Surface deformation analysis of the Mauna Loa and Kīlauea volcanoes, Hawai‘i, based on InSAR displacement time series
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Abstract
We investigate the deformation of Mauna Loa and Kilauea 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 Kilauea 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 | Surface deformation analysis of the Mauna Loa and Kīlauea volcanoes, Hawai‘i, based on InSAR displacement time series |
| DOI | 10.1109/USEREST.2008.4740368 |
| Year Published | 2009 |
| Language | English |
| Publisher | IEEE |
| Contributing office(s) | Hawaiian Volcano Observatory, Volcano Science Center |
| Description | 4 p. |
| Larger Work Type | Conference Paper |
| Larger Work Title | IEEE Conference Publications Program |
| Conference Title | Second workshop on use of remote sensing techniques for monitoring volcanoes and seismogenic areas |
| Conference Location | Naples, Italy |
| Conference Date | November 11-14, 2008 |
| Country | United States |
| State | Hawaii |
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