Other
Scientific paper
Apr 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992georl..19..725b&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 19, April 3, 1992, p. 725-728. Research supported by CNRS and CNES.
Other
6
Advanced Very High Resolution Radiometer, Earth Observations (From Space), Geothermal Anomalies, Thematic Mappers (Landsat), Volcanoes, Landsat Satellites, Noaa Satellites, Sicily, Thermal Mapping
Scientific paper
In order to detect and emphasize small anomalies in the surface temperature of the ground, a new method is developed which is based on the joint use of two satellite radiometers: the NOAA-AVHRR for the quality of its thermal band calibration and the Landsat TM for its high spatial resolution. This method is applied to the Mount Etna volcano, Sicily, and reveals several thermal anomalies. One anomaly is already known, and is associated with the permanently active craters of the summit zone. The second is a larger area where an eruption occurred one week after the data acquisition 23 October, 1986. The general trend of the thermal anomalies leads to recognition of a large, semicircular intrusive zone corresponding to the borders of the well-known Valle del Bove.
Bonneville Alain
Gouze Philippe
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