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36 Cards in this Set

  • Front
  • Back
Characteristics of Air Masses
1) Huge Size
2) Uniform Properties
3) Distinct, separate entity
Maritime Code
m
Continental Code
c
Tropical Code
T
Polar Code
P
Front legend
Half Circles - warm front
Triangles - cold front
Opposite circle/triangle - stationary front
Same circle/triangle - occluded front
Polar Front Theory
Unlike air masses meet at a boundary called the "polar front"
3 characteristics of thunderstorms
1) Thunder and lightning
2) Localized and short duration
3) Often accompanied by heavy ran and hail
3 precautions of lightning
1) Avoid standing near tall or metallic objects
2) Stay clear of high areas and bodies of water
3) In home, do not use conductive objects (TV, phone, computer)
Watersprouts
Funnels over the ocean that have lesser pressure gradient, gentler winds, and reduced destructive capacity (than tornadoes
T. T. Fujita created?
Fujita Scale, used to evaluate tornadoes
3 reasons for the great loss of life in the 1900 Galveston Hurricane
1) People did not evacuate
2) Went to go watch the ocean
3) Rising waters cut off any escape routes
Climate Classification
Greeks divided known world into what 3 zones?
1) Torrid Zone
2) Temperate Zone
3) Frigid Zone
3 characteristics of Humid Continental climate
1) one of the most densely populated, highly developed and agriculturally productive regions in the world
2) Goes from U.S. East coast, across heartland, to much of midwest
3) Four seasons, highly developed and distinct
Pleistocene Epoch
Ice Age
4 places for major glacial advances
Nebraskan
Kansan
Illinoisan
Wisconsinan
Holocene Epoch
After Pleistocene, live in it now
Causes of Climatic Change
1) Variations in Earth's Orbit -
2) Changes in Solar Output - 11 year sunspot cycle may affect climate
3) Changes in Earth's atmosphere - Atmospheric dust levels affect climatic change
3 Effects of Global Warming in Higher max. temps in continental areas
1) Increased heat-related deaths
2) Increased heat stress in farm animals and wildlife
3) Increased risk of lower yields in crops
3 effects of Global Warming in High Min. temps in continental areas
1) Decreased cold-related deaths
2) Extended activity and range of inspect pests
3) Reduced energy demand of heating
List 3 physical states of water and give examples
1) Liquid - Water (Rivers, lakes, oceans, rain)
2) Solid - Ice (glaciers)
3) Gas - Water vapor (atmosphere)
List 3 types of water movement and describe
1) Surface-to-Air: moisture enters the atmosphere by evaporation and transpiration
2) Air-to-surface: moisture returns to Earth by condensation and precipitation
3) Movement on and beneath Earth's Surface: process of "run-off" returns from the land to the sea
Oceanography
science of oceans
Four major oceans
Pacific
Atlantic
Indian
Arctic
Short essay on Pacific Ocean
Largest geographical feature on the Earth's surface, is the largest ocean, and deepest ocean
Total land area of earth is smaller than area of pacific ocean
2 Characteristics of Lakes
1) body of water surrounded by land
2) most contain fresh water
3) Are relatively temporary
3 Characteristics of oceans
1) Dilute solution (96% water)
2) Temperature variation (3 vertical temp zones)
3) Pressure variation (Pressure increases rapidly with depth)
Salinity of Ocean
%55 Chloride
%30.6 Sodium
%7.7 magnesium
%3.7 Sulfur
Thermocline
Where change from heated surface layer to cold deep water occurs
Firn
snowflakes on land are converted to small rounded grains and with further melting, refreezing and weight become this
Glaciers are ___ systems
Open
List and define 2 characteristics of ground water
1) Earth's primary supply of fresh water
2)All subsurface water, especially in the zone of saturation. groundwater includes water found within the soil and in loose rock and bedrock in the subsurface
Zone of aeration
precipitation which has infiltrated into the soil is called soil moisture
Percolation
Water moving downward cause gravity
Capillary action
water moving up
3 Factors affecting distribution of ground water (&desc.)
1) Precip. amount that falls in a given area or areas that drain
2) Evap. removes water, but vegetation can block it
3) Porosity - amount of space between the particles of the soil and rock