1. The Norwegian approach to land cover mapping based on a common European nomenclature: Using existing data and satellite imagery Anne Nilsen Administrative CORINE coordinator The Norwegian Forest and Landscape Institute GeoSpatial World Forum, Hyderabad, January 21 2011

2. CORINE = Coordination of information on the environment Why CORINE Land Cover (CLC)? The relationship between land use and environmental impacts One seamless, homogenous land cover map of Europe Based on a standardized nomenclature with 44 classes Min. mapping unit = 25 ha www.eea.europa.eu/data-and-maps/data/corine-land-cover-2006-raster Norway

3. ARFJELL AR5 N50 Other IMAGE2000 Sat.images provided by EEA 1. CLC2000 – data sources

4. ARFJELL AR5 N50 Other IMAGE2000 1. CLC2000 – data sources AR5 CLC200 kilden.skogoglandskap.no

5. 43 % of Norway’s mainland (140 000 km²) 1. CLC2000 – data sources ARFJELL (ARmountain) ARFJELL AR5 N50 Other IMAGE2000 CLC2000

6. 1. CLC2000 – data sources ARFJELL (ARmountain) contin. ARFJELL AR5 N50 Other IMAGE2000 CLC2000

7. 1. CLC2000 – data sources N50 ARFJELL AR5 N50 Other IMAGE2000 CLC2000

8. Input datasets  raster datasets and recorded into CLC- classes Buffering + 50 m and -50 m Joining buffered classes based on a priority table if overlap 1. CLC2000 – Generalization of the CLC-classes

9. 1. CLC2000 – Result, 3 levels for different scale Level 1: Country 5 classes Level 2: County 15 classes Level 3: Municipality 31 (44) classes

10. Forest mask CLC2000 Cadastre inf. WMS IMAGE2000 IMAGE2006 CLC2006 = CLC2000 + CLC-Changes Sat.images provided by EEA 2. CLC2006 – data sources

11. Forest mask CLC2000 Cadastre inf. WMS IMAGE2000 IMAGE2006 2. CLC2006 – data sources IMAGES and Forest mask Find clear cuts and regrowth CLC2006

12. Forest mask CLC2000 Cadastre inf. WMS IMAGE2000 IMAGE2006 2. CLC2006 – data sources Cadastre information CLC2006 Find new buildings and new land use

13. Real changes and Technical changes 312  324324  324 2. CLC2006 – CLC-Changes

14. The extended use of existing national datasets Locate areas with possible changes Main focus on these areas Visual inspection in advance 2. CLC2006 – Cost-efficient method

15. 3. The quality of CLC2006 111 Continuous urban fabric Built- Photo: Geir-Harald Strand, NFLI AR5-classes

16. Foto: Per 243 Land principally occupied by agriculture, with significant areas of natural vegetation Built- Photo: Per Kristian Bjørklund, NFLI 3. The quality of CLC2006 AR5-classes

17. 333 Sparsely vegetated areas 3. The quality of CLC2006 Photo: Yngve Rekdal, NFLI AR50-classes

18. Acknowledgements Eva S. F. Heggem, project leader CLC200 Linda Aune-Lundberg, project leader CLC2006 Michael Angeloff, ARFJELL coordinator Arnt Kristian Gjertsen, forest mask developer Geir-Harald Strand, EEA steering committee member The reports (in English) for CLC2000, CLC2006 and CLC-classes examination may be downloaded from www.skogoglandskap.no/kart/corine_landcover CLC data for Europe: www.eea.europa.eu/data-and-mapswww.eea.europa.eu/data-and-maps

19. Thank you all for your interest and attention. Photo: Oskar Puschmann, NFLI