期刊
GEOPHYSICAL RESEARCH LETTERS
卷 40, 期 11, 页码 2657-2660出版社
AMER GEOPHYSICAL UNION
DOI: 10.1002/grl.50556
关键词
GPS; volcanoes
资金
- NSF [EAR 0948957, AGS 0935725, EAR 1144221]
- NASA [NNX12AK21G]
- Directorate For Geosciences
- Division Of Earth Sciences [1144221] Funding Source: National Science Foundation
- NASA [43460, NNX12AK21G] Funding Source: Federal RePORTER
Detection of volcanic plumes, especially ash-laden ones, is important both for public health and aircraft safety. A variety of geophysical tools and satellite data are used to monitor volcanic eruptions and to predict the movement of ash. However, satellite-based methods are restricted by time of day and weather, while radars are often unavailable because of cost/portability. Here a method is proposed to detect volcanic plumes using GPS signal strength data. The strengths and limitations of the method are assessed using GPS data collected during the 2008 and 2009 eruptions of the Okmok and Mt. Redoubt volcanoes. Plume detections using this GPS technique are consistent with independently collected seismic and radar data.
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