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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.

Peter Webley
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Department: Remote Sensing
Institute: UAF/GI
Office: 474-1542
Website: http://www.gi.alaska.edu/~pweb
ley/
Address: Fairbanks, AK 99775
Discipline(s):Remote Sensing
Computer Systems/Database/GIS
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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.
[Show Publications]

A multi-sensor plume height analysis of the 2009 Redoubt eruption, 2013
Ekstrand, 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
http://dx.doi.org/10.1016/j.jvolgeores.2012.09.008


Evaluation of Redoubt Volcano's sulfur dioxide emissions by the Ozone Monitoring Instrument, 2013
Lopez, 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
http://dx.doi.org/10.1016/j.jvolgeores.2012.03.002


Preface to the special issue of JVGR on the 2009 eruption of Redoubt Volcano, Alaska, 2013
Waythomas, 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
http://dx.doi.org/10.1016/j.jvolgeores.2013.05.013


Qualitative comparison of Mount Redoubt 2009 volcanic clouds using the PUFF and WRF-Chem dispersion models and satellite remote sensing data, 2013
Steensen, 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
http://dx.doi.org/10.1016/j.jvolgeores.2012.02.018


Remote observations of eruptive clouds and surface thermal activity during the 2009 eruption of Redoubt Volcano, 2013
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


The 2009 eruption of Redoubt Volcano, Alaska, 2012
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


Virtual Globe visualization of ash-aviation encounters, with the special case of the 1989 Redoubt-KLM incident, 2011
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 .
http://dx.doi.org/10.1016/j.cageo.2010.02.005


Evidence of atmospheric gravity waves during the 2008 eruption of Okmok volcano from seismic and remote sensing observations, 2011
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.
http://dx.doi.org/10.1029/2011GL047144


Volcanic ash fuels anomalous plankton bloom in subarctic northeast Pacific, 2010
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 .
http://dx.doi.org/10.1029/2010GL044629


Aerosol measurements from a recent Alaskan volcanic eruption: Implications for volcanic ash transport predictions, 2010
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 .
http://dx.doi.org/10.1016/j.jvolgeores.2010.08.012


Satellite observations of a surtseyan eruption: Hunga Ha'apai, Tonga, 2010
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 .
http://dx.doi.org/10.1016/j.jvolgeores.2010.08.017


Integrated satellite observations of the 2006 eruption of Augustine Volcano, 2010
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


Volcanic-ash dispersion modeling of the 2006 eruption of Augustine Volcano Using the Puff Model, 2010
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


Eruption of Alaska volcano breaks historic pattern, 2009
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.


Improved prediction and tracking of volcanic ash clouds, 2009
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 .
http://dx.doi.org/10.1016/j.jvolgeores.2008.10.022


A multidisciplinary effort to assign realistic source parameters to models of volcanic ash-cloud transport and dispersion during eruptions, 2009
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 .
http://dx.doi.org/10.1016/j.jvolgeores.2009.01.008


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, 2009
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 .
http://dx.doi.org/10.1016/j.jvolgeores.2009.02.012


Near-real-time volcanic ash cloud detection: Experiences from the Alaska Volcano Observatory, 2009
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 .
http://dx.doi.org/10.1016/j.jvolgeores.2009.02.010


Automated forecasting of volcanic ash dispersion utilizing Virtual Globes, 2009
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 .
http://dx.doi.org/10.1007/s11069-008-9246-2


Volcanic ash dispersion modeling: the Puff model, 2008
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.


Evolution and advances in satellite analysis of volcanoes, 2008
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.


Satellite remote sensing tools at the Alaska Volcano Observatory, 2008
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.


Volcanic ash modeling for North Pacific volcanoes automated operational monitoring and virtual globes, 2007
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 .


Predicting and validating the motion of an ash cloud during the 2006 eruption of Mount Augustine volcano, Alaska, USA, 2007
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.


The role of remote sensing in monitoring of Augustine Volcano, 2006
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.


The use of high resolution NWP data for dispersion modeling of airborne volcanic ash and tephra fallout, 2006
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.


Volcano monitoring using Google Earth, 2006
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.


Size- and time-resolved composition of volcanic ash from Augustine Volcano, Alaska, 2006
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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