Historical Shoreline Data for Point Abbaye to Thoney Point, Lake Superior

A high-resolution historical shoreline dataset for the Point Abbaye to Thoney Point area of Lake Superior, Michigan, automated for GIS use. The data are derived from shoreline maps produced by the NOAA National Ocean Service and its predecessors, based on imagery interpretation and field surveys. Attribution follows the NGS-developed C-COAST scheme, influenced by the IHO S-57 standard for translation.

Use Cases

• Coastal change analysis based on historical shoreline maps.
• GIS layer creation for coastal zone management based on high-resolution shoreline data.
• Data translation and integration into S-57 compliant systems based on the C-COAST attribution scheme.

Strengths

• Data is described as high-resolution and accurate for GIS use.
• Attribution follows a structured scheme (C-COAST) designed for translation into the IHO S-57 standard.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and file size are unknown, which may limit suitability assessment.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

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

Time Range

Historical, but specific range is not provided.

Freshness

Last updated 2026-03-13 21:48:37.865502; freshness should be verified.

Geography

Point Abbaye to Thoney Point, Lake Superior, Michigan, USA.