General Terms

20 flashcardsby traider
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1
Dryas
Genous of arctic wildflower
2
first US Ice Drilling in Greenland
1966
3
GRIP
Greenland Research Ice Project. European 89-93
4
Vostoc Core
Russian drilling in Antarctica. 400kyears
5
Cold Based Glacier
Below freezing at subsurface, solid frozen. Flows by internal deformation, does not erode surface
6
Temperate Glacier
melting temp at base (32). Whole ice block slides eroding land
7
Firn
1 year old snow. necessary for glacial formation.
8
Cordillera
West US and Canada Ice Sheet
9
Laurentide
East US Ice Sheet
10
Per Mil
percent out of a thousand
11
Peri/Paraglacial
unstable ice activity areas where it freezes and melts a lot. cold air from north + warm from south
12
Loess
glacial silt on Mississippi river floodplane found elsewhere. proof of winds blowing dust to greenland
13
Estuary
bay with numerous bays created by rivers flowing into a bay when sea levels were lower. San fran and delaware bay
14
Fjora
U shaped valley carved by glaciers. can be below sea level
15
proglacial lakes
formed where glacier melts. glacier retreats and forms basin. Varees and shorelines and shit
16
Lake Hypsometry
relation of elevation, surface area and volume. measures lake stages
17
anadonela
shells we collected. 3 meters deep burrowing
18
Stomata (stoma)
where leaves transpire moisture. more = less co2. less co2 in ice age
19
palynology
study of pollen. high lat lakes are good for this.
20
Bergamanns Rule
animal size determined by ability to dissipate heat at a size. Bigger volume equals more heat. Blue whale lives in cold water
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