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by: Tessa Snyder

Cryosphere ENVS 101 001

Tessa Snyder

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About this Document

I also recommend watching Frozen Planet: Winter, if you are a visual learner.
The Blue Planet
Alexandra Priewisch
Class Notes
ENVS 101
25 ?




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1 review
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"If Tessa isn't already a tutor, they should be. Haven't had any of this stuff explained to me as clearly as this was. I appreciate the help!"
Trent Dare

Popular in The Blue Planet

Popular in Environmental Science

This 1 page Class Notes was uploaded by Tessa Snyder on Monday March 28, 2016. The Class Notes belongs to ENVS 101 001 at University of New Mexico taught by Alexandra Priewisch in Spring 2016. Since its upload, it has received 12 views. For similar materials see The Blue Planet in Environmental Science at University of New Mexico.


Reviews for Cryosphere

Star Star Star Star Star

If Tessa isn't already a tutor, they should be. Haven't had any of this stuff explained to me as clearly as this was. I appreciate the help!

-Trent Dare


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Date Created: 03/28/16
Cyroshpere Cryosphere: surface that remains perennially frozen  Perennially: ice that does not melt seasonally  Mostly caused by a large accumulation of snow – amount that falls exceeds the amount that melts Glaciers: persistent body of ice created by snow packs that grow progressively thicker (from falling and melting snow)  10% earth’s surface is glaciers, 20% surface is frozen  Glaciers contain sands and gravel – valuable mineral resources, groundwater supplies, and help moderate water flow  Ice cores taken from glaciers to provide a record of global conditions- environmental archives.  Types: o Cirque – bowl-shaped depression on mountain side o Valley – cirque glacier expands outward and downward o Ice Caps – cover mountain highlands o Fjord – glacier-carved bedrock o Piedmont – spreads from mountain and enters lowlands  Glacial Period: ice age, Interglacial Period: warmer average global temperature o Last glaciation was 10,000 years ago Sea Ice: ice cover that floats at the Polar Regions  Consists of fresh water: salt is excluded from crystals as they form and dense salt is pushed through ice funnels in water  Global Coolness: o higher salinity (more ice that doesn’t hold salt), o higher planetary albedo (causes more cooling) o More ice changes ocean volume – sea levels will lower o Cause dry, cold weather and lead to mass extinctions or migrations


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