About the Authors

Hallvard Haanes

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

Hallvard.Haanes@dsa.no

Affiliations Norwegian Radiation and Nuclear Safety Authority, Østerås, Norway, Centre for Environmental Radioactivity (CERAD CoE), NMBU, Ås, Norway

Runhild Gjelsvik

Roles Conceptualization, Data curation, Investigation, Methodology, Resources, Writing – original draft, Writing – review & editing

Affiliations Norwegian Radiation and Nuclear Safety Authority, Østerås, Norway, Centre for Environmental Radioactivity (CERAD CoE), NMBU, Ås, Norway

Competing Interests

The authors have declared that no competing interests exist