GLC2000 Baltic Sea Basin Metria

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GLC2000 - Baltic Sea BasinMetria

• Indata SPOT VGT 10-day composites from
  01-04-2000 to 21-10-2000 and several SPOT VGT S-1
  composite data for June and September.
• Channels 2 visible (blue/red), NIR, MIR, NDVI,
  Status Map, Viewing Zenith Angle.
• Ancillary Data CORINE LC, BALANS LC/LU,
  Sverigeklassning data, 1250 000 Rasterdata for
  Norway, DCW vector data, 200m EuropeDEM.

GLC 2000 FIRST RESULTS WORKSHOP JRC Ispra,
18-22 March 2002
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• Area of Study

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Pre-processing of Indata

• Remove bad MIR data
• Remove water ring around coast
• Remove pixels with a VZA gt 50º
• Remove clouds
• Remove snow
• Remove urban areas (based on ancillary data)

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Bad MIR Data
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Water Pixel/ Cloud Problem
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Speckled Composite Data
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Processing

• Unsupervised classification (40 classes)
• Majority clustering
• Masking of clusters which correspond exactly to
  reference data
• Second unsupervised classification (40 classes)
• Automatic and manual comparison od clusters with
  reference data
• Labelling of clusters

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Results

• 22 Classes in final legend
• 11 pure and 11 mixed classes
• Countries include Denmark, Estonia, Finland,
  Germany, Latvia, Lithuania, Norway, Poland,
  Sweden.
• Additional coverage Austria, Belarus, Belgium,
  Czech, France, Hungary, Luxembourg, Moldova,
  Netherlands, Rumania, Russia, Slovakia,
  Switzerland,

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Legend

• 1 Artificial Surfaces
• 2 Agricultural Crops
• 3 Closed Woody
• 4 Closed Needleleaved
• 5 Closed Broadleaved
• 6 Herbaceous
• 7 Mixed Op/Cl Woody
• 8 Waterlogged Herbaceous
• 9 Bare Rock
• 10 Loose Shifting Sands
• 11 Ice (Snow)

• 12 Water
• 13 Mixed 1 Unconsolidated
• 14 Mixed 4 5
• 15 Mixed 6 Shrubs
• 16 Mixed 6 Unconsolidated
• 17 Mixed 8 Lichen Soil
• 18 Mixed 2 4
• 19 Mixed 2 5
• 20 Mixed 2 4 5
• 21 Mixed 4 5 12
• 22 Mixed 4 5 8