Historical Shoreline of Marquette to Au Sable Point, Lake Superior, Michigan

A high-resolution historical shoreline dataset for the Marquette to Au Sable Point region of Lake Superior, Michigan, automated for GIS use. The data are derived from shoreline maps produced by the NOAA National Ocean Service and its predecessor agencies, based on imagery interpretation and field surveys. The attribution follows the NGS-developed C-COAST scheme, influenced by the International Hydrographic Organization's S-57 standard.

Use Cases

• Historical shoreline change analysis based on the high-resolution historical shoreline data.
• Coastal zone mapping and GIS layer creation based on the automated, attributed shoreline features.
• Integration with hydrographic data standards based on the C-COAST attribution scheme influenced by S-57.

Strengths

• Data is derived from authoritative NOAA National Ocean Service shoreline maps.
• Shoreline is described as high-resolution and accurate, suitable for GIS.
• Attribution scheme (C-COAST) was developed to conform data from various sources.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Available file formats are PDF and HTML, which may not be ideal for direct geospatial analysis.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

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

Time Range

Historical (specific range not provided).

Freshness

Last updated 2026-03-13 22:05:21.750842; freshness should be verified.

Geography

Marquette to Au Sable Point, Lake Superior, Michigan, USA.