IUGG Perugia session announcement

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IUGG Perugia
General Assembly, Perugia, Italy, 2-13 July, 2007
New Techniques Using Remote Sensing Data
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Dear colleagues,

We  would like to draw your attention to our session at the IUGG 2007 on
"New Techniques using Remote Sensing Data for Volcano Monitoring and Analysis: Observations, Integration, Hazard Assessments and Modeling "

Convener:
Ken Dean, Alaska Volcano Observatory, University of Alaska, USA
email: ken.dean@xxxxxxxxxxxxx

Co-Conveners
David Rothery, The Open University, UK
<mailto:D.A.Rothery@xxxxxxxxxx>D.A.Rothery@xxxxxxxxxx

Valerio Lombardo, Remote Sensing Laboratory
email:  lombardo@xxxxxxx

A description of the session is provided below.

The use of remote sensing data and modeling to monitor and analyze volcanoes, and to assess hazards, has significantly improved over the past few years. These data provide a better understanding of eruption processes, distribution of eruption deposits and hazard assessments. New sensors have been launched that provide various facets of resolution not previously available. The number of satellites with hourly to daily coverage has increased, and some of these have pixels as small as 250 m pixels and as many as 36 spectral bands. Moderate spatial resolution sensors provide multi-spectral bands in visible and IR wavelengths with pointing capabilities that can provide coverage every few days. Data with spatial resolution up to 60 cm are also available. Due to these improvements, subtle increases in activity and volcanic processes can now be detected, measured and analyzed, such as increases in thermal flux and details in the structure and composition of volcanic clouds and deposits. Modeling has also become an important tool for prediction of activity using DEMs to analyze topographic change and wind-fields to predict the movement of volcanic clouds. New field-instruments, such as TIR cameras, radiometers, and webcams detect volcanic processes not seen from satellites and provide calibration and validation of satellite data. Parallel to sensor developments, improvements in connectivity, infrastructure and web browsers have resulted in better and more timely analysis capabilities and data distribution. Satellite data are now received by local stations to provide real-time images to monitor and assess volcanoes in Italy, Central America, Alaska, Hawaii, Kamchatka and other regions. Contributions on the use of these new remote sensing systems and techniques to analyze or model volcanoes, eruptions and hazard assessments are encouraged for this session. Also, with the aging of moderate resolution sensors (e.g. ASTER and Landsat), we encourage presentations on replacement or development of new sensors to fill this void.

For additional information on the IUGG general assembly 2007 visit http://www.iugg2007perugia.it/ The abstract deadline is 31 January, 2007.

Best regards,

Ken Dean


Ken Dean
Geophysical Institute, Alaska Volcano Observatory
903 Koyukuk Dr., P.O. Box 757320
Fairbanks, Alaska 99775-7320

Tel. (907) 474-7364
Fax (907) 474-7290
email:  ken.dean@xxxxxxxxxxxxx

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