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  • 120 in the day to 48 in the evening (72 degree shift)

Ch 1 sec 2 Ch 1 sec 2 Presentation Transcript

  • Weather vs. Climate
  • Weather • Over a short period of time
  • Climate • Occur over a long period of time
  • Climate Zones • The earth in divided into 6 climate zones • 2 Torrid Zones (warm all year) • 2 Temperate Zones (cooler and has seasons) • 2 Frigid Zones (cool to subzero all year)
  • Frigid Frigi d Torrid Torrid
  • Factors that affect climate 1. The sun – The sun strikes the earth unevenly and certain parts of the earth receive more heat than others
  • 2. Latitude – How far an area is from the equator
  • 3. Elevation – Height above sea level – The higher you climb, the colder it gets
  • 4. Large bodies of water – Precipitation and ocean currents affect climate
  • 5. Mountain ranges
  • CLIMATES • Wladimir Köppen developed classification system for climates
  • Tropical Climates • Have high temperatures and heavy precipitation
  • 2. Savanna
  • Dry Climate
  • 1. Desert
  • • Desert – less than 10” of precipitation a year and big difference in nighttime and daytime temperatures
  • 2. Steppe
  • Steppe – average 10-30” of rain a year
  • Mild Climates
  • Humid subtropical – mild winters and hot, moist summers
  • 2. Marine West Coast
  • Marine West Coast – dry winter with regular rainfall
  • 3. Mediterranean
  • Mediterranean – found surrounding the Mediterranean Sea
  • Continental climates • Seasonal extremes in temperature and precipitation
  • 1. Humid Continental
  • Humid Continental – cold winters and warm to hot summers
  • 2. Subpolar
  • Subpolar Climates – snow climates
  • Polar Climates
  • 1. Polar Ice Cap
  • Polar icecap – permanent ice and snow
  • 2. Tundra
  • Tundra – has snow, but has a short season when temperatures may rise above freezing
  • Highland Climates • Resemble polar climates
  • Renewable vs nonrenewable resources
  • Renewable Resources • Water • Soil • Air • Trees • Waterpower • Geothermal energy (heat from the Earth’s interior) • Wind • Solar energy (energy from the sun)
  • Nonrenewable Resources • Exist in limited quantities and cannot be replaced – Iron – Bauxite (make aluminum) – Fossil fuels (coal and petroleum) – Nuclear energy (uranium)