Stratosphere Monitoring in Rikubetsu, Hokkaido

The website "Stratosphere Monitoring in Rikubetsu, Hokkaido" was closed in March 2018.
For previous monitoring activities, please refer to the web archive (as of October 10, 2017) on WARP, National Diet Library, Japan.

Currently, monitoring of the stratospheric ozone layer using broadband millimeter-wave radiometer has been taken over by Institute for Space-Earth Environmental Research (ISEE), Nagoya University.