Historical Shoreline of Coasters Harbor Island and Narragansett Bay, RI

NOAA National Ocean Service provides a high-resolution historical shoreline for Coasters Harbor Island and Narragansett Bay, Rhode Island, derived from office interpretation of imagery and field surveys. The data is structured using the NGS-developed C-COAST attribution scheme to facilitate translation into international hydrographic standards. This resource is part of a larger NOAA data collection identified by InPort ID 39808.

Use Cases

• Analyze historical shoreline change based on high-resolution geospatial data.
• Create GIS base layers for coastal management and planning based on NOAA-derived maps.
• Translate shoreline data into S-57 hydrographic standard formats based on the C-COAST attribution scheme.

Strengths

• Data is derived from NOAA National Ocean Service and its predecessor agencies, indicating authoritative sourcing.
• Shoreline is described as high-resolution and accurate, suitable for GIS applications.
• Attribution uses the structured C-COAST scheme, influenced by international hydrographic standards.

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 may reflect geographic and temporal bias inherent to the specific historical survey methods.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

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

Time Range

Historical, specific date not provided.

Freshness

Last updated 2026-03-13 22:13:54.805085; freshness should be verified.

Geography

Coasters Harbor Island and Vicinity, Narragansett Bay, Rhode Island, USA.