Northern Alaska Land Cover and Ecosystem Map Collection

ORNL_CLOUD provides a collection of four land cover and ecosystem classification maps for northern Alaska. The maps were produced from multiple data sources, including Landsat imagery and existing models, covering a range of ecosystem and vegetation classes. The underlying data spans from August 4, 1976, to September 1, 2014.

Use Cases

• Analyzing vegetation class distribution across northern Alaska using the classification maps.
• Monitoring long-term land cover change from 1976 to 2014.
• Comparing ecosystem classifications derived from different projects and data sources.
• Integrating Landsat-based land cover data with existing regional models.

Strengths

• Contains four distinct classification maps derived from multiple projects and sources.
• Covers a 38-year temporal range from 1976 to 2014.
• Available on multiple platforms, indicating established use and importance.

Limitations

• Column names and specific row/size counts are not provided by any source.
• Sources conflict on the last updated date: one states March 13, 2026, another states September 1, 2014.

Provenance

Source

ORNL_CLOUD

Collection Method

Produced from Landsat imagery and existing maps and models.

Time Range

1976-08-04 to 2014-09-01

Freshness

2026-03-13 01:07:05.370531

Geography

Northern Alaska