108
Climatic Geomorphology
surficial channels
surficial crevasses
_
~
englacial crevasse
I
~
surficial lake i
~
-
~
|~englacial
\------ ~ ~~",,,,,.~'-'-'-z--'-~
"'qu n n e I s
s
...........
"I41~N /l~l"-~ ~
~
subglacial
....
channels
englacial channels ~1~1 lJ~
substratum
Figure 5.3. Schematic block diagram showing the different types of channels in a temperate glacier (after
Brodzikowski and Van Loon, 1991).
Figure 5.4. Marginal channel and lateral moraine, Skaftafellsj6kull in Iceland. Photo: F. Guti~rrez.