Volcanic ash detection and cloud top height estimates from the GOES-12 imager: Coping without a 12 μm infrared band

Details Volcanic ash detection and cloud top height estimates from the GOES-12 imager: Coping without a 12 μm infrared band Volcanic ash detection and cloud top height estimates from the GOES-12 imager: Coping without a 12 μm infrared band

Aug 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3115110e&link_type=abstract

Geophysical Research Letters, Volume 31, Issue 15, CiteID L15110

Computer Science

Sound

Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801), Meteorology And Atmospheric Dynamics: Remote Sensing, Volcanology: Atmospheric Effects (0370), Volcanology: Eruption Monitoring (7280), Volcanology: Instruments And Techniques

Scientific paper

The Geostationary Operational Environmental Satellite (GOES)-12 Imager, which was activated 1 April 2003, has been re-configured with the addition of a 13.3 μm Infrared (IR) spectral band, in place of the ``split window'' 12.0 μm band. Since the latter channel had been successfully used for volcanic ash detection from GOES for nearly ten years, there is some concern about the impact of this change on short term warnings and forecasts for aviation operations over North and South America. The first significant volcanic eruptions observed by the new GOES-12 satellite occurred during 12-15 July 2003 at the Soufriere Hills Volcano, Montserrat. GOES-12 was able to observe the eruption clouds adequately during this period using multi-spectral techniques. Based on comparisons with multi-spectral images from the GOES Sounder, GOES-12 ash detection capability for this event was equal in quality to what would have been available from prior GOES with a 12.0 μm band.

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