Lenz, Nina; Lindhorst, Sebastian (2021): Radionuclide measurements (210Pb, 137Cs, 226Ra) obtained from sediment core BT03 (Eiderstedt peninsula; south-eastern North Sea) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.933860, In: Lenz, N; Lindhorst, S (2021): Grainsize analysis and radionuclide measurements (210Pb, 137Cs, 226Ra) obtained from sediment cores RD04 (island of Sylt), BT02 and BT03 (Eiderstedt peninsula; south-eastern North Sea) [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.933869