Welcome to Environmental Radioactivity Datasets website at CRiED, Univ. of Tsukuba

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.


On January 27th, 2020 : DOI: 10.34355/CRiED.U.Tsukuba.00005 is newly added.


Search the data by latitude, longitude, depth/altitude, sample type, year and radionuclide and download. Go to Search.


Browse by subject and download whole data of each DOI. Go to Download.

Outside Source Search

Links to the major search sites. Go to outside search sites.

Outside Source Data

Links to the outside data download sites. Go to outside download sites.

Contact Us

Contact us by email. Any data from radionuclide data on science is welcome. Mail us.