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- Published by:
- OpenDataNI
- Last updated:
- 27 June 2022
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 27 June 2022
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 27 June 2022
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 27 June 2022
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 27 July 2024
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 27 July 2024
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 27 July 2024
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 27 July 2024
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 27 July 2024
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 27 July 2024
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 21 September 2024
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 21 September 2024
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 21 September 2024
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 21 September 2024
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 28 September 2024
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- OpenDataNI
- Last updated:
- 02 June 2025
A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can...
- Published by:
- Environment Agency
- Last updated:
- 01 August 2025
The LIDAR Composite DSM (Digital Surface Model) is a raster elevation model covering ~99% of England at 1m spatial resolution. The DSM (Digital Surface Model) is produced from the last or only...
- Published by:
- Environment Agency
- Last updated:
- 01 August 2025
The LIDAR Composite DSM (Digital Surface Model) is a raster elevation model covering ~99% of England at 2m spatial resolution. The DSM (Digital Surface Model) is produced from the last or only...
- Published by:
- Environment Agency
- Last updated:
- 12 September 2025
The 'WFD Management Catchments Cycle 1' dataset is a polygon Shapefile defined for the implementation of the Water Framework Directive. Management catchments are the unit of geography for which...
- Published by:
- Environment Agency
- Last updated:
- 07 April 2026
This is a polygon dataset showing Surface Water Management Catchments, which was created to meet the requirements of the Water Framework Directive (WFD). Management Catchments are larger than...