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