Joyce, Karen, Samsonov, Sergey, and Jolly, Gill (2008) Satellite remote sensing of volcanic activity in New Zealand. In: Proceedings of the 2nd Workshop on USE of Remote Sensing Techniques for Monitoring Volcanoes and Seismogenic Areas. From: USERest 08: 2nd Workshop on USE of Remote Sensing Techniques for Monitoring Volcanoes and Seismogenic Areas, 11-14 November 2009, Naples, Italy.

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Abstract

Mt Ruapehu is New Zealand's most active volcano. In 2007, the volcano produced a large lahar following a crater lake dam wall breach, in addition to a minor eruption and small associated lahars. Here, satellite remote sensing and image processing is used to extract the path of the major lahar, and to compare the results achieved through classification of ASTER visible and near infra-red imagery to those derived from ALOS-PALSAR L-band synthetic aperture RADAR data. This study also details how remote sensing can be used to derive temperature values useful for monitoring volcanic activity. Eleven ASTER thermal images were acquired to extract the temperature of the crater lake and a linear correlation coefficient (r2) of 0.94 was achieved when compared to field survey. The results herein demonstrate the utility of satellite remote sensing for mapping and monitoring volcanic activity in New Zealand.

Item ID:	40849
Item Type:	Conference Item (Non-Refereed Research Paper)
ISBN:	978-1-4244-2546-4
Keywords:	remote sensing; temperature; geology
Date Deposited:	23 Nov 2017 03:48
FoR Codes:	04 EARTH SCIENCES > 0406 Physical Geography and Environmental Geoscience > 040604 Natural Hazards @ 20% 05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050206 Environmental Monitoring @ 20% 09 ENGINEERING > 0909 Geomatic Engineering > 090905 Photogrammetry and Remote Sensing @ 60%
SEO Codes:	96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960599 Ecosystem Assessment and Management not elsewhere classified @ 100%
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