Search Results - "Webley, P.W."

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 by Webley, P.W., Stunder, B.J.B., Dean, K.G.

“…Ash clouds are one of the major hazards that result from volcanic eruptions. Once an eruption is reported, volcanic ash transport and dispersion (VATD) models…”
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The 2009 Eruption of Redoubt Volcano, Alaska by WAYTHOMAS, Christopher F, WEBLEY, P.W

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Predicting eruptions from precursory activity using remote sensing data hybridization by Reath, K.A., Ramsey, M.S., Dehn, J., Webley, P.W.

“…Many volcanoes produce some level of precursory activity prior to an eruption. This activity may or may not be detected depending on the available monitoring…”
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Integrating SAR and derived products into operational volcano monitoring and decision support systems by Meyer, F.J., McAlpin, D.B., Gong, W., Ajadi, O., Arko, S., Webley, P.W., Dehn, J.

“…Remote sensing plays a critical role in operational volcano monitoring due to the often remote locations of volcanic systems and the large spatial extent of…”
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Virtual Globe visualization of ash–aviation encounters, with the special case of the 1989 Redoubt–KLM incident by Webley, P.W.

“…The impact of natural hazards on the local environment causes major issues for those agencies responsible for warning and understanding of the risks. Analysis…”
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Near-real-time volcanic ash cloud detection: Experiences from the Alaska Volcano Observatory by Webley, P.W., Dehn, J., Lovick, J., Dean, K.G., Bailey, J.E., Valcic, L.

“…Volcanic eruptions produce ash clouds, which are a major hazard to population centers and the aviation community. Within the North Pacific (NOPAC) region,…”
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Remote observations of eruptive clouds and surface thermal activity during the 2009 eruption of Redoubt volcano by Webley, P.W., Lopez, T.M., Ekstrand, A.L., Dean, K.G., Rinkleff, P., Dehn, J., Cahill, C.F., Wessels, R.L., Bailey, J.E., Izbekov, P., Worden, A.

“…Volcanoes often erupt explosively and generate a variety of hazards including volcanic ash clouds and gaseous plumes. These clouds and plumes are a significant…”
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Determining radio wave delay by non-hydrostatic atmospheric modelling of water vapour over mountains by Webley, P.W., Wadge, G., James, I.N.

“…Meteorological modelling of tropospheric water vapour over and around Mount Etna, Sicily is used to determine the atmospheric delay on radio waves used in…”
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Atmospheric water vapour correction to InSAR surface motion measurements on mountains: results from a dense GPS network on Mount Etna by Webley, P.W., Bingley, R.M., Dodson, A.H., Wadge, G., Waugh, S.J., James, I.N.

“…In order for synthetic aperture radar interferometry (InSAR) to effectively measure the pattern of surface deformations of dynamic phenomena, such as…”
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