Save
...
Glaciated landscapes
Case studies
Lake palcacocha (HA in glaciated)
Save
Share
Learn
Content
Leaderboard
Learn
Created by
Mabel smith
Visit profile
Cards (13)
Where is lake palcacocha
At the snout of
palcaraju glacier
in the
Andes
in
Peru.
What is the Rio Paria
A large
river
that is formed by the
placacocha joining
another river. Flows through city of
huaraz
What is a glof
Glacial flood
Mean temp of city of huaraz
13.5
Mean temp where lake pal is
3.7
What was completed in 1974
8m
dam to hold back
meltwater.
includes a
concrete overflow
spillway which controls the water
levels.
Since
2010..
Lake as been
artificially lowered
by
3m.
Using
drainage pipes.
What is the aim of the drainage pipes
To prevent the
depth
of the lake exceeding
30m
What is the temp increases in the Andes
3-5
degrees
warmer
since the
1940s
What are the hazards created by the change in lake
Fear
a
glacial flood.
(Already had
three
one in
1941
that
devastated
the city)
Why is potential energy of lake increasing dangerous
More
pressure
on the
moraine
How many were killed during the 1942 GLOF
4000
Less fluctuation in the lakes size means
The
landscape
is
affected