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OSNI Open Data: River Basin LIDAR 2009 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 23 December 2025

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of...

OSNI Open Data: River Basin LIDAR 2013 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 08 July 2026

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly...

OSNI Open Data: River Basin LIDAR 2010 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 08 July 2026

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly...

OSNI Open Data: River Basin LIDAR 2007 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 08 July 2026

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly...

OSNI Open Data: River Basin LIDAR 2010 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 08 July 2026

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of...

OSNI Open Data: River Basin LIDAR 2004 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 08 July 2026

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly...

OSNI Open Data: River Basin LIDAR 2014 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 08 July 2026

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly...

OSNI Open Data: River Basin LIDAR 2009 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 08 July 2026

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly...

OSNI Open Data: River Basin LIDAR 2008 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 08 July 2026

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly...

OSNI Open Data: River Basin LIDAR 2012 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 08 July 2026

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of regularly...

OSNI Open Data - 10M DTM - Sheets 251-293

• Published by: OpenDataNI
• Last updated: 08 July 2026

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...

OSNI Open Data - 10M DTM - Sheets 51-100

• Published by: OpenDataNI
• Last updated: 08 July 2026

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...

OSNI Open Data - 10M DTM - Sheets 101-150

• Published by: OpenDataNI
• Last updated: 08 July 2026

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...

OSNI Open Data - 10M DTM - Sheets 151-200

• Published by: OpenDataNI
• Last updated: 08 July 2026

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...

OSNI Open Data - 10M DTM - Sheets 101-150

• Published by: OpenDataNI
• Last updated: 08 July 2026

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...

OSNI Open Data - 10M DTM - Sheets 201-250

• Published by: OpenDataNI
• Last updated: 08 July 2026

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...

OSNI Open Data - 10M DTM - Sheets 101-150

• Published by: OpenDataNI
• Last updated: 08 July 2026

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...

OSNI Open Data - 10M DTM - Sheets 51-100

• Published by: OpenDataNI
• Last updated: 08 July 2026

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...

OSNI Open Data - 10M DTM - Sheets 51-100

• Published by: OpenDataNI
• Last updated: 08 July 2026

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...

OSNI Open Data - 10M DTM - Sheets 1-50

• Published by: OpenDataNI
• Last updated: 08 July 2026

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...