15 Mar 2021

15 Mar 2021

Review status: this preprint is currently under review for the journal ESSD.

An Integrated Marine Data Collection for the German Bight – Part I: Subaqueous Geomorphology and Surface Sedimentology

Julian Sievers1, Peter Milbradt1, Romina Ihde3, Jennifer Valerius2, Robert Hagen3, and Andreas Plüß3 Julian Sievers et al.
  • 1smile consult GmbH, Hanover, 30159, Germany
  • 2Federal Maritime and Hydrographic Agency of Germany, Hamburg, 20359, Germany
  • 3Federal Waterways Engineering and Research Institute, Hamburg, 22559, Germany

Abstract. The German Bight located within the central North Sea is a hydro- and morphodynamically highly complex system of estuaries, barrier islands and part of the world’s largest coherent tidal flats, the Wadden Sea. To identify and understand challenges faced by coastal stakeholders, such as harbor operators or governmental agencies, to maintain waterways and employ numerical models for further analyses, it is imperative to have a consistent data base for both bathymetry and surface sedimentology. Current commercial and public data products are insufficient in spatial and temporal 15 resolution and coverage for recent analyses methods. Thus, this first part of a two-part publication series of the German joint project EasyGSH-DB describes annual bathymetric digital terrain models in a 10 m gridded resolution for the German North Sea coast and German Bight from 1996 to 2016 (Sievers et al., 2020a,, as well as surface sedimentological models of discretized cumulative grain size distribution functions for 1996, 2006 and 2016 on 100 m grids (Sievers et al., 2020b, Furthermore, basic morphodynamic and sedimentological 20 processing analyses, such as the estimation of e.g. bathymetric stability or surface maps of sedimentological parameters, are provided (Sievers et al., 2020a, 2020b, see respective download links).

Julian Sievers et al.

Status: open (until 16 May 2021)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse

Julian Sievers et al.

Data sets

EasyGSG-DB: Subject area - Geomorphology Sievers, J., Rubel, M., and Milbradt, P.

EasyGSG-DB: Subject area - Sedimentology Sievers, J., Rubel, M., and Milbradt, P.

Julian Sievers et al.


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Short summary
Numerous coastal and marine actors, both from the public and private sector, require bathymetric and surface sedimentological data for a wide range of economic applications and scientific analyses. With this publication, we establish an open-access, integrated, marine data collection for the German Bight from 1996 to 2016 with bathymetric and sedimentological models that provide base data in unprocessed form as well as a range of base analyses products for easy accessibility.