Articles | Volume 13, issue 11
Earth Syst. Sci. Data, 13, 5191–5212, 2021
Earth Syst. Sci. Data, 13, 5191–5212, 2021

Data description paper 05 Nov 2021

Data description paper | 05 Nov 2021

Towards a regional high-resolution bathymetry of the North West Shelf of Australia based on Sentinel-2 satellite images, 3D seismic surveys, and historical datasets

Ulysse Lebrec et al.

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Cited articles

Ainsworth, R. B., Vakarelov, B. K., Eide, C. H., Howell, J. A., and Bourget, J.: Linking the High-Resolution Architecture of Modern and Ancient Wave-Dominated Deltas: Processes, Products, and Forcing Factors, J. Sediment. Res., 89, 168–185,, 2019. 
Baker, C., Potter, A., Tran, M., and Heap, A. D.: Sedimentology and geomorphology of the northwest marine region of Australia, Geoscience Australia, Canberra 1448-2177, 220 pp., 2008. 
Beaman, R. J.: Regional-scale 100/30 m-resolution bathymetry grids for north-eastern Australia, Map the Gaps, A GEBCO Symposium on Bathymetry, General Bathymetric Chart of the Oceans (GEBCO), Busan, Republic of Korea, 15 November 2017. 
Beaman, R. J.: 100/30 m-resolution bathymetry grids for the Northern Australia, AusSeabed Workshop 4, AusSeabed Working Group, Adelaide, Australia, 3 July 2018. 
Beemer, R., Bandini-Maeder, A., Shaw, J., Lebrec, U., and Cassidy, M.: The Granular Structure of Two Marine Carbonate Sediments, ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering, Madrid, Spain, 17–22 June, OMAE2018-77087,, 2018. 
Short summary
This paper presents an integrated workflow that builds on satellite images and 3D seismic surveys, integrated with historical depth soundings, to generate regional high-resolution digital elevation models (DEMs). The workflow was applied to the North West Shelf of Australia and led to the creation of new DEMs, with a resolution of 10 × 10 m in nearshore areas and 30 × 30 m elsewhere over an area of nearly 1 000 000 km2. This constitutes a major improvement of the pre-existing 250 × 250 m DEM.