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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.

Peter Webley
Department: Remote Sensing
Institute: UAF/GI
Website: http://www.gi.alaska.edu/~pweb
Address: Fairbanks, AK 99775
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Peter is responsible for the maintenance and operational predictions of the Puff Dispersion model. He is also part of the AVO Remote Sensing group and is one of the Duty Remote Sensing rota.

citation imageWorden, Anna, Dehn, Jonathan, and Webley, Peter, 2014. Frequency based satellite monitoring of small scale explosive activity at remote North Pacific volcanoes: Journal of Volcanology and Geothermal Research, v. 286, 14 p., http://dx.doi.org/10.1016/j.jvolgeores.2014.08.019

citation imageEkstrand, A.L., Webley, P.W., Garay, M.J., Dehn, Jonathan, Prakash, Anupma, Nelson, D.L., Dean, K.G., and Steensen, Torge, 2013, A multi-sensor plume height analysis of the 2009 Redoubt eruption: Journal of Volcanology and Geothermal Research, v. 259, p. 170-184, doi: 10.1016/j.jvolgeores.2012.09.008

citation imageLopez, Taryn, Carn, Simon, Werner, Cynthia, Fee, David, Kelly, Peter, Doukas, Michael, Pfeffer, Melissa, Webley, Peter, Cahill, Catherine, and Schneider, David, 2013, Evaluation of Redoubt Volcano's sulfur dioxide emissions by the Ozone Monitoring Instrument: Journal of Volcanology and Geothermal Research, v. 259, p. 290-307, doi:10.1016/j.jvolgeores.2012.03.002

citation imageWaythomas, C.F., and Webley, P.W., eds., 2013, Preface to the special issue of JVGR on the 2009 eruption of Redoubt Volcano, Alaska: Journal of Volcanology and Geothermal Research v. 259, p. 1, doi:10.1016/j.jvolgeores.2013.05.013

citation imageSteensen, T., Stufer, M., Webley, P., Grell, G., and Freitas, S., 2013, Qualitative comparison of Mount Redoubt 2009 volcanic clouds using the PUFF and WRF-Chem dispersion models and satellite remote sensing data: Journal of Volcanology and Geothermal Research, v. 259, p. 235-247, doi:10.1016/j.jvolgeores.2012.02.018

citation imageWebley, 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

Schaefer, J.R., ed., 2012, The 2009 eruption of Redoubt Volcano, Alaska, with contributions by Bull, Katharine, Cameron, Cheryl, Coombs, Michelle, Diefenbach, Angie, Lopez, Taryn, McNutt, Steve, Neal, Christina, Payne, Allison, Power, John, Schneider, Dave, Scott, William, Snedigar, Seth, Thompson, Glenn, Wallace, Kristi, Waythomas, Chris, Webley, Peter, and Werner, Cynthia: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2011-5, 45 p., available at http://www.dggs.alaska.gov/pubs/id/23123.
Download link to PDF on ADGGS website

Webley, P.W., 2011, Virtual Globe visualization of ash-aviation encounters, with the special case of the 1989 Redoubt-KLM incident: Computers & Geoscience, v. 37, p. 25-37, doi: 10.1016/j.cageo.2010.02.005 .

De Angelis, S., McNutt, S.R., and Webley, P.W., 2011, Evidence of atmospheric gravity waves during the 2008 eruption of Okmok volcano from seismic and remote sensing observations: Geophysical Research Letters, v. 38, L10303, doi:10.1029/2011GL047144, 6 p.

citation imageHamme, R.C., Webley, P.W., Crawford, W.R., Whitney, F.A., DeGrandpre, M.D., Emerson, S.R., Eriksen, C.C., Giesbrecht, K.E., Gower, J.F.R., Kavanaugh, M.T., Pena, M.A., Sabine, C.L., Batten, S.D., Coogan, L.A., Grundle, D.S., and Lockwood, Deirdre, 2010, Volcanic ash fuels anomalous plankton bloom in subarctic northeast Pacific: Geophysical Research Letters, v. 37, L19604, 5 p., doi: 10.1029/2010GL044629 .

citation imageCahill, C.F., Rinkleff, P.G., Dehn, Jonathan, Webley, P.W., Cahill, T.A., and Barnes, D.E., 2010, Aerosol measurements from a recent Alaskan volcanic eruption: Implications for volcanic ash transport predictions: Journal of Volcanology and Geothermal Research, v. 198, n. 1-2, p. 76-80, doi:10.1016/j.jvolgeores.2010.08.012 .

citation imageVaughan, R.G., and Webley, P.W., 2010, Satellite observations of a surtseyan eruption: Hunga Ha'apai, Tonga: Journal of Volcanology and Geothermal Research, v. 198, 10 p., doi:10.1016/j.jvolgeores.2010.08.017 .

