|
| | Abstract | | As a part of the research leading to the prevention of the disaster accompanying the volcanic activity such as eruption, we researched the surface change of Kozusima Island which is the volcanic island, one of the Izu Islands, by SAR ( Synthetic Aperture Radar) interferometry analysis. Specifically, we examined the characteristics of long-term ground movement and the relationship between individual crustal activity and surface change. In Kozushima Island, discoloration in the surrounding water area are observed. This is the ejecta from the seabed of the volcanic crater may be the cause. For this reason, we considered this phenomenon as one of the crustal activity, analyzed the ground change in Kozushima Island at the time when discoloration was observed using SAR interferometry analysis and examined the relationship between them. In addition, the ownership of data of PALSAR-2 used for SAR interferometry analysis in this research is in Ministry of Economy and JAXA. These data are shared by PIXEL (PALSAR interferometry Consortium to Study our Evolving Land surface), and are provided by JAXA (Japan Aerospace Exploration Agency) under a collaborative research agreement between JAXA and the Tokyo University of Earthquake Research Institute. |
|
|
|
| |
|