Lake Michigan Political and Jurisdictional Features for Oil Spill Sensitivity Mapping

POLITICAL_POINT, POLITICAL_POLY, and POLITICAL_LINE data sets contain human-use and management resource data for Lake Michigan, including Coast Guard units, tribal land boundaries, and state borders. These sets form part of the Environmental Sensitivity Index (ESI) data for Lake Michigan, characterizing coastal environments by their sensitivity to oil spills. The data was published by the National Oceanic and Atmospheric Administration and last updated on March 13, 2026.

Use Cases

• Mapping Coast Guard unit locations for emergency response planning based on the POLITICAL_POINT data.
• Delineating tribal land boundaries for environmental impact assessments based on the POLITICAL_POLY data.
• Analyzing state borders and jurisdictional lines for regulatory compliance based on the POLITICAL_LINE data.
• Integrating political features into broader oil spill sensitivity models based on the ESI framework mentioned in the description.

Strengths

• Data is part of a standardized Environmental Sensitivity Index (ESI) framework for oil spill planning.
• Spatial data is designed to be used with relational attribute tables for detailed information.
• Published by the authoritative National Oceanic and Atmospheric Administration.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the Lake Michigan focus.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Likely compiled for environmental sensitivity mapping and coastal management.

Time Range

null

Freshness

Last updated 2026-03-13 22:19:47.002298; freshness should be verified.

Geography

Lake Michigan, Great Lakes region