Geomorphological Survey of the Salt Marsh and the Sandspit of Portneuf-sur-Mer (2018)

Subsurface Currents Surface Currents Other

As part of a characterization carried out by the Comité ZIP de la Rive nord de l'estuaire and in collaboration with Maxime Boivin (geomorphologist), Gabriel Joyal (geomorphologist) and Antoine Morissette (geomorphologist), a geomorphological survey was carried out on the marsh and sandspit of Portneuf-sur-Mer. This database includes the methodology and results of the survey as of October 27, 2018.

You can access the biophysical characterization of the Portneuf-sur-Mer marsh by consulting the dataset: The Portneuf-sur-Mer salt marsh - Characterization of important coastal habitats on the north shore of the St. Lawrence Estuary

Data and resources

Coastal Dynamics Map

Map of coastal dynamics in the Portneuf-sur-Mer area

PNG Open
Layers Metadata

Description of the different layers present in the dataset

PDF Open
geomorphologie.zip

7 shapefiles containing various geomorphological informations

ZIP Open
orthophoto_7cm_2018.tif

Orthophotography with 7cm resolution of the Portneuf-sur-Mer area

ZIP Open
orthophoto_3cm_2018.tif

Orthophotography with a resolution of 3cm of the Portneuf-sur-Mer area

ZIP Open
elevation_class.tif

Elevation-based classes of MFFP LiDAR data

ZIP Open
dem_2018.tif

Digital Elevation Model (DEM)

ZIP Open

Additional information

Temporal extent	2018-10-27 – 2018-10-28
Vertical extent	0.0 – 0.0 m
Date (creation)	2018-10-27
Date (publication)	2020-03-25
Date (revision)	2020-03-25
Status	completed
Update frequency	asNeeded
Metadata language	fr
License	Creative Commons Attribution 4.0
Source metadata	ISO 19115 XML
Last updated	2026-07-31
Created	2026-07-31
API	package_show