British Columbia coastal anchor marks / K. Douglas and A. Podhorodeski. : M183-2/8942E-PDF

"The marks left on the seabed by the commercial anchoring process can be seen as linear features in high-resolution multibeam bathymetry data. These features have been digitized to polylines for individual marks and polygons for anchor scour zones for British Columbia’s (BC) commercial anchorages. They are made available via the Open Government Portal for use in a Geographical Information System (GIS). This feature dataset is complete for published BC commercial anchorages and the multibeam bathymetry data available up until 2021. It does not represent features produced since the collection of each multibeam bathymetry survey nor any features infilled since. The data are intended to be used for scientific research to better understand the cumulative impacts to the seabed from commercial anchoring at a scale of 1:5000 or greater"--Abstract.

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publications.gc.ca/pub?id=9.919195&sl=1

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