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  • 2021 NI 3D Coastal Survey - Topographic LiDAR - Orthophotography Colour Infrared

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    Orthophotography is aerial imagery that has been geometrically corrected. An orthophoto is an image that is free of distortion, and which is characterised by a uniform scale over its entire...
  • 2021 NI 3D Coastal Survey - Topographic LiDAR - Orthophotography Natural Colour

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    Orthophotography is aerial imagery that has been geometrically corrected. An orthophoto is an image that is free of distortion, and which is characterised by a uniform scale over its entire...
  • 2021 NI 3D Coastal Survey - Topographic LiDAR - Digital Terrain Model

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    In 2021, a complete airborne LiDAR survey of the Northern Ireland coastline was commissioned as part of the NI 3D Coastal Survey, providing precise and accurate data of the current coastal...
  • 2008 Ortho OSNI

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    The primary objective from this project was to acquire historical shoreline information for all of the Northern Ireland coastline. Having this detailed understanding of the coast’s shoreline...
  • 2018 AP

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    The primary objective from this project was to acquire historical shoreline information for all of the Northern Ireland coastline. Having this detailed understanding of the coast’s shoreline...
  • Upper Lough Erne SAC - High Resolution Orthophotography

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    An aerial survey of several river course sites across Northern Ireland was commissioned and purchased by the NIEA (Northern Ireland Environment Agency) Land Management Team in 2018. The purpose of...
  • Agglomeration Belfast City Airport

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    Source Lden Lnight Lday Levening LAeq,16hr Belfast Agglomeration -  George Best Belfast City Airport An area of a territory that has a population exceeding 100,000 people and a population density...
  • 2021 NI 3D Coastal Survey - Pilot Bathymetric LiDAR Survey - Digital Terrain Model

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    A pilot bathymetric LiDAR survey was commissioned in 2021 which mapped the nearshore areas of Dundrum Bay and areas of Carlingford Lough./p>For the pilot bathymetric survey a Rapid Airborne...
  • Probes

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    The field probe has been deployed by NIEA’s Freshwater Monitoring and Assessment team as part of a long term, high frequency water quality monitoring project.  It records Dissolved Oxygen...
  • Specific Pollutants 1990 to 2024

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    ***Cypermethrin is currently designated as a Priority Substance under the EU Environmental Quality Standards Directive (2013/39/EU), which is a daughter directive of the Water Framework Directive...
  • Agglomeration Roads

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    SourceLden Lnight Lday Levening LAeq,16hr Belfast Agglomeration - RoadsAn area of a territory that has a population exceeding 100,000 people and a population density equal or greater to 500 people...
  • 2021 NI 3D Coastal Survey - Topographic LiDAR - Digital Terrain Model

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    In 2021, a complete airborne LiDAR survey of the Northern Ireland coastline was commissioned as part of the NI 3D Coastal Survey, providing precise and accurate data of the current coastal...
  • 2016 Ortho OSNI

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    The primary objective from this project was to acquire historical shoreline information for all of the Northern Ireland coastline. Having this detailed understanding of the coast’s shoreline...
  • 1964 OS 27 10K

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    The primary objective from this project was to acquire historical shoreline information for all of the Northern Ireland coastline. Having this detailed understanding of the coast’s shoreline...
  • River Water Quality Monitoring 1990 to 2024 - Soluble Reactive Phosphorus

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. Such...
  • River Water Quality Monitoring 1990 to 2024 - Dissolved Zinc

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. Such...
  • Major Railway Lnight

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    Source LdenLnight Lday Levening LAeq,16hr LAeq,6hr LAeq,18hr Major Railway Those which have more than 30,000 train passages per year (for mapping rounds other than Round 1)The day-evening-night...
  • River Water Quality Monitoring 1990 to 2024 - Alkalinity

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. Such...
  • Surface Drinking Water Protected Areas

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    The European Water Framework Directive was transposed to national legislation through the Water Environment (Water Framework Directive) Regulations (Northern Ireland) 2017. The Water (Amendment)...
  • Digital Terrain Model

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    A pilot bathymetric LiDAR survey was commissioned in 2021 which mapped the nearshore areas of Dundrum Bay and areas of Carlingford Lough./p>For the pilot bathymetric survey a Rapid Airborne...