This data was created based on the monitoring results of seawater in the "Results of Environmental Radioactivity Monitoring by Fukushima Prefecture (Ports and Sea Surface Fishing Ground)" relea...
  1. This data was created based on the monitoring results of seawater in the "Results of Environmental Radioactivity Monitoring by Fukushima Prefecture (Ports and Sea Surface Fishing Ground)" released to the public in the Fukushima Prefecture Government website.
  2. The survey has been conducted continuously since May 2011 till present.
  3. Data collection and release were ended March 2017 because radioactive cesium had not continuously been detected since November 2012.
Publicly available data collected from the website of the relevant organizations and converted into CSV, XML, and KML formats that were easy to use.

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