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etc.) 
, and 
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,vegetaion,land use,land 
suitablelity,Hidrological map produced. 
Also 10 Photomaps on 1:50,000 were 
produced during the projects which 
was finalized in1992 
  
   
       
    
  
  
  
  
  
  
      
    
      
     
    
  
       
   
   
  
  
  
  
The project overview indicats the 
procedure that we followed (fig2 
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Conclusions: 
The following coclusions can be 
drawn from the projects: 
1-Satellite remote sensing is an 
oprational and reliable tool for land 
use and vegetaion mappings on scales 
between 1:50,000 and  1:25,0000.With 
fusion of areial photographs and 
satellite images up to 1:25000 maps is 
possible. 
2-Only geometrically corrected 
Images,and  especailly Satellite Image 
Maps, should normaly be used in 
Satellite based thematic mapping 
projects. 
3= With high requirements. ..on. the 
Classification system and on accuracy 
of the result,the txture of the SPOT 
Image is of decisive importance to the 
choice of sensor. 
4-An important 
problem that has to 
De consider 
is cloudness, especially 
235 
in tropical area such as north of 
country,in this case its better to 
chose another extra sets from other 
sensor. : 
5- Image acqusition shuld be done 
during priods with suitable 
vegetation. This limits seriously the 
priod of times suited for image 
acqusition.In pllaning and when 
inventories availability is done this 
must be considered. 
6-Mapping directly in GIS systems 
combining raster and vector are 
technique already suited for 
decentralized solutions and for the 
revision of GIS database. But still for 
small area (less than hectare ) is not 
suitable . (FQ 3) 
7-Time saving in map production and 
high qualities of maps presentation, 
accuracy of data in any form such as 
tables, text and graphs are quite 
possible,and also technolgy 
transfering is another advantage . 
8- In spite of these  benifis some 
disadvantages like high expences for 
sofware and hardware ,satallite data 
‚and trined peopel should be 
considered. 
( 44090 EA rr gum ant) 
  
CONTOR-RIVER MAP | 
  
  
  
  
a 
STUNT 4824 
S 
BCall 0:1000900 
  
  
  
  
  
  
  
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B7. Vienna 1996