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LSU GEOG 2051--- FINAL NEW MATERIAL with 100- correct answers 2025 latest update
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LSU GEOG 2051--- FINAL NEW MATERIAL with 100- correct answers 2025 latest update
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LSU GEOG 2051--- FINAL NEWMATERIAL with 100% correct
answers 2025 latest update
Cryosphere - answer frozen world; permafrost
Global Energy Balance - answer Inputs: Solar energy from the sun
Outputs: long wave radiation that the earth is constantly giving off heat.
Climate History - answer Global temperatures were very constant and
colder than today; ice age- cold period; quaternary period- temperatures
began to get colder and colder; glacial periods-ice sheet form; interglacial
period- temperatures warm and ice melts
Holocene - answer Current interglacial period
Milankocitch Cycles - answer Orbit (every 100000 years)
Axis Tilt ( 40000 yrs)
Axis direction (26000 years)
Glaciers - answer massive sheets of ice covering most of Canada and
north united states; 2 miles thick;
Mostly 90% found in antarctia; 8-9 in greenland; remaining scattered
around on high mountain peaks
Firn Granules - answer snow packed together very thickly; welded
together to form glacial ice
, Snowline - answer elevation in which the temperature is cold enough for
some snow to exist on them year-round.
Accumulation Zone - answer add material to the zone line; above the
snowline
Ablation Zone - answer loss materials; outputs called meltwater; below
snowline
advancing glacier - answer positive budget; inputs are larger than
outputs; storage increases
retreating glacier - answer Negative budget; outputs are larger than
inputs; storage decreases
Stagnant Glacier - answer balanced budget; inputs equal outputs
Internal Deformation - answer bending of ice crystals within plastic zone;
one factor that
Basal Slip - answer bottom of glacier where ice is melted and acts as a
lubricant for glacier movement
Glacial Surge - answer glacier with leap forward as movement extremely
rapid; 10-100's meters in few days
Rate of Movement Glacial - answer extremely slow; meters per year
Glacial Plucking (erosion) - answer glacier flows over obstruction (large
bedrock) as its moving up obstruction there's a tremendous amount of
pressure that produces a lot of water as moving down obstruction
pressure releases and water refreezes; as refreezes the ice sticks to
obstruction and as it moves it plucks as obstruction/land
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