The utility of TerraSAR-X, TanDEM-X, and PAZ for studying global volcanic activity: Successes, challenges, and future prospects
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Abstract
TerraSAR-X (TSX), TanDEM-X (TDX), and PAZ Synthetic Aperture Radar data have been used at over 120 volcanoes to assess surface characteristics and change over time. We examine previous work, adding additional examples to understand where and when these data are most useful for volcanology. We focus on volcanoes as part of the Committee on Earth Observation Satellites (CEOS) Volcano Demonstrator Project. TSX/TDX/PAZ data provide a valuable means of detecting small surface changes from amplitude images and topographic changes from bistatic TSX/TDX data. For short temporal and perpendicular baselines, TDX/TSX/PAZ can also provide useful deformation data, even in presence of vegetation. No global background mission currently acquires TSX/TDX/PAZ data at volcanoes: 70 % high spatial resolution data, limiting their suitability for studying pre-eruptive unrest. Coordinated targeting by SAR constellations of priority volcanoes would provide data and insights valuable for forecasting eruptions and associated hazards.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The utility of TerraSAR-X, TanDEM-X, and PAZ for studying global volcanic activity: Successes, challenges, and future prospects |
| Series title | Volcanica |
| DOI | 10.30909/vol.07.01.273301 |
| Volume | 7 |
| Issue | 1 |
| Publication Date | June 04, 2024 |
| Year Published | 2024 |
| Language | English |
| Publisher | Presses universitaires de Strasbourg |
| Contributing office(s) | Volcano Science Center |
| Description | 29 p. |
| First page | 273 |
| Last page | 301 |