GIS-Datasets

In the Tarkka, you can select several essential vector datasets to display alongside satellite observations. These can be chosen from the accordion menu under the Additional GIS data and Basemaps:

Vector datasets (line vector data)

Additional GIS-data: Activate from the accordion menu, and they appear on top of satellite/background map datasets.

  • Vesla reference stations are used to generate time serieses of satellite observations and in-situ measurements
  • Water Framework Directive (VPD/WFD) water formations from coastal and lake areas
  • Drainage basins (Finland)
  • Nature reserves
  • Sentinel-2 tiling grid
  • HELCOM off-shore subbasins (2022)

Basemaps:

  • OpenStreetMap
  • Gray basemap (ESRI)
  • NLS’s base- and terrain maps
  • Corine land cover 2018