Version 4 of IBCAO is available for download in the form of a bathymetric grid for the Arctic region.

IBCAOv4 (200m x 200m) without elevation data for the Greenland Ice Sheet.

Jakobsson, M., Mayer, L. A., Bringensparr, C., Castro, C. F., Mohammad, R., Johnson, P., et al. (2020). The International Bathymetric Chart of the Arctic Ocean Version 4.0. Scientific Data, 7(1), 1–14. https://doi.org/10.1038/s41597-020-0520-9