182 datasets found

Tags: survey

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  • Tree Health Aerial Survey GB 2013

    PLEASE NOTE: This dataset has been retired as it is no longer current or relevant. Last update was on 30/09/2013. Flights are undertaken by helicopter to identify areas of...
  • Tree Health Aerial Survey GB 2012

    PLEASE NOTE: This dataset has been retired as it is no longer current or relevant. Last update was on 30/09/2012. Flights are undertaken by helicopter to identify areas of...
  • Forest condition survey (1987-2006)

    The Forest Condition Survey has been carried out since 1984 and, in addition to providing comprehensive information on tree health in Britain, it contributes to an EU programme...
  • NCEA River Surveillance Network Analysis Ready Data

    The NCEA is Defra's largest research and development (R&D) programme. It will produce a baseline of our natural assets by 2029; enabling a natural capital approach to policy...
  • Overland Flow Pathways

    The Most Probable Overland Flow Pathway dataset is a polyline GIS vector dataset that describes the likely flow routes of water along with potential accumulations of diffuse...
  • Oblique Aerial Photography

    Oblique aerial photography is an airborne mapping technique, which uses a professional grade DSLR camera to capture images out the side of our aircraft. Images are geo-...
  • National LIDAR Programme

    The Environment Agency National LIDAR Programme provides accurate elevation data at 1m spatial resolution for all of England. In 2017 we divided the country into 302 survey...
  • LIDAR Ground Truth Surveys

    The Environment Agency LIDAR Ground Truth surveys dataset is an archive of elevation points and attribute information that have been independently surveyed to verify the...
  • Control Stations (EACS) Database

    Environment Agency Control Stations (EACS) or Benchmarks (EABMs) have been created since the 1990s for use as survey control for Environment Agency projects. Control stations...
  • SurfZone Digital Elevation Model (DEM) - 2m

    The SurfZone Digital Elevation Model (DEM) was produced in 2019. Combining LIDAR and near-shore multibeam SONAR Bathymetry elevation data, it is the best currently available...
  • LIDAR Vegetation Object Model (VOM)

    The LIDAR derived Vegetation Object Model (VOM) is a raster product produced as part of the Environment Agency’s “Keeping Rivers Cool” project. It is an attempt to identify...
  • LIDAR Composite First Return Digital Surface Model (FZ_DSM) - 2m

    The LIDAR Composite First Return DSM (Digital Surface Model) is a raster elevation model covering ~99% of England at 2m spatial resolution. The first return DSM is produced from...
  • LIDAR Composite Digital Terrain Model (DTM) 2m

    The LIDAR Composite DTM (Digital Terrain Model) is a raster elevation model covering ~99% of England at 2m spatial resolution. The DTM (Digital Terrain Model) is produced from...
  • LIDAR Composite Digital Terrain Model (DTM) 10m

    The LIDAR Composite DTM (Digital Terrain Model) is a raster elevation model covering ~99% of England at 10m spatial resolution. The DTM (Digital Terrain Model) is produced from...
  • LIDAR Composite Digital Terrain Model (DTM) - 1m

    The LIDAR Composite DTM (Digital Terrain Model) is a raster elevation model covering ~99% of England at 1m spatial resolution. The DTM (Digital Terrain Model) is produced from...
  • LIDAR Composite Digital Surface Model (DSM) - 2m

    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...
  • LIDAR Composite Digital Surface Model (DSM) - 1m

    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...
  • National Forest Inventory Wales 2023

    The National Forest Inventory (NFI) woodland map covers all forest and woodland area over 0.5 hectare with a minimum of 20% canopy cover, or the potential to achieve it, and a...
  • National Forest Inventory Scotland 2023

    The National Forest Inventory (NFI) woodland map covers all forest and woodland area over 0.5 hectare with a minimum of 20% canopy cover, or the potential to achieve it, and a...
  • National Forest Inventory GB 2023

    The National Forest Inventory (NFI) woodland map covers all forest and woodland area over 0.5 hectare with a minimum of 20% canopy cover, or the potential to achieve it, and a...
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