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Site Policy

This site is based on JAMSTEC site policy except for the recommended operational environments.

Recommended environments


  • Microsoft Edge latest edition
  • Safari latest edition
  • Google Chrome latest edition

Viewport size of browsers

We recommend using viewport size of browsers more than 1024 * 768 pixels.
Some contents of this website are responsively designed to work on different screen sizes.
The layout of contents will change to respond to the screen size.


This site contains JavaScript.
In order to view all of the contents, JavaScript must be enabled within your browser settings. Please see a help page of your browser to enable JavaScript.