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Remote Sens. 2014, 6(3), 2282-2295; doi:10.3390/rs6032282

Early Analysis of Landsat-8 Thermal Infrared Sensor Imagery of Volcanic Activity

Centre for Disaster Management and Hazards Research, Coventry University, Priory Street, Coventry, CV1 5FB, UK
Received: 18 October 2013 / Revised: 21 February 2014 / Accepted: 10 March 2014 / Published: 12 March 2014
(This article belongs to the Special Issue Analysis of Remote Sensing Image Data)
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The Landsat-8 satellite of the Landsat Data Continuity Mission was launched by the National Aeronautics and Space Administration (NASA) in April 2013. Just weeks after it entered active service, its sensors observed activity at Paluweh Volcano, Indonesia. Given that the image acquired was in the daytime, its shortwave infrared observations were contaminated with reflected solar radiation; however, those of the satellite’s Thermal Infrared Sensor (TIRS) show thermal emission from the volcano’s summit and flanks. These emissions detected in sensor’s band 10 (10.60–11.19 µm) have here been quantified in terms of radiant power, to confirm reports of the actual volcanic processes operating at the time of image acquisition, and to form an initial assessment of the TIRS in its volcanic observation capabilities. Data from band 11 have been neglected as its data have been shown to be unreliable at the time of writing. At the instant of image acquisition, the thermal emission of the volcano was found to be 345 MW. This value is shown to be on the same order of magnitude as similarly timed NASA Earth Observing System (EOS) Moderate Resolution Imaging Spectroradiometer thermal observations. Given its unique characteristics, the TIRS shows much potential for providing useful, detailed and accurate volcanic observations in the future.
Keywords: thermal remote sensing; volcanoes; Landsat; LCDM; Paluweh thermal remote sensing; volcanoes; Landsat; LCDM; Paluweh

This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Blackett, M. Early Analysis of Landsat-8 Thermal Infrared Sensor Imagery of Volcanic Activity. Remote Sens. 2014, 6, 2282-2295.

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