International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B7. Istanbul 2004 
  
—$— Observed 
—&— Estimated 
ET Cmm) 
o> 
S 
  
  
  
  
] :2 3.4 5 0 7.8. 9-10.11 12 
Month 
Fig. 4 Daily ET comparison between observed values and estimated values at Liujiaxia Reservoir 
  
140 
120 
100 
80 
60 
40 
20 
—e€— Observed 
—d8— Estimated 
ET (mm) 
  
  
  
  
1 9— 3 4 5.0607 8 9 1041 1? 
Month 
Fig..5. Daily ET comparison between observed values and estimated values at Fengjiashan Reservoir 
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CN D Cp.r4« O0 € (^ f o m 
—- 
—-— e &9 m C$ 0) 0C) t3) 0C) Sy c^ 0) Nj) .5-—— e