ash clouds can be tracked from Alaska to Greenland (Crater Peak, Mount Spurr in 1992), from Kamchatka to Alaska (Kluvicheskoi Volcano in 1994), from Alaska to California (Mount Cleveland Volcano in 2001) and from multiple events within 1 day (Mount Augustine Volcano in 2006). This study showed the vast number of events that have impacted this Polar region and how tracking them is useful for hazard mitigation.
Starting Page	661
Ending Page	671
Page Count	11
File Format	PDF
ISSN	0921030X
Journal	Natural Hazards
Volume Number	61
Issue Number	2
e-ISSN	15730840
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-11-30
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polar regions Volcanic ash Dispersion modeling Environmental Management Hydrogeology Geophysics/Geodesy Civil Engineering Geotechnical Engineering & Applied Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science Water Science and Technology

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