Bailey, J.E., Dean, K.G., Dehn, Jonathan, and Webley, P.W., 2010, Integrated satellite observations of the 2006 eruption of Augustine Volcano, chapter 20 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. 481-506 [http://pubs.usgs.gov/pp/1769/chapters/p1769_chapter20.pdf].
Download PDF chapter PDF on USGS website

Webley, P.W., Dean, K.G., Dehn, Jonathan, Bailey, J.E., and Peterson, Rorik, 2010, Volcanic-ash dispersion modeling of the 2006 eruption of Augustine Volcano Using the Puff Model, chapter 21 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. 507-526 [http://pubs.usgs.gov/pp/1769/chapters/p1769_chapter21.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 imageWebley, Peter, and Mastin, Larry, 2009, Improved prediction and tracking of volcanic ash clouds: Journal of Volcanology and Geothermal Research, v. 186, n. 1-2, p. 1-9, doi:10.1016/j.jvolgeores.2008.10.022 .

citation imageMastin, L.G., Guffanti, M., Servranckx, R., Webley, P., Barsotti, S., Dean, K., Durant, A., Ewert, J.W., Neri, A., Rose, W.I., Schneider, D., Siebert, L., Stunder, B., Swanson, G., Tupper, A., Volentik, A., and Waythomas, C.F., 2009, A multidisciplinary effort to assign realistic source parameters to models of volcanic ash-cloud transport and dispersion during eruptions: Journal of Volcanology and Geothermal Research, v. 186, n. 1-2, p. 10-21, doi:10.1016/j.jvolgeores.2009.01.008 .

citation imageWebley, P.W., Stunder, B.J.B., and Dean, K.G., 2009, Preliminary sensitivity study of eruption source parameters for operational volcanic ash cloud transport and dispersion models - A case study of the August 1992 eruption of the Crater Peak vent, Mount Spurr, Alaska: Journal of Volcanology and Geothermal Research, v. 186, n. 1-2, p. 108-119, doi:10.1016/j.jvolgeores.2009.02.012 .

citation imageWebley, P.W., Dehn, J., Lovick, J., Dean, K.G., Bailey, J.E., and Valcic, L., 2009, Near-real-time volcanic ash cloud detection: Experiences from the Alaska Volcano Observatory: Journal of Volcanology and Geothermal Research, v. 186, n. 1-2, p. 79-90, doi:10.1016/j.jvolgeores.2009.02.010 .

citation imageWebley,P.W., Dean, Kenneson, Bailey, J.E., Dehn, Jon, and Peterson, Rorik, 2009, Automated forecasting of volcanic ash dispersion utilizing Virtual Globes: Natural Hazards, v. 51, p. 345-361, doi: 10.1007/s11069-008-9246-2 .

Peterson, R., Dean, K.G., and Webley, P.W., 2008, Volcanic ash dispersion modeling: the Puff model [abs.]: Eos, Transactions, Americal Geophysical Union, v. 89, n. 53, 1 p.

Dean, K.G., Dehn, J., Webley, P., and Bailey, J., 2008, Evolution and advances in satellite analysis of volcanoes [abs.]: Eos, Transactions, American Geophysical Union, v. 89, n. 53, 1 p.

Dehn, J., Dean, K., Webley, P., Bailey, J., and Valcic, L., 2008, Satellite remote sensing tools at the Alaska Volcano Observatory [abs.]: Eos, Transactions, American Geophysical Union, v. 89, n. 53, 1 p.

citation imageWebley, P.W., Dean, Kenneson, Bailey, J.E., and Peterson, Rorik, 2007, Volcanic ash modeling for North Pacific volcanoes automated operational monitoring and virtual globes: Fourth International Workshop on Volcanic Ash, World Meterological Organization (WMO) in close collaboration with the International Civil Aviation Organziation (ICAO) and the Civil Aviation Authority of New Zealand, Rotorua, New Zealand, 26-20 March, 2007, 8 p., available at http://www.caa.govt.nz/Volcanic_Ash_Workshop/Papers/VAWS4WP0605.pdf .

Collins, R.L., Fochesatto, J., Sassen, K., Webley, P.W., Atkinson, D.E., Dean, K., Cahill, C.F., and Mizutani, K., 2007, Predicting and validating the motion of an ash cloud during the 2006 eruption of Mount Augustine volcano, Alaska, USA: Journal of the National Institute of Information and Communications Technology, v. 54, n. 1-2, p. 17-28.

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.

Morton, Don, Webley, P.W., Dean, K.G., and Peterson, R., 2006, The use of high resolution NWP data for dispersion modeling of airborne volcanic ash and tephra fallout [abs.]: Eos, Joint Assembly Supplement, v. 87.

Bailey, J.E., Dehn, Jonathan, Webley, Peter, and Skoog, Ray, 2006, Volcano monitoring using Google Earth [abs.]: Eos, Joint Assembly Supplement, v. 87, abstract IN43A-0898.

Cahill, C.F., Cahill, T.A., Webley, P., Wallace, K.L., Dean, K.G., and Dehn, J., 2006, Size- and time-resolved composition of volcanic ash from Augustine Volcano, Alaska [abs.]: Eos, Joint Assembly Supplement, v. 87, abstract V22B-05.

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