MBES bathymetry, pockmark base horizons and extracted pockmark polygons

General information

Supplementary data for scientific article investigating paleo-pockmarks using pseudo-3D sub-bottom profiler (SBP) data on the Chatham Rise, New Zealand.

to be added

Content

Horizons

PB-*_depth.tif: Individual pockmark base horizon grids from pseudo-3D SBP data (depth-converted)

SBP_seafloor_depth.tif: Seafloor horizon grid from pseudo-3D SBP data (depth-converted)

MBES_pseudo-3D_bathymety_5x5m.tif: Multibeam echosounder (MBES) bathymetry grid

GIS

pockmark_polygons.gpkg: Delineated and characterized pockmark polygons

pockmark_polygons_local-minima.gpkg: Extracted local minima within pockmark polygons

References

The QGIS processing scripts used for the pockmark analysis and extraction for local minima are available on GitHub and archived on Zenodo.