Nehrke, Gernot (2026): Master tracks in different resolutions of HEINCKE cruise HE680, Bremerhaven - Bremerhaven, 2026-03-31 - 2026-04-02 [dataset]. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.993658 (DOI registration in progress)