SBAS-InSAR analysis of surface deformation at Mauna Loa and Kilauea volcanoes in Hawaii
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Abstract
We investigate the deformation of Mauna Loa and Kllauea volcanoes, Hawai'i, by exploiting the advanced differential Synthetic Aperture Radar Interferometry (InSAR) technique referred to as the Small BAseline Subset (SBAS) algorithm. In particular, we present time series of line-of-sight (LOS) displacements derived from SAR data acquired by the ASAR instrument, on board the ENVISAT satellite, from the ascending (track 93) and descending (track 429) orbits between 2003 and 2008. For each coherent pixel of the radar images we compute time-dependent surface displacements as well as the average LOS deformation rate. Our results quantify, in space and time, the complex deformation of Mauna Loa and Kllauea volcanoes. The derived InSAR measurements are compared to continuous GPS data to asses the quality of the SBAS-InSAR products.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | SBAS-InSAR analysis of surface deformation at Mauna Loa and Kilauea volcanoes in Hawaii |
| ISBN | 9781424433957 |
| DOI | 10.1109/IGARSS.2009.5417600 |
| Volume | 4 |
| Year Published | 2009 |
| Language | English |
| Contributing office(s) | Volcano Hazards Program |
| Larger Work Title | International Geoscience and Remote Sensing Symposium (IGARSS) |
| Conference Title | 2009 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2009 |
| Conference Location | Cape Town |
| Conference Date | 12 July 2009 through 17 July 2009 |
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