0.5 / 0.5 pts
The Columbian Icefield in the Canadian Rockies is a must visit for a physical
geographer. Courtesy of
Google Street Views (Links to an external site.)
, you can walk
around, look around,and visit.
I would like to you look around. This is the
photograph view (Links to an external site.)
In the Street View, please look to your right
(west) and to your left (east). You will see low-lying ridges. Please zoom in like
(Links to an external site.)
to look at the piles of boulders, cobbles,sand and mud. These
___________________ represent __________________. Fill in the blanks with the best answer.
These lateral moraines represent the equilibrium line (or snow line) of the Athabasca
These lateral moraines represent the maximum height of the zone of accumulation of
the Athabasca glacier.
These glacial aretes represent a former level of the glacier, which has then eroded the
valley even deeper into its present position.
These lateral moraines represent a time when the Athabasca Glacier was a bit more extensive.