NOAA Orthophoto Mosaic of the Merrimack River and Plum Island Sound, Massachusetts

2011 NOAA Ortho-rectified Mosaic of Merrimack River and Plum Island Sound, Massachusetts (Mean Lower Low Water) is a set of ortho-rectified mosaic tiles produced by the NOAA Integrated Ocean and Coastal Mapping initiative. The source aerial imagery was acquired on June 19, 2011, using an Applanix Digital Sensor System. The final ortho-rectified mosaic is derived from higher-resolution original images.

Use Cases

• Coastal change detection and shoreline mapping based on ortho-rectified imagery.
• Habitat classification and land cover analysis based on infrared wavelengths.
• Creating base maps for coastal planning and management based on digital orthophotography.
• Calibrating or validating other remote sensing data based on the rectified image geometry.

Strengths

• Imagery was ortho-rectified, which corrects for geometric distortions.
• Source data was acquired with a specific sensor (Applanix DSS) on a known date (20110619).
• Original images were acquired at a higher resolution than the final mosaic.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect temporal bias inherent to a single-day acquisition in 2011.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Aerial imagery acquired with an Applanix Digital Sensor System (DSS) and processed into ortho-rectified mosaics.

Time Range

2011-06-19

Freshness

Last updated 2026-03-13 21:10:08.692881; freshness should be verified.

Geography

Merrimack River and Plum Island Sound, Massachusetts, USA