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AVO STAFF DIRECTORY
AVO is a very extended family. Some people work full time for the observatory, others well under half time. Others perform essential work, but only draw operating expenses. Several agencies contribute personnel at several locations. A wide variety of disciplines are represented, including geophysics, geology, glaciology, hydrology, geochemistry, remote sensing, computing, electronics, and administration. The following people are the paid staff, and share among themselves about 22 Full Time Equivalent positions.

[List staff by discipline] [List staff alphabetically] [List staff by office location]
* When listing staff by discipline, some individuals may be listed more than once.

AVO STAFF LISTING
Rick Wessels
Department: Alaska Volcano Observatory
Discipline(s):
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Rick has been a Research Geophysicist for AVO at the USGS in Anchorage since 2003. His research focuses on understanding volcano and glacier dynamics using remote sensing as the main tool. His remote sensing work uses a wide range of high resolution satellite and airborne data in the visible, shortwave infrared, thermal infrared, and radar. Rick is also involved in NASA funded research studying Earth analogues of features on Mars.

Before joining AVO, Rick was at the USGS-Flagstaff office working as an Arizona State University Post-Doc on the Global Land Ice Measurements from Space (GLIMS) project.

Bull, K.F., Anderson, S.W., Diefenbach, A.K., Wessels, R.L., Henton, S.M., 2013, Emplacement of the final lava dome of the 2009 eruption of Redoubt Volcano, Alaska: Journal of Volcanology and Geothermal Research, v. 259, p. 334-348, doi:10.1016/j.jvolgeores.2012.06.014
http://dx.doi.org/10.1016/j.jvolgeores.2012.06.014

Wessels, R.L., Vaughan, R.G., Patrick, M.R., and Coombs, M.L., 2013, High-resolution satellite and airborne thermal infrared imaging of precursory unrest and 2009 eruption at Redoubt Volcano, Alaska: Journal of Volcanology and Geothermal Research, v. 259, p. 248-269, doi:10.1016/j.jvolgeores.2012.04.014
http://dx.doi.org/10.1016/j.jvolgeores.2012.04.014
Download PDF full-text pdf : 6.55 MB

Diefenbach, A.K., Bull, K.F., Wessels, R.L., and McGimsey, R.G., 2013, Photogrammetric monitoring of lava dome growth during the 2009 eruption of Redoubt Volcano: Journal of Volcanology and Geothermal Research, v. 259, p. 308-316, doi:10.1016/j.jvolgeores.2011.12.009
http://dx.doi.org/10.1016/j.jvolgeores.2011.12.009
Download PDF full-text pdf : 2.7 MB

Webley, P.W., Lopez, T.M., Ekstrand, A.L., Kean, K.G., Rinkleff, P., Dehn, J., Cahill, C.F., Wessels, R.L., Bailey, J.E., Izbekov, P., and Worden, A., 2013, Remote observations of eruptive clouds and surface thermal activity during the 2009 eruption of Redoubt Volcano: Journal of Volcanology and Geothermal Research, v. 259, p. 185-200, doi:10.1016/j.jvolgeores.2012.06.023
http://dx.doi.org/10.1016/j.jvolgeores.2012.06.023

Bleick, H.A., Coombs, M.L., Cervelli, P.F., Bull, K.F., and Wessels, R.L., 2013, Volcano-ice interactions precursory to the 2009 eruption of Redoubt Volcano, Alaska: Journal of Volcanology and Geothermal Research, v. 259, p. 373-388, doi:10.1016/j.jvolgeores.2012.10.008
http://dx.doi.org/10.1016/j.jvolgeores.2012.10.008
Download PDF full-text pdf : 4.6 MB

Coombs, M.L., Bull, K.F., Vallance, J.W., Schneider, D.J., Thoms, E.E., Wessels, R.L., and McGimsey, R.G., 2010, Timing, distribution, and volume of proximal products of the 2006 Eruption of Augustine Volcano, chapter 8 of Power, J.A., Coombs, M.L., and Freymueller, J.T., eds., The 2006 eruption of Augustine Volcano, Alaska: U.S. Geological Survey Professional Paper 1769, p. 145-185, 1 plate, scale 1:20,000, and GIS data [http://pubs.usgs.gov/pp/1769/chapters/p1769_chapter08].
Download PDF and GIS files for chapter on USGS website

