A high-resolution vector shoreline dataset for the Intracoastal Waterway between Morgan City and Port Allen, Louisiana. The data was compiled from imagery by the National Oceanic and Atmospheric Administration and is structured using the NGS Coastal Cartographic Object Attribute Source Table (C-COAST) attribution scheme. This resource is part of a larger NOAA shoreline mapping program.
Use Cases
- Coastal change analysis based on high-resolution shoreline vectors.
- GIS layer integration for regional planning based on the described shapefile format.
- Hydrographic data translation based on the C-COAST attribution scheme influenced by S-57 standards.
Strengths
- Data is described as 'accurate high-resolution shoreline' compiled from imagery.
- Attribution follows a defined scheme (C-COAST) for consistency.
- Data is part of a larger, documented NOAA program (Inport item 39808).
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- File formats are listed as PDF and HTML, which may not be the primary geospatial data formats.
Provenance
- Source
- National Oceanic and Atmospheric Administration, Department of Commerce
- Collection Method
- Office interpretation of imagery.
- Time Range
- null
- Freshness
- Last updated 2026-03-13 20:51:01.553702; freshness should be verified.
- Geography
- Intracoastal Waterway, Morgan City to Port Allen, Louisiana, USA