55_2 Process-Form Indigenous Music and Landforms - Question 5
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Arizona State University *
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Subject
Geography
Date
Dec 6, 2023
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docx
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Uploaded by PresidentExplorationGull35
Question 5
1 / 1 pts
You will be matching landforms seen in various videos filmed in periglacial
settings with music to the processes that generated those landforms. Make
the best matches that you can. While there is music in most of the videos, I
had trouble finding music videos with some periglacial landforms as
backdrops.
If a link does not work, you might have to copy and paste the video URL
into a different window.
Correct!
At the start of
this music video
Links to an external site.
(0:06 to 0:40) you will see a hill in the the far upper
left.
This video
Links to an external site.
(not really
music) shows close-ups of this form. That hill has a core of fresh
water ice.
Correct!
At the start of
this video
Links to an external site.
(first 5 seconds), the bear walks in front a mound. That mount is
actually the front of a lobe of earth.
From 1:51 to 2:05
Links to an
external site.
, (and also 3:46 to 3:55) the boy is
walking over or next to these mound features. This is what the
lobes
The process that creates these hills involves the concentration of ice over time. Liquid water moves to a core of ice, and the ice core various grow
look like in winter
Links to an external site.
(2:22 to
2:32)
Correct!
This video
Links to an external site.
at 1:28 and cool
scenes throughout
A pingo is an ice-cored hill that can be found all around the Arctic ocean.
They used to form as far south as Illinois in the last ice age. They grow over
time as freshwater moves towards an ice core. Solifluction lobes are a form
of mass wasting where fine sediment is trapped by the vegetation of the
tundra. When the active layer of the permafrost melts, the mud oozes
downhill -- but slowly -- and the tundra rolls with the mud. The annual break-
up of river ice can be a dramatic event, modifying the margins of rivers.
When the permafrost melts, mud underneath tundra can begin to ooze and flow dow nhill. Normally, the rate of movement is now here near as fast as show n in this video. The rates are usua ly on the order of centimeters per day or w eek.
The break-up of ice on rivers can be a dynamic geomorphic force influencing the land adjacent to the river margins. This is different from the movem
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