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Size of the geographical area - Area to mean high water measurements in hectares (441) Metric type
- Help text
- This is the total size of an electoral or administrative area to mean high water (coastline). Measurements are given in hectares (10,000 square metres).
For all inland (i.e. non-coastal) areas, the measurements respect the statutory boundaries and so the area measurements are the same as those available for the total extent measurement. Where areas are bounded by tidal water, measurements are limited to the mean high water mark. Area to mean high water include all tracts of inland water, but exclude tidal estuaries. All measurements provided are ‘flat’ as they do not take into account variations in relief e.g. mountains and valleys. This figure can be used when dealing with 'land use' context calculations.
Small Area Measurements (SAM) have been derived from Ordnance Survey's 1:10,000 scale digital Boundary-Line products. Ordnance Survey have a programme of constant improvement to Boundary-Line and so SAM measurements may be subject to change for areas whose boundaries have not physically changed.
- Modified
- 27 Apr 2021
- Data last updated
- 11 Mar 2024
- Short label
- Geographical area, to mean high water - hectares
- Status
- Live
- Output precision
- 2
- Polarity
- not applicable
- Measure
- Hectares
- Dataset
- Size of the geographical area - Area to mean high water measurements in hectares
- Collection
- UK Standard Area Measurements (SAM)
- Source
- Office for National Statistics
- is found in the following lists
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