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Glaciers are just a lot of ice.
You can find them in the alpine or they can cover an entire continent.
Large ones actually alter the global climate.
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Glaciers
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Published on Nov 25, 2015
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1.
BIG ICE CUBES
Glaciers are just a lot of ice.
You can find them in the alpine or they can cover an entire continent.
Large ones actually alter the global climate.
Photo by
laffy4k
2.
BUT DIRTY
They're pretty dirty.
Like Danny is ....
This dirt, often massive rocks, scrape the land into many of the features we enjoy today.
3.
GLACIERS
EXPAND SHRINK
Not like a sponge ...
They collect more ice and grow or loose mass and shrink.
Photo by
Stuck in Customs
4.
CHUNKS OF DIRTY ICE
Photo by
Nathan Wong.
5.
continental
EFFECT GLOBAL CLIMATE
Photo by
VinothChandar
6.
ages
2 MILLION TO PRESENT (QUATERNARY)
We've discussed that the earth was once a massive snowball.
More recently, there have been a number of times when much of North America was covered in kilometres of ice.
There was so much ice in the most recent one that our continent is still rebounding from all that mass.
Photo by
Fotografo de Bodas Quito (Insight Photography )
7.
Karoo
350 TO 250 MILLION YEARS AGO
Photo by
subarcticmike
8.
ALPINE
Photo by
DCSL
9.
LAND CARVERS
Photo by
Stuck in Customs
10.
ESKER
An esker is when an under glacier river gets packed full of gravel.
When the glacier recedes, you're left with a river fossil that eventually is covered with soil and trees.
11.
MORRAINE
Moraines (it should have only one "r") are piles of debris left by the glacier.
It pushes it to the side or the front as it grows.
Photo by
benoit_d
12.
KETTLE LAKES
Kettle lakes are created when a massive block of ice calves off of a glacier. It sits there as debris piles around it and then melts.
This leaves a roundish lake.
Photo by
WordRidden
13.
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Pick a couple of the features and research them.
Drumlin
Till
Erratic
Arete
Cirque
Fjord
Kame
Tarn
Chris Byron
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