@techreport{oai:jaxa.repo.nii.ac.jp:00004614, author = {福島, 洋 and 橋本, 学 and 山本, 圭吾 and Fukushima, Yo and Hashimoto, Manabu and Yamamoto, Keigo}, month = {}, note = {Detection of small displacements requires processing of many SAR interferograms to increase the signal-to-noise ratio. To efficiently perform this kind of analysis, we first developed an InSAR processing system that automatically outputs reliable SAR interferograms. Then, we performed InSAR analyses on two regions in Southwestern Japan: 1) Kinki region, central Honshu, and 2) Sakurajima volcano, southern Kyushu. The aim of the first target area was to detect secular deformation associated with subduction of the Philippine Sea Plate under Honshu. It became clear that the temporal decorrelation effect is not critically severe for long-term interferograms. It became clear also, however, that ionospheric noise was often dominant and deformation signals were not easy to be captured. The aim of the analysis on Sakurajima volcano was to map the detailed deformation pattern associated with its volcanic activity, which provides one of the most fundamental data for evaluating its future forecast. The InSAR results were in excellent consistency with the leveling results obtained along the coastal route. It became clear that removing altitude-dependent tropospheric artifacts would be important for accurately measuring the deformation further on areas where the topographic relief is important., 形態: カラー図版あり, 形態: DVD-ROM1枚, Physical characteristics: Original contains color illustrations, Note: One DVD-ROM, 資料番号: AA0065135144, レポート番号: JAXA-SP-11-007E}, title = {RESEARCH ON CRUSTAL DEFORMATION IN SOUTHWESTERN JAPAN USING SAR INTERFEROMETRY}, year = {2011} }