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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:
- Environment Agency
- Last updated:
- 02 June 2020
PLEASE NOTE: This dataset has been superseded by the 'Freshwater fish surveys (NFPD)' dataset and is now Retired. As of March 2020 All data formerly available in 'Freshwater Fish Counts for all...
- Published by:
- OpenDataNI
- Last updated:
- 15 June 2019
__Terrain (DTM) & Surface (DSM) elevation models__ covering Belfast City, surveyed in March 2006, derived from airborne LIDAR survey systems. Data is provided in ESRI GRID ASCII format.
The...
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 10 September 2024
Survey run by the Institute of Offshore Engineering for English Nature (Peterborough). All these records relate to "Sheader, Sheader (1992) - A survey of Blue Lagoon, Poole Harbour, with special...
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 20 July 2024
Survey run by the Institute of Offshore Engineering for English Nature (Peterborough). All these records relate to "Sheader, Sheader (1992) - A survey of Blue Lagoon, Poole Harbour, with special...
- 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:
- Marine Environmental Data & Information Network
- Last updated:
- 01 December 2024
This dataset consists of hydrologically defined sections (polygons) for the
whole of Great Britain including river channels and coastal areas up to the
mean high water line for England and Wales....
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 16 February 2025
Seafloor visual images were acquired during a survey within the Greater Haig Fras Marine Conservation Zone (MCZ), central Celtic Sea, in 2012. This was the first in a series of similar surveys to...
