0 
ua 
  
IAPRS & SIS, Vol.34, Part 7, “Resource and Environmental Monitoring”, Hyderabad, India, 2002 
  
Relationship between radar backscatter coefficient and 
soil moisture in 0-5cm depth for bare fields 
  
  
  
  
  
  
  
  
  
  
  
0 
5. 10 15 20 25 30 35 40 45 50 55 60 
Soil Moisture (g/g) 
0.0 - 
B07 Y=0.0916*X-7.283 e 
© 
c. : Rsq = 0.72 = E 
= 9 iN te * 9 La —$ 
3 -3.0 3 A 
oO € 9 — e 
o -4.0 E + E meet 
8 -50- Bo LISS er 9o 9:49 
o E 
S -6.0 7 Mene = $9 e 
m .7.0 e 
-8.0 T T T T T T T T7 
0 S 10 15 20 25 30: 35 40 45 50 55 60 
Soil Moisture (g/g) 
| Relationship between radar backscatter coefficient and 
| Soil moisture in 0-10cm depth for bare fields 
0.0 
Go Y z 0.104 * X - 7.949 e 
| = 201 Rsq=0.69,N=18 ? + o8 
|. 9 -20- BZ 
| : 2 
| © 4.04 e aida Dons 
| S -50- d 
| 0o Y Le 
| $ -6.0 - e c e * 
| m -7.0 4 —9 E 
| -8.0 T T T T T T T T T T 
| 
| 
| 
i 
  
  
Figure 4. Regression relationships between soil moisture at 0-5 and 0- 10cm depths 
for bare fields and RADARSAT SAR backscatter coefficient at 16? look 
angle. 
715