Remotely Monitoring Volcanic Activity With Ground-Based Doppler Radar

Details Remotely Monitoring Volcanic Activity With Ground-Based Doppler Radar Remotely Monitoring Volcanic Activity With Ground-Based Doppler Radar

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005eostr..86..201d&link_type=abstract

EOS Transactions, AGU, Volume 86, Issue 21, p. 201-204

Mathematics

Logic

8

Volcanology: Remote Sensing Of Volcanoes, Volcanology: Volcano Monitoring (7280), Volcanology: Eruption Mechanisms And Flow Emplacement

Scientific paper

Concern about hazards that volcanic plumes pose, especially to aviation safety, has led scientists for about two decades to using satellite sensors in different wavelengths for the detection and study of volcanic activity. Together with ground-based meteorological radars, these techniques now enable tracking the ascent and dispersal of large eruptive clouds, making reflectivity mapping, determining plume heights, measuring gas (SO2) and aerosols content, and estimating particle sizes and total mass of gas and fine ash [e.g., Harris and Rose, 1983]. However, there is still a crucial need for direct measurements of particle velocities, especially near an emission vent, to constrain physical and numerical models of eruption dynamics, which in turn, should improve our predictive capacity regarding plume behavior.

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