HELCOM Baltic Sea Environmental Assessment Maps and Spatial Data

A 2021 web mapping service from HELCOM containing thematic assessment result maps, core indicator key message maps, and underlying spatial datasets for the Baltic Sea. The service is built with ArcGIS Server 10.9 and is accessible via ArcGIS REST or OGC WMS interfaces. It is used by the HELCOM Map and Data service.

Use Cases

• Visualizing marine environmental health based on HELCOM thematic assessment result maps.
• Analyzing spatial patterns of core indicators based on key message maps.
• Integrating underlying spatial datasets into regional environmental models.
• Serving map layers for web applications via the ArcGIS REST or WMS interfaces mentioned.

Strengths

• Data is provided by HELCOM, the authoritative intergovernmental organization for the Baltic Sea.
• Offers multiple access methods (ArcGIS REST and OGC WMS) as described.
• License is CC0-1.0, allowing for broad reuse.

Limitations

• Last updated 2021-07-26 00:00:00; freshness should be verified.
• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.

Provenance

Source

HELCOM

Collection Method

Created with ArcGIS Server 10.9 for web mapping service delivery.

Time Range

Assessment period not specified; service updated in 2021.

Freshness

2021-07-26

Geography

Baltic Sea region.