Northern Ireland Land Classification for 14,377 1km Grid Squares

A land classification hierarchy for Northern Ireland developed using the Merlewood method and TWINSPAN multivariate analysis. The classification is based on a sample of 700 1km grid squares, with attributes on climate, elevation, topography, vegetation, hydrology, settlement, geology, and soils. In total, 14,377 1km grid squares were assigned to one of 23 land classes.

Use Cases

• Modeling ecological zones based on climate, elevation, and soil attributes.
• Analyzing land suitability for agriculture or conservation based on multivariate land classes.
• Creating regional environmental baselines using the 23-class land classification hierarchy.

Strengths

• Classification covers 14,377 1km grid squares across Northern Ireland.
• Based on a systematic sample of 700 grid squares representing 5% of the land area.
• Derived from 23 distinct land classes using the documented Merlewood and TWINSPAN methods.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the Northern Ireland study area.

Provenance

Source

OpenDataNI

Collection Method

Developed using the Merlewood method of multivariate land classification and TWINSPAN analysis on map-derived attributes.

Freshness

Last updated 2026-03-18 11:23:22.992671; freshness should be verified.

Geography

Northern Ireland