Geochemical reactions and seismic activity lead to changes in the temperature and composition of volcanic gases. Laser spectroscopy enables online, in situ monitoring of volcanoes. In combination with fiber optic sensors, it may one day serve as the basis for a new type of eruption warning system.
© 2004 Optical Society of America
Ulrike Willer, Christian Bohling, and Wolfgang Schade, "Using optics to monitor volcanoes," Optics & Photonics News 15(3), 18-23 (2004)
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