References (English, French, PDF)

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2026-05-05

This bathymetric dataset of the five inland water bodies of the Magdalen Islands was produced by the Quebec Regional Science Directorate (DRS) of Fisheries and Oceans Canada (DFO) as part of the characterization of the Magdalen Islands lagoon marine refuge. The data comes from several sources, including a bathymetric LiDAR survey, satellite-derived bathymetry (SDB), acoustic surveys, and spot depth sampling conducted in inland water bodies. The final product is a 5 m resolution raster projected in NAD83 / MTM zone 4. Depths are expressed in meters and reduced to chart datum (CD). This dataset is provided for information, analysis, and research purposes and is not intended for navigation. This dataset is a derived scientific product generated through processing, interpolation, and integration conducted by a DRS research team, and it does not constitute a hydrographic product of the Canadian Hydrographic Service (CHS). The data may contain uncertainties, acquisition artifacts, or processing errors, and do not meet the hydrographic standards of the International Hydrographic Organization (IHO). This dataset is provided exclusively for informational, analytical, management, and…

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