Marine Radioactivity Information System
The IAEA Marine Radioactivity Information System (MARIS) allows free access to users to search and download the results of measurements of radioactivity in seawater, biota, sediment and suspended matter. MARIS is maintained and developed by the IAEA Environment Laboratories in Monaco.

News section

Latest updates on marine radioactivity from the IAEA Marine Environment Laboratories
Database update

Get Involved

Would you like to learn more about MARIS? Do you have data that you would like to share with other MARIS users? Get in touch to learn how you can contribute to global marine radioactivity science and research.
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Please get in touch using the Get Involved contact form, by email NAML-MARIS.Contact-Point@iaea.org or by phone +377 97 97 72 72