PHOTO 5a. Sector of Landsat MSS-5 image PHOTO 5b. The same sector on Landsat 
Some over volcanic centers, South of Chile, MSS-7 image. Active volcanos (1,2,3, 
gares during summer period. This spectral band 4) are clearly identified through the 
does not show snowmelting conditions. snowmelting conditions (humid soils in 
black tones, surrounding volcanic zones) 
7% 73 72:1 70 69 
ME 
an | 
30 LA. SEE m 
COQUIMBO (Basin C 
e o S OUT H 
x Dr D 475 z AMERICA 
< 
32 = = i w z 
o « 
o Puchuldiza Vn, w 
\ 33 VALPAR AIS a o 
SAN dá 4 Maipo | Oo 
ANTOND (Bonn | Ojos del Salado 
9 Vn 
34 —H + = : o 
Uu. — 
| — Tupungatito Vn 
| Lr 
Ne] | o VilarricaVn. abezado Vn. zZ 
35 | « yehue Vn. « 
| a. Lautaro Vn. d 
| 
36 j| + 
CM | « 
| | cofferclon> X doc i 
FIG. 6. Pilot basins to be stu- FIG. 5. Pilot volcanic areas to be 
eason. died in Central Zone of Chile, studied along Chile, to determine a 
for snowmelting runoff forecasts. global methodology on volcanic sur- 
veillance along Los Andes Range,Chile. 
563 
Lu 
hin 
m 
|. 
ha trl iene ee = 
& = CN EE En