Blar i Brage på forfatter "Andreassen, L. M."

Viser treff 1-9 av 9

    • Bresjøer 2014/Glacier Outline (GLO) 

      Andreassen, L. M.; Klingenberg, T. F. (Dataset, 2016)
      Glacier Lake Outline (GLO) for Norway from the period 2014. Glacier-dammed lakes (also called ice-dammed lakes) can cause hazardous outburst floods. Such floods are, also called jøkulhlaups or glacier lake outburst flood ...

    • Glacier Area Outline (GAO) 1895-1907 

      Winsvold, S. H.; Andreassen, L. M. (Dataset, 2012)
      Glacier Area Outline (GAO) for western Finnmark from the period 1895-1907. Outlines were digitised from "Gradteigskart" constructed from land surveys between 1895-1907, paper maps printed at a scale of 1:100 000. Work ...

    • Glacier Area Outline (GAO) 1947-1985 

      Winsvold, S. H.; Andreassen, L. M. (Dataset, 2014)
      Glacier Area Outline (GAO) for mainland Norway from the period 1947-1985. Outlines were digitised from the N50 topographic main map series of Norway (denoted M711 or N50). The topographic maps are constructed from air ...

    • Glacier Area Outline (GAO) 1988-1997 

      Winsvold, S. H.; Andreassen, L. M. (Dataset, 2012)
      Glacier Area Outline (GAO) for mainland Norway from the period 1988-1997, using Landsat TM/ETM+ satellite images. A semi-automatic band ratio method was applied. All automatically mapped snow and ice polygons were visually ...

    • Glacier Area Outline (GAO) 1999-2006 

      Andreassen, L. M.; Winsvold, S. H.; Paul, F.; Hausberg, J. E. (Dataset, 2012)
      Glacier Area Outline (GAO) for mainland Norway from the period 1999-2006, using Landsat TM/ETM+ satellite images. A semi-automatic band ratio method was applied. Totally 12 satellite Landsat scenes from the period 1999-2006 ...

    • Glacier Area Outline 2018-2019 

      Andreassen, L. M.; Nagy, T.; Kjøllmoen, B.; Leigh, J. R. (Dataset, 2022)
      Sentinel-2 imagery were used to map the extent of Norway’s glaciers over 2018–19. A standardized semi-automated band ratio method was used to derive glacier outlines. To optimise the results, manual edits of ice-lake ...

    • Glacier Lake Outline (GLO) 1988-1997 

      Winsvold, S. H.; Andreassen, L. M. (Dataset, 2012)
      For further description: see Andreassen L. M. and Winsvold S. H. (2013) Algorithm Theoretical Basis Document (ATBD) for the GAO and GLO products. CryoClim sub-service for glaciers in mainland Norway. ESA/NSC PRODEX/Norway, ...

    • Glacier Lake Outline (GLO) 1999-2006 

      Winsvold, S. H.; Andreassen, L. M. (Dataset, 2012)
      For further description: see Andreassen LM and Winsvold SH (2013) Algorithm Theoretical Basis Document (ATBD) for the GAO and GLO products. CryoClim sub-service for glaciers in mainland Norway. ESA/NSC PRODEX/Norway, ...

    • Glacier outlines Langfjordjøkelen 

      Weber, P.; Lovell, H.; Andreassen, L. M.; Boston, C. M. (Dataset, 2020)