Hydrographic Water Column Profiles for the Northeast U.S. Continental Shelf

Conductivity/Temperature/Depth (CTD) profiles measuring temperature and salinity in the water column. Over 1000 profiles are collected annually on the northeast continental shelf from Cape Hatteras to the Gulf of Maine. The database is maintained by NOAA's Oceanography group and includes historical data from earlier programs.

Use Cases

• Model seasonal and interannual temperature variability based on the annual collection of over 1000 profiles.
• Analyze salinity gradients across the continental shelf from Cape Hatteras to the Gulf of Maine.
• Study long-term hydrographic trends by combining recent CTD data with historical program records.
• Calibrate ecosystem models using in-situ water column profile data from bottom trawl and ecosystem monitoring surveys.

Strengths

• Annual collection scale of over 1000 profiles provides consistent temporal coverage.
• Spatial coverage spans the entire northeast U.S. continental shelf from Cape Hatteras to the Gulf of Maine.
• Includes historical hydrographic data, extending the temporal scope beyond recent CTD measurements.

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 survey stations and cruises.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Collected via CTD instruments deployed on Center cruises for bottom trawl and ecosystem monitoring surveys.

Time Range

1977 to present

Freshness

Last updated 2026-03-14 22:48:22.544138; freshness should be verified.

Geography

Northeast U.S. continental shelf from Cape Hatteras to the Gulf of Maine.