open access

https://hdl.handle.net/2115/57956

Development of Crustal Deformation Database System

日本語

2010-08-25

日本測地学会

測地学会誌

56(2)

47-57

We have developed an easy-to-use Crustal Deformation Database (CDD) for strain, tilt and other long-term geophysical data. WWW-based user interface is employed for operations and the servers are connected to internet. Anyone who has internet connections and web browser, therefore, are easily possible to refer and download data from anywhere. We have adopted the WIN format (de facto standard format for the seismic data exchange in Japan) for data acquisition and management, because it can treat any sampling interval data without re-sampling procedure during data processing. This database has following functions; 1) data drawing on the display for selected period from 1 second to 10 years, 2) data download for selected channels and period, and 3) several data analyses, i.e., filtering, tidal analysis by BAYTAP-G program, plane strain analysis and its linkage to seismic data. Trial run of CDD is in operation from 2004 and 66 stations data operated by Hokkaido University, Tohoku University, University of Tokyo, Nagoya University, Kyushu University, Tono Research Institute of Earthquake Science, Geological Survey of Hokkaido and National Astronomical Observatory of Japan have been stored to CDD in real time and above functions are in use. We hope any institutions operating crustal deformation observation will join our CDD network to establish unified CDD of Japan.

学術雑誌論文

Version of Record

0038-0830

2185-517X