Table 1. Imagery 
Image 
Path - Row 
Acq. Data 
Min. Value 
Max. Value 
Mean Value 
St. Dev. 
Median 
Left: 10343 
027-547 
5 Jan. 1989 
15 
254 
94.19656 
91.67294 
21 
Right: 10342 
026-547 
22 Jan. 1989 
17 
254 
146.7439 
88.69471 
199 
Figure 1. GCP’s Selection. 
ANTARCTICA, Victoria Land, Terra Nova Bay 
Region. 
a) Area with priority “11” and zones with their 
associated priorities; 
b) Aerial view of the GCP, selected in the “prl l_c” 
zone; 
c) Indication of the selected GCP on the high 
resolution satellite image. 
panchromatic images as indicated in Table l.The right image presents a snow storm in the 17 days elapsed 
between the acquisition of the two images. This fact degrades the image, altering some radiometric parameters - 
see Table 1. For example, the albedo of the fresh snow is 0.75 - 0.90, while that of old snow is 0.45 - 0.70. 
179