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Pittauerova, Daniela; Kirchner, Gerald; Garbe-Schönberg, Dieter; Herut, Barak; Nishri, Ami; Fischer, Helmut W (2014): Activity concentrations of radionuclides in 5 short cores taken in 2007-2008 measured by ICP-MS and HPGe gamma spectrometry [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.842648, Supplement to: Pittauerova, D et al. (2014): Radionuclides and recent sedimentation and mixing rates in Northern Gulf of Eilat/Aqaba, Red Sea. Journal of Marine Systems, 139, 1-8, https://doi.org/10.1016/j.jmarsys.2014.04.017

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Abstract:
Natural radionuclides and man-made 137Cs were analyzed in five short sediment cores taken in northern part of the Gulf of Eilat (Gulf of Aqaba) in order to provide information on sedimentation and mixing rates and sediment sources. The maximum estimates of sedimentation rates based on excess 210Pb were found to vary between 0.105 ± 0.020 and 0.35 ± 0.23 cm · year**-1. Even the lowest estimates are significantly higher than those expected from dust deposition, suggesting other sources and processes being responsible for most of the allochthonous material accumulation, including periodical floods following heavy rain events, internal erosion or triggers, like earthquakes. In 137Cs depth profiles no 1963 related nuclear weapon test maxima were found; instead, the activities decrease monotonically, suggesting that a major process leading to radionuclides' depth distribution might be mixing. The mixing rates calculated from 137Cs, excess 210Pb and excess 228Th reach values up to 2.18 ± 0.69 cm**2 · year**-1.
Coverage:
Median Latitude: 29.470320 * Median Longitude: 34.930450 * South-bound Latitude: 29.377617 * West-bound Longitude: 34.889617 * North-bound Latitude: 29.515833 * East-bound Longitude: 34.957783
Date/Time Start: 2007-05-08T00:00:00 * Date/Time End: 2008-03-26T00:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
5 datasets

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Datasets listed in this publication series

  1. Pittauerova, D; Kirchner, G; Garbe-Schönberg, D et al. (2014): Radionuclides activity concentrations of sediment core A2. https://doi.org/10.1594/PANGAEA.842642
  2. Pittauerova, D; Kirchner, G; Garbe-Schönberg, D et al. (2014): Radionuclides activity concentrations of sediment core B. https://doi.org/10.1594/PANGAEA.842643
  3. Pittauerova, D; Kirchner, G; Garbe-Schönberg, D et al. (2015): Radionuclides activity concentrations of sediment core F. https://doi.org/10.1594/PANGAEA.842644
  4. Pittauerova, D; Kirchner, G; Garbe-Schönberg, D et al. (2015): Radionuclides activity concentrations of sediment core HHN2C. https://doi.org/10.1594/PANGAEA.842645
  5. Pittauerova, D; Kirchner, G; Garbe-Schönberg, D et al. (2015): Radionuclides activity concentrations of sediment core HHN3. https://doi.org/10.1594/PANGAEA.842646