Geo # 3

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Author:
regishouse
ID:
113102
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Geo # 3
Updated:
2011-10-30 10:24:41
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geography test
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Description:
geography test #3, chapter 7
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  1. Climate
    variability and adverage temp over time
  2. Climatology
    the study of climate and its variability, analyzes long-term weather patterns over time or space and the controls that produce Earth's diverse climate conditions
  3. Climatic Regions
    characteristic weather patterns
  4. Climatic inputs
    • insolation
    • temperature
    • precipitation
    • air pressure
    • air masses
  5. Insolation
    pattern of solar energy in the Earth-atmosphere environment
  6. Temperature
    sensible heat energy content of the air
  7. Precipitation
    • rain, sleet, snow, and hail
    • the supply of moisture
  8. Air Pressure
    varying patterns of atmospheric density
  9. Air Masses
    regional-sized homogenwous units of air
  10. Climate is __________
    • the basic element in ecosystems
    • self regulating communities of plants & animals that thrive in specific environments
  11. Classification
    the process of ordering or grouping related data in categories
  12. Genetic Classification
    based on causative factors (interaction of air masses)
  13. Empirical Classification
    based on statistical data
  14. Climograph
    display of characteristics of the climate
  15. Six Basic Categories of Climate
    • 1. Tropical (T)
    • 2. Mesthermal (C)
    • 3. Microthermal (D)
    • 4.Polar (E)
    • 5. Highland(H)
  16. Tropical Climates (T)
    • all adverage monthly temps over 18o
    • AF = tropical rain forests
    • - monthly precip over 60mm
    • Am= tropical monsoon
    • - month precip over 6mm
    • - migration of ITCZ
    • Aw = tropical savanna
    • - pronounced winter dry season
    • - drought
  17. Mesothermal (C)
    • subtropical
    • mild winters
    • adverage temp of coldest month over 0o
    • Cfa = humid, subtropical (eastern regions)
    • Cfb, Cfc = marine west coast ( europe, britian, nor cal -alaska)
    • Csa, Csb = medditerrian
  18. Humid Continental (D)
    • microthermal
    • North Hemisphere only
    • adverage mo temp over 10o
    • Dfa, Dwa = warm mo temp over 22oc
    • Dfb, Dwb = warm mo temp less 22oc)
    • Dfc, Dwc, Dwd = subartic (1-4 mo over 10oc
  19. Polar (E)
    • no summer
    • ET = poleward limit of trees @ D boundry
    • EF = 9% of world's land area
    • - T = tundra (low laying grass)
    • - F = ice
  20. Arid Climates (B)
    • evapotranspiration exceeds precipitation
    • covers more land area than any other climate
    • Bw = desert
    • - annual precip less than 1/2 of moisture demand
    • Bs = steppe , total demand of annual precip less than 1/2 of demand
    • Bsk, Bwk = annual mean temp less than 50oc
  21. Highland Climates
    • determined by elevation (mountians)
    • cooler temps than lower elevation @ same elevation
    • lots of rain
    • climatic variation dur to elevation
    • treeline
  22. Climate is caused by _____ & _______
    • ocean currents
    • wind patterns
  23. a temp under _____ kills agriculture
    25o
  24. Deserts line up with _______ areas
    high precipitation
  25. 2 types of desert pavement
    • sand dunes
    • thissle (tumble weeds)catus
  26. Permafrost
    frozen siol beneath surface
  27. Tundra
    • land under snow
    • only in Nor Hemi
  28. Arid & semiarid climates are ____
    • described by percip rather than temp
    • occupy more than 35% of Earths land area
  29. Dry climates are ______
    • the world's arid deserts and semiarid regions
    • have unique plants, animals, and physical features
  30. Arid Desert
    • in tropical and midlatitude areas
    • precip-nat water supply = less than 1/2 of natural water demand
  31. Semiarid steppes
    • tropical and midlatutude areas
    • precip more than half of natuaral water demand but not satisfying it
  32. A
    Tropical
  33. B
    Arid-dry climates
  34. C
    subtropical climates
  35. D
    Continential & Subartic climates
  36. E
    Polar climates
  37. H
    highland climate
  38. Treeline
    • sharp line of sub& polar climates
    • no months greater then 10o temp

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