Thailand/Miller, Nualchawee and Tom 
  
  
  
  
(a) airphoto comparisons of (b) MSS-7 LANDSAT difference of 
1968 to 1972 1975 to 1974 
FIGURE 7.5. COMPARISON OF FOREST DEPLETION MAPS COMPUTED FROM AIRPHOTO LAND 
COVER MAPS AND LANDSAT DIFFERENCE IMAGES. The displays both represent the 1 hectare 
resolution. The LANDSAT images were taken 13 February 1975 and 22 January 1974 and represent 
a solar angle difference of +1°. 
  
  
  
NE 
| + 
| + 
oe 
  
i 
Ly 
NS à 
2 . 
y 
  
   
  
  
  
(a) airphoto comparisons of (b) MSS-7 LANDSAT difference of 
1968 to 1972 1974 to 1973 
  
FIGURE 7.6. COMPARISON OF FOREST REGENERATION MAPS COMPUTED FROM AIRPHOTO 
LAND COVER MAPS AND LANDSAT DIFFERENCE IMAGES. The displays both represent the 1 
hectare resolution. The LANDSAT images were taken 22 January 1974 and 27 January 1973 and 
represent a solar angle difference of «1° 
laps