TY - GEN
T1 - Monitoring Spatiotemporal Deformation of Tatun Volcano Group by Multi-Temporal Insar
AU - Liang, Hongyu
AU - Zhang, Lei
AU - Li, Xin
AU - DIng, Xiaoli
AU - Chen, Roufei
AU - Zhang, Bochen
AU - Du, Yanan
AU - Liu, Hongyu
PY - 2019/7
Y1 - 2019/7
N2 - Tatun volcano group, the last active volcano in Taiwan, is located in northern Taipei Basin, only 15 km north of the Taipei City. It was previously thought to be a dead volcano, but recent studies show that the last magmatic eruption happened about 5000 to 6000 years ago. The geothermal and seismic activities over the Tatun volcanic area have been highly active in recent years. The geochemical analysis implies the potential existing of the magma chamber under the ground surface of northern Taiwan which has the possibility of re-eruption in the future. In this study, we use ALOS-1/PALSAR images to monitor the surface deformation at the Tatun volcanic area. Stratified atmospheric delay and orbit errors are well considered and corrected by an adaptive patch-based method. The derived displacement history provides a detailed map of surface change with large spatial extent, which is validated by GPS measurements. The results demonstrate the capability of InSAR technique to monitor surface deformation over the volcanic zones.
AB - Tatun volcano group, the last active volcano in Taiwan, is located in northern Taipei Basin, only 15 km north of the Taipei City. It was previously thought to be a dead volcano, but recent studies show that the last magmatic eruption happened about 5000 to 6000 years ago. The geothermal and seismic activities over the Tatun volcanic area have been highly active in recent years. The geochemical analysis implies the potential existing of the magma chamber under the ground surface of northern Taiwan which has the possibility of re-eruption in the future. In this study, we use ALOS-1/PALSAR images to monitor the surface deformation at the Tatun volcanic area. Stratified atmospheric delay and orbit errors are well considered and corrected by an adaptive patch-based method. The derived displacement history provides a detailed map of surface change with large spatial extent, which is validated by GPS measurements. The results demonstrate the capability of InSAR technique to monitor surface deformation over the volcanic zones.
KW - InSAR
KW - Tatun volcano group
UR - http://www.scopus.com/inward/record.url?scp=85077721967&partnerID=8YFLogxK
U2 - 10.1109/IGARSS.2019.8899278
DO - 10.1109/IGARSS.2019.8899278
M3 - Conference article published in proceeding or book
AN - SCOPUS:85077721967
T3 - International Geoscience and Remote Sensing Symposium (IGARSS)
SP - 2022
EP - 2025
BT - 2019 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019 - Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 39th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019
Y2 - 28 July 2019 through 2 August 2019
ER -