We, three universities and three institutes of Environmental Radioactivity Research Network Center, started to publish environmental radioactivity dataset with DOI on 25th July 2019. CRiED, Univ. of Tsukuba is a publisher of DOI and our services are generally open for archiving, publishing, and re-usage of data regarding with environmental radioactivity before and after Fukushima accident.
In this web site, you can download dataset(s) which were published with DOI and can use them. You are free to share and adapt the data when you give appropriate credit following Creative Commons Attribution 4.0 International License.
An excellent service provided in this site is that you can also search raw data in published dataset in this web site and download then with original DOI name and data ID, by using them you can trace to raw data in each dataset.