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

• Published by: OpenDataNI
• Last updated: 25 April 2016

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: 25 April 2016

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: 25 April 2016

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: 25 April 2016

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: 25 April 2016

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: 25 April 2016

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: 25 April 2016

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 2004 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 25 April 2016

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: 16 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 regularly...

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

• Published by: OpenDataNI
• Last updated: 16 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 2004 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 16 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 2007 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 16 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: 16 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 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 2010 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 25 March 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...

Stonyhurst Magnetic Observatory magnetograms

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

Magnetograms are records of variations in the strength and direction of the Earth’s magnetic field. Historically these magnetograms were recorded on paper using photographic techniques. In the UK,...

Lerwick Magnetic Observatory magnetograms

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

Magnetograms are records of variations in the strength and direction of the Earth’s magnetic field. Historically these magnetograms were recorded on paper using photographic techniques. In the UK,...

Eskdalemuir Magnetic Observatory Magnetograms

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

Magnetograms are records of variations in the strength and direction of the Earth’s magnetic field. Historically these magnetograms were recorded on paper using photographic techniques. In the UK,...

Cape Evans Magnetic Observatory Magnetograms

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

Magnetograms are records of variations in the strength and direction of the Earth’s magnetic field. Historically these magnetograms were recorded on paper using photographic techniques. In the UK,...

Greenwich Magnetic Observatory Magnetograms

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

Magnetograms are records of variations in the strength and direction of the Earth’s magnetic field. Historically these magnetograms were recorded on paper using photographic techniques. In the UK,...