NOAA Shoreline Mapping: New Orleans to Morgan City, Louisiana

A high-resolution vector shoreline dataset compiled from imagery for the Louisiana coast from New Orleans to Morgan City. The data is based on office interpretation of imagery and uses the NOAA-developed Coastal Cartographic Object Attribute Source Table (C-COAST) attribution scheme. This resource is a member of NOAA's InPort catalog item 39808.

Use Cases

• Create coastal GIS map layers based on the vector shoreline data.
• Analyze shoreline changes based on high-resolution imagery interpretation.
• Translate shoreline data into S-57 hydrographic standards based on the C-COAST attribution scheme.
• Support coastal management and planning based on accurate shoreline delineation.

Strengths

• High-resolution shoreline data compiled from imagery.
• Vector data suitable for GIS analysis.
• Attribution scheme designed for translation into the S-57 standard.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the specific coastal region.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Office interpretation of imagery.

Freshness

Last updated 2026-03-13 22:10:00.663066; freshness should be verified.

Geography

New Orleans to Morgan City, Louisiana, USA.