| Organization | Applied Geomatics Research Group (AGRG) |
| Project | 2023 Research — NS ACRC Cumberland County Flood Risk |
| Software | Esri ArcGIS Pro 13.3.0 |
| Processing Date | March 21–25, 2025 |
| Capstone | INFT3000 — Cumberland County Flood Risk Assessment |
| DEM Type | Hydro-conditioned DEM (aboiteaux removed) |
| Resolution | 1.0 m |
| Elevation Range | −7.20 m to 364.34 m |
| Pixel Depth | 32-bit floating point |
| Compression | LZW |
| Extent (Lat) | 45.2285° N to 46.0278° N |
| Extent (Lng) | 65.0722° W to 63.1492° W |
| Horizontal CRS | NAD83(CSRS)v6 UTM Zone 20N (EPSG:22620) |
| Vertical Datum | CGVD2013 |
| Geoid Model | GRS 1980 Ellipsoid |
| Web Display CRS | WGS84 (EPSG:4326) via reprojection |
| Flood Levels | 0 m to 11 m (0.1 m increments) |
| Regions | Bay of Fundy (south) + Northumberland Strait (north) |
| Data Format | COG GeoTIFF rasters → XYZ tiles |
| Geometry Simplification | 0.00005° tolerance (~5 m) |
| Return Periods | 20-year and 100-year |
| Time Horizons | 2020, 2050, 2100, 2150 |
| Source | FloodDepth & FloodOut rasters/shapefiles (NW clipped) |
| Projection | Mercator Atlantic Canada (NAD83 CSRS v7) |
| Service URL | agrgims.cogs.nscc.ca/arcgis/rest/services/mcfm_pro/tide_stns/MapServer |
| Datum (source) | CGVD28 |
| Datum (display) | CGVD2013 (via CGVD28_13 offset ~−0.60m) |
| Forecast Range | 10 days (tide + surge + total water level) |
| Bay of Fundy | 45.2894° N, 64.7745° W |
| Northumberland Strait | 45.8505° N, 63.4087° W |
| Station | CHS ID | Offset (m) | Formula |
|---|---|---|---|
| Saint John, NB | 00065 | −4.755 | CGVD2013 = CD − 4.755 |
| Pointe-du-Chêne, NB | 01804 | −1.478 | CGVD2013 = CD − 1.478 |
| Charlottetown, PE | 01700 | −2.012 | CGVD2013 = CD − 2.012 |
| Caribou, NS | 01640 | −1.757 | CGVD2013 = CD − 1.757 |