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The potential for unifying global‐scale satellite measurements of ground displacements using radio telescopes
Citation
Parker, AL and McCallum, L and Featherstone, WE and McCallum, JN and Haas, R, The potential for unifying global‐scale satellite measurements of ground displacements using radio telescopes, Geophysical Research Letters, 46, (21) pp. 11841-11849. ISSN 0094-8276 (2019) [Refereed Article]
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Copyright Statement
©2019. American Geophysical Union. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) http://creativecommons.org/licenses/by/4.0/
Abstract
The expansion of globally consistent satellite‐radar imagery presents new opportunities to measure Earth‐surface displacements on intercontinental scales. Yet global applications, including a complete assessment of the land contribution to relative sea‐level rise, first demand new solutions to unify relative satellite‐radar observations in a geocentric reference frame. The international network of Very Long Baseline Interferometry telescopes provides an existing, yet unexploited, link to unify satellite‐radar measurements on a global scale. Proof‐of‐concept experiments reveal the suitability of these instruments as high‐amplitude reflectors for satellite radar and thus provide direct connections to a globally consistent reference frame. Automated tracking of radar satellites is easily integrated into telescope operations alongside ongoing schedules for geodesy and astrometry. Utilizing existing telescopes in this way completely avoids the need for additional geodetic infrastructure or ground surveys and is ready to implement immediately across the telescope network as a first step toward using satellite radar on a global scale.
Item Details
| Item Type: | Refereed Article |
|---|---|
| Keywords: | VLBI, SAR, radio telescopes, InSAR geodesy, ground displacements |
| Research Division: | Earth Sciences |
| Research Group: | Geophysics |
| Research Field: | Geodesy |
| Objective Division: | Expanding Knowledge |
| Objective Group: | Expanding knowledge |
| Objective Field: | Expanding knowledge in the earth sciences |
| UTAS Author: | McCallum, L (Dr Lucia McCallum) |
| UTAS Author: | McCallum, JN (Dr Jamie McCallum) |
| ID Code: | 135924 |
| Year Published: | 2019 |
| Funding Support: | Australian Research Council (DE180100245) |
| Web of Science® Times Cited: | 2 |
| Deposited By: | Physics |
| Deposited On: | 2019-11-21 |
| Last Modified: | 2022-08-23 |
| Downloads: | 25 View Download Statistics |
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