International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XXXIX-B4, 2012 
XXII ISPRS Congress, 25 August — 01 September 2012, Melbourne, Australia 
Figure 1. Plockton Study area. 
NI so. 1099003 
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3.00998999 --50 
49.59990999 --L0 
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[777] 2.20090293 -0 
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[7] 20.00006601 -30 
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[| =0.00000001 -60 
0.00000601 -70 
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{] e0.00000001 -90 
90.0G00000 1 - 100 
100.0000001 - 110 
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Figure 1a. ASTER GDEM v2 and OSGB Height Differences, for Plockton, created from Figs. 2a and 2b (below) . Green pixels are 
those whose positive difference exceeds three times the RMS Difference and purple pixels are those whose negative difference 
exceeds three times the RMS Difference, coinciding with steep forested areas and intertidal islands, in this case, as can be seen in 
Figure 1b. 
         
      
    
  
  
  
   
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Figure 1b.Topographic map of Plockton — an area of coastal (some intertidal) islands, inland lakes, steep rocky 
slopes, forested and un-forested mountains. 
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