This paper discusses the potential of using advanced satellite remote sensing techniques such as radar interferometry for millimeter-accuracy structural health monitoring over abandoned mines. Images covering the broader Springfield, IL, USA area were used to determine the potential of radar interferometry products from several satellite missions (e.g., Sentinel-1) by employing diverse processing techniques. The methodology and results for permanent scatterer interferometric synthetic aperture radar (PS-InSAR) solutions is presented in detail. The vertical movements calculated using PS-InSAR are validated using high precision in-situ surveying measurements. The practical limitations and considerations for utilizing PS-InSAR as an accurate and cost-effective operational procedure for the subsidence insurance industry are presented.
|Title of host publication||Seventh International Conference on Remote Sensing and Geoinformation of the Environment, RSCy 2019|
|Editors||Kyriacos Themistocleous, Giorgos Papadavid, Silas Michaelides, Vincent Ambrosia, Diofantos G. Hadjimitsis|
|State||Published - 2019|
|Event||7th International Conference on Remote Sensing and Geoinformation of the Environment, RSCy 2019 - Paphos, Cyprus|
Duration: Mar 18 2019 → Mar 21 2019
|Name||Proceedings of SPIE - The International Society for Optical Engineering|
|Conference||7th International Conference on Remote Sensing and Geoinformation of the Environment, RSCy 2019|
|Period||3/18/19 → 3/21/19|
Bibliographical noteFunding Information:
The European Commission in partnership with the European Space Agency lead the Copernicus Earth Observation initiative that aims to provide the society with accurate, timely and free-of-charge satellite data records. The Copernicus is supported by the Sentinel family of satellites. Each family member is designed to serve different scientific, environmental and societal domains. The Sentinel-1 satellites carry a C-band SAR instrument that acquires radar images day and night regardless of the weather conditions. At present two such satellites are in orbit: Sentinel-1A launched in 2014 and Sentinel-1B launched in 2016. This two-satellite constellation permits monitoring of the same area on the Earth every 6 days. Two more satellites (Sentinel-1C & -1D) are already in their development phase with a scheduled launch date in 2022 and 2023 respectively  The short revisit time, the free and ease availability of products and the expected continuity of service for at least one more decade makes Sentinel-1 imagery a compelling input in any operational decision-making and monitoring scheme that requires accurate and continuous earth observation data. A potential beneficiary of such a system is the Illinois Mine Subsidence Insurance Fund (IMSIF) that provides reinsurance to insurance companies for damage caused by mine subsidence. To accomplish its goal the IMSIF perform geotechnical and geodetic monitoring programs that aim to identify the source of subsidence (or precursor signs in foundation, basement walls, etc.) and officially characterize it (or not) as mine subsidence.
This study is a result of a research project which was completed at the University of Kentucky and funded by the Illinois Mine Subsidence Insurance Fund.
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- permanent scatterer
- radar interferometry
- structural health
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering