mages Table 1: The dates and environmental conditions of the SAR-images used in this study. ERS-1 images are nr. 1 - 14, 
Jers-images nr. 15 and 16 and Radarsat images nr. 17 - 20. Line means that information is not available. 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
other 
hieved Nr Date Precipitation (mm) | Temperature (C?) Snow Water Equivalent (mm) 
es and 
s. The 1 30.6.1993 3.1 13.6 no snow 
Father 2 4.8.1993 0.0 17,3 no snow 
| were 
frozen 3 2.10.1993 0.0 2.9 no snow 
s. The 
ERS-1 4 13.10.1993 25.1 8.9 no Snow 
n area 
S were 5 1.11.1993 0.0 1.9 no snow 
quand 6 | 6.11.1993 0.0 -0.2 no snow 
heavy 
f class 7 3.1.1994 1.6 snow -18 20-30 dry snow 
e also 
| Jers, 8 6.1.1994 : 3.3 snow -4.9 20-30 dry snow 
1-snow 
hieved 9 27.1.1994 7.9 snow -4.8 40-60 dry snow 
10 9.2.1994 0.0 -22.2 40-60 dry snow 
ning 11 8.2.1994 0.4 snow 172 40-60 dry snow 
n the 
mages 12 23.2.1994 0.1 snow -10.0 40-60 dry snow 
mages 
nedian 13 26.2.1994 0.2 snow -9.4 40-60 dry snow 
onte 14 | 25.3.1994 1.5 snow 13 60-70 wet/dry snow 
ürwise 
mages. 15 18.12.1994 0.6 snow -6.0 - 
hieved 
otween 16 30.4.1995 6.9 snow/water 1.1 - 
ı stem | 
derate | 17 19.11.1997 0.2 snow -3.2 - 
y poar 18 | 30.11.1997 5.7 snow 22 : 
in Jers 19 | 18.12.1997 0.4 snow/water -1.0 : 
17 and 
and 6). 20 30.1.1998 3.5 snow -102 - - 
bilities 
3, and 
rain or 
> angle Table 2: The best pairwise class separabilities and corresponding image, when separabilities were computed from the 
di original images (upper right triangle) and the median filtered images (lower left triangle). 
es like 
N stem 
Class 1 9 3 4 5 6 7 
1 - 20 - 0.6 15 - 0.6 15 - 1.4 1 - 0.2 19 - 0.2 1 - 0.2 
2 20 - 0.9 - 20 - 1.0 17 - 1.4 20 - 0.5 20 - 1.4 20-11 
S Were 3 15 - 0.5 20 - 1.4 - RE 15 - 0.5 15 - 0.5 15 - 0.5 
image 
is been 4 15-19 17 - 1.7 17 - 1.7 - 15 - 1.2 15 - 1.6 15 - 1.6 
vindow 
es low- | 5 3 - 0.5 20 - 0.7 15 - 0.4 15 - 1.7 - 20 - 0.4 20 - 0.2 
oD 20 - 0.5 20 - 1.9 15 - 0.4 16 - 2.0 20 - 0.8 - 12 - 0.1 
incipal 7 5 - 0.5 20 - 1.6 15 - 0.4 15 - 2.0 15 - 0.5 15 - 0.1 - 
mation orm 
ance of 
cording 
Intemational Archives of Photogrammetry and Remote Sensing. Vol. XXXII, Part 7, Budapest, 1998 569