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21 Cards in this Set

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the volume of water that filled with air compared to volume of solids
porosity
measure of ease of moving water through the pore space
permeability
1 factor that controls streams behavior
average width and depth of channel
2 factor that controls streams behavior
channel gradient
2 factor that controls streams behavior
channel gradient
3 factor that controls streams behavior
average velocity
4 Factor that controls streams behavior
sediment load
5 factor that controls streams behavior
discharge
what is discharge and how is it measured?
amount of water passing a point at a given interval of time
Q= W * D * V
will form in a protected bowl shaped depression on a mountainside
cirque glacier
cirque glacier that expands into a mountain valley
valley glacier
glacier that forms in a flooded valley
Fjord Glacier
forms at high latitudes and covers land surfaces
ice cap
continental sized glaciers found in Greenland and Antartica consists of 95% glacier ice
ice sheet
occur at large embayments along coast of Antartica
ice shelf
1 reason for glaciers to be environmental archives
glacier ice can be used to determine past environmental conditions
2nd reason for glaciers to be environmental archives
scientists take ice cores and examine statigraphy of ice
3rd reason for glaciers to be environmental archives
isotopes can tell us specific temperatures it was when ice formed
zone that extends from surface zone 100-50 m depth Consists of relatively warm water, mixed layer driven by wind, waves, temperature changes
surface zone
this zone contains thermocline, helocline, pycnocline (temperature, salinity, and density)
zone without a name
80% of oceans volume cold, salintiy is high, density is high
deep zone