As a su 
informati 
system f 
Figure 2. Land Change Ratio designec 
  
(1901-1992) 
Bp. 
T f Following 
| KON initiated 
bg | southwes 
b sd | | potential 
E be 5 
i 
or 
Chang o [8 
Chang Ratio (8 
ol 
ob 
  
  
À Á j | | | A MAL pr 
TN. Vn hy | | 2 informati 
- lis ER Rr d À Nd | B ty facts, an 
y emm EE = * M reduction 
| a including 
À / 
A wd procedure 
  
  
  
J 
+ incorpora 
part PR ar oy TET Lf DT Pa ood T TT 
201902903904905 908207 908909 9109119129139 14913 91891791892090219220923924928928929 knowledge 
Counties 
nm Paddy field 40 Dmland o Settlements 
  
The ‘rout 
using sat: 
1992 Land component 1381 Land Component monitorin 
! compo, Cultivated Lond Fan Cukivated Lond Rapping 
  
     
Other (30551 Pr — (351.080 Dher [30,53 we TEM. (561.31 
vicit / m irrigation & x 
igo on & / Y Hydre-worke = / ^ 
Hjdro- wor ra / 1 + Isolated ! \ 
3 Belted — (y | kills gnd kines | | 
ills and Mines | 3 | | + Development | / 
4 Development = A / Zone [80,9] p / 
Zone (1.031 ks P Sr M i 5 
Cattlaments & Sn eu Seltlements & ~~. [p 
a n un us 
Township (7.4%) Township (7.2%) 
1881 Land Component 
(her [827,6] 075 Cuitvated Lond (4636) 
rd gi s s 
í x 
Communication | 
(22.4) hm | Figure 3, Land Change in Sichuan Basin. China 
"4 A [ Source: 1991 & 1992 derived from TM image 
  
ern n ur i 1981 derived from MSS image & 
ua C E oi statistical data.) 
{ LAT BHD {vba 3 e e L. pa 
  
  
  
814 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B7. Vienna 1996