10.1594/PANGAEA.933860Lenz, NinaNinaLenz0000-0001-9617-212XLindhorst, SebastianSebastianLindhorst0000-0001-9615-4167Radionuclide measurements (210Pb, 137Cs, 226Ra) obtained from sediment core BT03 (Eiderstedt peninsula; south-eastern North Sea)PANGAEA2021North SeaRadionuclidesSalt marshesStorm surgesSample IDDEPTH, sediment/rockDensity, dry bulkCaesium-137Caesium-137, errorLead-210Lead-210, errorLead-210, unsupportedRadium-226Radium-226, errorAge, relative, number of yearsSediment corerGamma spectrometryAlpha spectrometryCRS model (Constant Rate of Supply)Priority Programme 1889 Regional Sea Level Change and Society (SPP1889)Dataset10.1594/PANGAEA.93386910.1002/dep2.213122 data pointstext/tab-separated-valuesCreative Commons Attribution 4.0 InternationalSediment cores BT03 origins from a reinstated, former managed marsh (Eiderstedt peninsula). Data include radionuclide activity of 137Cs, 210Pb and 226Ra. Measurements of the radionuclides were used to determine sediment accretion rates.8.67813954.364652Eiderstedt peninsula, North SeaGerman Research Foundationhttps://doi.org/10.13039/501100001659273739224Priority Programme 1889 Regional Sea Level Change and SocietyGerman Research Foundationhttps://doi.org/10.13039/501100001659313854035Unraveling the signals of sea level and storminess of the past millennium (southern North Sea; SEASTORM)