Description

The Coastal Environmental Baseline Program is a multi-year Fisheries and Oceans Canada initiative designed to work with Indigenous and local communities and other key parties to collect coastal environmental data at six unique sites across Canada, including the Port of Saint John (New Brunswick). The overall purpose of the Program is to collect localized ecological data in these areas to build a better baseline understanding of marine ecological conditions. The Maritimes region has developed a physical oceanography project to align with the interests and data needs of local communities and stakeholders. Starting in 2020, data describing the depth and temperature of tidal flood waters have been collected at a series of intertidal locations in the Port of Saint John vicinity, to characterize high marsh flood tides and water level fluctuations near the Courtenay Bay causeway. Inundation by marine waters in high marsh areas is typically limited to spring tides, while the water level in Courtenay Bay is influenced by anthropogenic infrastructure (e.g. causeway, tide gates). The resulting data can enhance studies ranging from coastal vulnerability and resilience to salt marsh morphodynamics, by quantifying the frequency, amplitude and duration of tidal inundation. Data were collected using Hobo U20-001-02 water level loggers, which were deployed inside stilling wells constructed from 15-inch lengths of perforated ABS pipe (2¼” diameter). The stilling wells were sunk to a depth of 6 inches below ground, with the water level logger suspended inside the well from a bolt near the top. The logger was positioned with a rigid wire such that the measurement volume was equal to ground level, while allowing the logger to be easily removed for downloading and precisely replaced at the measurement location. Loggers were accessed 2-3 times per year to download, and were removed during the winter months. Data have been compensated for changing atmospheric pressure using the Barometric Compensation Tool in HobowarePro (version 3.7.21) and barometric pressure data collected from a dry location during the study period. The resulting water level is reported in meters, and is relative to the elevation of the water level logger (e.g. above ground level). Citation: Port of Saint John intertidal water level and temperature (2020-2022). Coastal Environmental Baseline Program. Coastal Ecosystems Science Division, Fisheries and Oceans Canada, St. Andrews, N.B. XX-XX-2024

Resources

Name	Format	Description	Link
Intertidal sites locations	CSV		https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/1efae2f3-5f5a-4ef2-b448-1242d9cdf75d/attachments/CEBP_Sites_locations.csv
Water level and temperature 2020-2022	CSV		https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/1efae2f3-5f5a-4ef2-b448-1242d9cdf75d/attachments/CEBP_WaterLevel_Temperature_2020_2022.csv
Data dictionary	PDF		https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/1efae2f3-5f5a-4ef2-b448-1242d9cdf75d/attachments/Data%20Dictionary.zip
Intertidal sites locations	Unknown		https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/1efae2f3-5f5a-4ef2-b448-1242d9cdf75d/attachments/Port_SaintJohn_intertidal_waterlevel_temperature_Sites.zip
Port of Saint John intertidal water level and temperature (2020-2022)	Ersi REST		https://egisp.dfo-mpo.gc.ca/arcgis/rest/services/open_data_donnees_ouvertes/saint_john_intertidal_water_level_temp_sites/MapServer
Port of Saint John intertidal water level and temperature (2020-2022)	Ersi REST		https://egisp.dfo-mpo.gc.ca/arcgis/rest/services/open_data_donnees_ouvertes/saint_john_intertidal_water_level_temp_sites/MapServer

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