NOAA Shoreline Data Rescue Project for Saint Marys River, Michigan

NOAA National Ocean Service provides a high-resolution historical shoreline GIS data layer for the Saint Marys River in Michigan. The data are derived from shoreline maps based on office interpretation of imagery and/or field surveys, attributed using the NGS-developed C-COAST scheme. This resource is a member of the NOAA InPort catalog item 39808.

Use Cases

• Historical shoreline change analysis based on high-resolution geospatial data.
• Coastal zone mapping and GIS layer creation based on NOAA cartographic data.
• Data translation and standardization workflows based on the C-COAST attribution scheme.
• Environmental impact assessment for the Saint Marys River region based on historical baselines.

Strengths

• Data are described as high-resolution and accurate for GIS use.
• Attribution follows a structured scheme (C-COAST) influenced by the IHO S-57 standard.
• Source is the authoritative NOAA National Ocean Service and its predecessor agencies.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• Data formats are listed as PDF and HTML, which may require conversion for direct GIS use.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Derived from shoreline maps produced by NOAA NOS based on office interpretation of imagery and/or field survey.

Time Range

Historical (specific range not provided).

Freshness

Last updated 2026-03-13 20:47:01.850779; freshness should be verified.

Geography

Saint Marys River, Michigan, North America.