Historical Shoreline Data for Delaware Bay, New Jersey

A high-resolution historical shoreline dataset for Delaware Bay, New Jersey, automated for use as a GIS data layer. 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

• Modeling coastal erosion or accretion rates based on historical shoreline positions.
• Creating baseline maps for coastal zone management and planning.
• Validating or training remote sensing shoreline detection algorithms based on interpreted imagery.
• Studying long-term geomorphological changes in estuarine systems like Delaware Bay.

Strengths

• Data are described as high-resolution and accurate, suitable for GIS analysis.
• Shoreline maps were produced by the authoritative NOAA National Ocean Service.
• Attribution follows a structured scheme (C-COAST) designed for translation into the S-57 hydrographic 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.
• Data freshness should be verified despite a future 'last updated' date of 2026-03-13.

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, but specific range is not provided.

Freshness

Last updated 2026-03 13 22:15:26.108680

Geography

Delaware Bay, New Jersey, USA