Younger-Dryas: 11-13K

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Younger-Dryas 11-13K
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Climate and Biomes II. Determinants of Local
Climates
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Merriams Life Zones in the southwestern U.S.
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Valleys - Day
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Valleys - Night
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B. Water Bodies - act as heat sink/source as temp
changes more slowly than air
SPRING to SUMMER
Land warms more rapidly than water body heat
transfers to cold water...increase in temp is
buffered
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B. Water Bodies - act as heat sink/source as temp
changes more slowly than air
FALL to WINTER
Land cools more rapidly than water body heat
transfers to cold land...decrease in temp is
buffered
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B. Water Bodies - act as heat sink/source as temp
changes more slowly than air
CONTINENTAL CLIMATE
MARITIME CLIMATE
Continental climate
Maritime climate
focus on temp (red) and NOTE scales differ!!
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B. Water Bodies - also a source of moisture

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B. Water Bodies - also a source of moisture

Maritime climate
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B. Water Bodies also a source of moisture

Continental climate (max 100)
Maritime climate (max 160)
focus on precip (blue)
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• B. Water Bodies
• also a source of moisture
• depends on onshore vs. offshore winds/currents

Vancouver, 49N
Boston, 42 N
Note differences in scale
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Atacama DesertAdditive Effects
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D. Seasonality in Temperate Lakes
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Nebraska
Texas