2004 International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B7. Istanbul 2004 
  
  
Fig. 4 Drought possibility area at north China in 2000 year by the 
agricultural monitoring system using NOAA/AVHRR. 
    
      
   
  
  
  
  
be e es | Forest 
A Forest Stepps i B Steppe 
P 44 46 90N i 44 26.01N 
Wi a 117 1425E i 118 48 54€ 
^ 
05 | avi. 05 | 
» / \ 
M à 
i X 04 | m. 
04 —e— 2000's NDVI | ——2000sNDVI | ® 
| | *'-- Average NDVI 3 
8 i =— Average NDVI 5 | : verage NDVI] , 
| 
i 
i 
i 
Ï 
» | P. 
Z^ | Li mm 
x = E 
^ 
x“ 
1 
| 
  
POS PS SP 
na NN 
P ;S S S 2 > = S En es > > NP P = R Ro AA 3 ar or 
s TLS ELS 
N 
0 
KJ 
N NN NN SN AN NN NER RE A 
NUM dus S P NR x s aM i 
FEE Pp Poe Toe Sop doy 
06 ; 
- | D Agricultrual Fiekd 
€ Two Crops 
32 49.72N 
95 had 112 26 35 
  
~—&— 2000's NDVI 
17 Average NDVI | 
   
     
n 
    
  
  
  
   
SAB OD DOD DSA DSS HSS 
NN NN IN NE NE AN ; e . . 
t x aA A M eo S en at a M ur u^ 
T = T su Qu M ei 
? "d Xem X BPS Sep Se | 
Fig. 5 NDVI profiles of 2000 year and average between 1997, 1998 and 1999. i 
667 j