Standard Area Measurements for National Parks in Great Britain

Standard Area Measurements (SAM) provide official, flat area calculations for National Parks in Great Britain. The dataset includes four distinct area types: total extent, coastline area, inland water area, and land area, all measured in hectares to two decimal places. These measurements follow Eurostat recommendations and are used for calculating population density.

Use Cases

• Calculating population density for National Parks based on the Eurostat-recommended land area measurement (AREALHECT).
• Analyzing the proportion of inland water (AREAIHECT) versus total land area within protected park boundaries.
• Comparing the total geographic extent (AREAEHECT) of National Parks across different snapshots in time (e.g., 2016, 2018, 2019).
• Assessing coastal boundary lengths and areas for parks that include coastline (AREACHECT).

Strengths

• Provides four standardized, comparable area measurements per park, enabling consistent analysis.
• Measurements are precise to two decimal places in hectares.
• Dataset is published by the Government Digital Service, indicating an official source.
• Available for multiple reference dates (2016, 2018, 2019), allowing for temporal comparison.

Limitations

• Measurements are 'flat' and do not account for terrain relief, which may underreport true surface area.
• Specific column names and row counts are not provided in the metadata, limiting understanding of the data structure.
• The 'last updated' metadata fields appear to be platform maintenance dates (e.g., 2026-06-03) and do not reflect the actual data vintage.

Provenance

Source

Government Digital Service

Collection Method

Official geospatial calculation and compilation.

Time Range

Snapshots for 1 August 2016, 31 December 2018, and 31 December 2019.

Freshness

The most recent data snapshot described is for 31 December 2019.

Geography

National Parks in Great Britain (England, Scotland, Wales).