Aerial Orthophoto Mosaic of Merrimack River and Plum Island Sound, Massachusetts (2011)

Massachusetts coastal imagery from the NOAA Integrated Ocean and Coastal Mapping initiative. The ortho-rectified mosaic was created from aerial photographs captured on June 19, 2011, using an Applanix Digital Sensor System. The original source imagery was acquired at a higher resolution than the final mosaic product.

Use Cases

• Monitor coastal erosion and shoreline changes based on ortho-rectified aerial imagery.
• Analyze land cover and habitat classification in a coastal estuary environment.
• Create base maps for coastal zone management and planning activities.
• Conduct change detection analysis by comparing this 2011 mosaic with newer imagery.

Strengths

• Imagery is ortho-rectified, which corrects for geometric distortions.
• Source data was acquired with a specialized Digital Sensor System (DSS).
• Imagery has a specific acquisition date of June 19, 2011.

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.
• The final mosaic resolution is lower than the original source imagery.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

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

Time Range

2011-06-19

Freshness

Last updated 2026-03-13 21:44:19.324964; freshness should be verified.

Geography

Merrimack River and Plum Island Sound, Massachusetts, USA