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Geomorphological Data from Detonation Craters in the Fehmarn Belt, German Baltic Sea

Author

Listed:
  • Svenja Papenmeier

    (Leibniz-Institute for Baltic Sea Research Warnemünde, 18119 Rostock, Germany)

  • Alexander Darr

    (Leibniz-Institute for Baltic Sea Research Warnemünde, 18119 Rostock, Germany)

  • Peter Feldens

    (Leibniz-Institute for Baltic Sea Research Warnemünde, 18119 Rostock, Germany)

Abstract

Military munitions from World War I and II dumped at the seafloor are a threat to the marine environment and its users. Decades of saltwater exposure make the explosives fragile and difficult to dispose of. If required, the munition is blast-in-place. In August 2019, 42 ground mines were detonated in a controlled manner underwater during a NATO maneuver in the German Natura2000 Special Area of Conservation Fehmarn Belt, the Baltic Sea. In June 2020, four detonation craters were investigated with a multibeam echosounder for the first time. This dataset is represented here as maps of bathymetry, slope angle, and height difference to the surrounding. The circular craters were still clearly visible a year after the detonation. The diameter and depth of the structures were between 7.5–12.6 m and 0.7–2.2 m, respectively. In total, about 321 m 2 of the seafloor was destroyed along the track line.

Suggested Citation

  • Svenja Papenmeier & Alexander Darr & Peter Feldens, 2022. "Geomorphological Data from Detonation Craters in the Fehmarn Belt, German Baltic Sea," Data, MDPI, vol. 7(5), pages 1-10, May.
    • Handle: RePEc:gam:jdataj:v:7:y:2022:i:5:p:63-:d:813267
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