OBSERVATION OF GROUND DEFORMATION IN THE OSAKA AND KANTO PLAINS WITH ALOS-2/PALSAR-2

被引：1
|
作者：
Hashimoto, Manabu [1 ]
机构：
[1] Kyoto Univ, Disaster Prevent Res Inst, Kyoto 6068501, Japan
来源：
2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2016年
关键词：
ALOS/PALSAR; ALOS-2/PALSAR-2; ground deformation; alluvial plain; active fault;
D O I：
10.1109/IGARSS.2016.7730000
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We have studied ground deformation in the Osaka and Kanto plains, Japan, using ALOS/PALSAR and revealed unique deformations related to active faults. In order to clarify their evolution after 2011, we analyzed strip-map mode images of ALOS-2/PALSAR-2 acquired during 2014 - 2015. In Osaka, we did not find deformation observed before 2011 such as uplift in southern Kyoto and subsidence along the Arima-Takatsuki fault, even after we corrected altitude dependent error of phase for interferograms with quadratic functions. We found less than 1 cm/yr LOS changes, but correlation with deformation is poor possibly due to short interval. We also found anomalous LOS decrease in a basin in northwestern Kanto in summer, which might be attributed to dense water vapor concentration.
引用
收藏
页码：3855 / 3858
页数：4
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