Multiple sensors applied to monitorland subsidence in Central Taiwan

W. C. Hung*, C. Wang, Chein-way Hwang, Y. A. Chen, H. C. Chiu, S. H. Lin

*Corresponding author for this work

Research output: Contribution to journalConference article

Abstract

During 1992-2013, pumping of groundwater caused large-scale aquifer-system compaction and land subsidence in the Choshui River Alluvial Fan (CRAF) in Taiwan. The subsidence has already endangered the operation of Taiwan High Speed Rail (THSR). In this paper, we introduce the multiple sensors monitoring system to study the extent of subsidence in CRAF and its mechanism, including GPS (Global Positioning System), PSI (Persistent Scatterer Interferometry), leveling and multi-layer compaction monitoring well. These sensors complement each other in spatial and temporal resolutions.

Original languageEnglish
Pages (from-to)385-391
Number of pages7
JournalProceedings of the International Association of Hydrological Sciences
Volume372
DOIs
StatePublished - 12 Nov 2015
Event9th International Symposium on Land Subsidence, NISOLS 2015 - Nagoya, Japan
Duration: 15 Nov 201519 Nov 2015

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