Wessels, R.L., Coombs, M.L., Schneider, D.J., Dehn, Jonathan, and Ramsey, M.S., 2010, High-resolution satellite and airborne thermal infrared imaging of the 2006 eruption of Augustine Volcano, chapter 22 of Power, J.A., Coombs, M.L., and Freymueller, J.T., eds., The 2006 eruption of Augustine Volcano, Alaska: U.S. Geological Survey Professional Paper 1769, p. 527-552 [http://pubs.usgs.gov/pp/1769/chapters/p1769_chapter22.pdf].
Download PDF chapter PDF on USGS website

McGee, K.A., Doukas, M.P., McGimsey, R.G., Neal, C.A., and Wessels, R.L., 2010, Emission of SO2, CO2, and H2S from Augustine Volcano, 2002-2008, chapter 26 of Power, J.A., Coombs, M.L., and Freymueller, J.T., eds., The 2006 eruption of Augustine Volcano, Alaska: U.S. Geological Survey Professional Paper 1769, p. 609-627 [http://pubs.usgs.gov/pp/1769/chapters/p1769_chapter26.pdf].
Download PDF chapter PDF on USGS website

citation imageLarsen, J., Neal, C., Webley, P., Freymueller, J., Haney, M., McNutt, S., Schneider, D., Prejean, S., Schaefer, J., and Wessels, R., 2009, Eruption of Alaska volcano breaks historic pattern: Eos, Transactions, American Geophysical Union, v. 90, n. 20, p. 173-174.

citation imageMcGee, K.A., Doukas, M.P., McGimsey, R.G., Neal, C.A., and Wessels, R.L., 2008, Atmospheric contribution of gas emissions from Augustine volcano, Alaska during the 2006 eruption: Geophysical Research Letters, v. 35, L03306, doi: 10.1029/2007GL032301, 5 p.
http://dx.doi.org/10.1029/2007GL032301
Download PDF full-text PDF : 165 KB

citation imageHuggel, Christian, Caplan-Auerbach, Jacqueline, Waythomas, C.F., and Wessels, Rick, 2007, Monitoring and modeling ice-rock avalanches from ice-capped volcanoes: a case study of frequent large avalanches on Iliamna Volcano, Alaska: Journal of Volcanology and Geothermal Research, v. 168, p. 114-136, doi:10.1016/j.jvolgeores.2007.08.009.
http://dx.doi.org/10.1016/j.jvolgeores.2007.08.009

Neal, C.A., Coombs, Michelle, Wessels, Rick, and McGimsey, R.G., 2007, Volcanic disruption of summit ice at Mount Spurr Volcano, Alaska, 2004-2007 [abs.]: Geological Society of America - Abstracts with Programs, v. 39, n. 4, p. 20.

Wessels, Rick, Neal, C.A., Waythomas, Christopher, Huggel, Christian, and Dean, Ken, 2007, Satellite measurement of glaciers on volcanoes in Alaska: building an inventory of ice extent and hazards [abs.]: Geological Society of America - Abstracts with Programs, v. 39, n. 4, p. 20.

Webley, Peter, Dean, Ken, Dehn, Jon, Bailey, John, Schneider, Dave, Wessels, Rick, Lovick, Joseph, Rinkleff, Peter, and Izbekov, Pavel, 2006, The role of remote sensing in monitoring of Augustine Volcano [abs.]: Geological Society of America - Abstracts with Programs, v. 38, n. 5, p. 28.

citation imagePower, J.A., Nye, C.J., Coombs, M.L., Wessels, R.L., Cervelli, P.F., Dehn, J., Wallace, K.L., Freymueller, J.T., and Doukas, M.P., 2006, The reawakening of Alaska's Augustine Volcano: Eos, v. 87, n. 37, p. 373, 377.

citation imageCoombs, M.L., Neal, C.A., Wessels, R.L., and McGimsey, R.G., 2006, Geothermal disruption of summit glaciers at Mount Spurr Volcano, 2004-6: an unusual manifestation of volcanic unrest: U.S. Geological Survey Professional Paper 1732-B, 33 p., available at http://pubs.usgs.gov/pp/pp1732/pp1732b/index.html .
Download website with link to full-text PDF

McGimsey, R., Neal, C., Waythomas, C., Wessels, R., Coombs, M., Wallace, K., 2004, Headless debris flows from Mount Spurr Volcano, Alaska [abs.]: Transactions, American Geophysical Union, v. 85, n. 47, Abstract V43B-1430.

Ramsey, M.S., Dehn, J., Adleman, J.N., Larsen, J.F., McGimsey, R.G., Neal, C.A., and Wessels, R., 2003, Deciphering silicic dome emplacement processes in the northern Pacific: Quantitative analyses of high resolution satellite and field-based data [abs.]: in Fall meeting supplement, Eos, v. 84, n. 46, V51F-0346.
Download website with full text

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