Preprints
https://doi.org/10.5194/essd-2021-47
https://doi.org/10.5194/essd-2021-47

  15 Mar 2021

15 Mar 2021

Review status: a revised version of this preprint was accepted for the journal ESSD and is expected to appear here in due course.

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, https://doi.org/10.48437/02.2020.K2.7000.0001), 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, https://doi.org/10.48437/02.2020.K2.7000.0005). 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: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on essd-2021-47', Anonymous Referee #1, 26 Apr 2021
    • AC1: 'Reply on RC1', Julian Sievers, 06 Jul 2021
  • RC2: 'Comment on essd-2021-47', Anonymous Referee #2, 17 Jun 2021
    • AC2: 'Reply on RC2', Julian Sievers, 06 Jul 2021

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on essd-2021-47', Anonymous Referee #1, 26 Apr 2021
    • AC1: 'Reply on RC1', Julian Sievers, 06 Jul 2021
  • RC2: 'Comment on essd-2021-47', Anonymous Referee #2, 17 Jun 2021
    • AC2: 'Reply on RC2', Julian Sievers, 06 Jul 2021

Julian Sievers et al.

Data sets

EasyGSG-DB: Subject area - Geomorphology Sievers, J., Rubel, M., and Milbradt, P. https://doi.org/10.48437/02.2020.K2.7000.0001

EasyGSG-DB: Subject area - Sedimentology Sievers, J., Rubel, M., and Milbradt, P. https://doi.org/10.48437/02.2020.K2.7000.0005

Julian Sievers et al.

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Latest update: 29 Jul 2021
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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.