Tx history-ch-2.1

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  • Texas History Chapter 2.1 The Physical Landscape of Texas
  • Why are we studying this? Texans have long relied on the states sources of water. Texas has many different resources including aquifers and reservoirs.
  • Landforms of Texas
  • Landforms of Texas
    • Major Landforms of Texas
      • Plains
      • Hills
      • Plateaus
      • Mountain ranges
  • Landforms of Texas
    • Plains areas of flat or gently rolling land without a sharp rise or fall in elevation
  • Landforms of Texas
  • Landforms of Texas
    • Plateaus are areas of flat elevated land that drop sharply on one or more sides
  • Landforms of Texas
    • Texas Hill Country
    • Located in Central Texas
    Texas Hill Country
  • Landforms of Texas
    • Ranges groups of mountains
    Guadalupe Peakhighest point in Texas
  • Photos from the Guadalupe Mountains
  • The Texas River System
  • The Texas River System
    • All rivers and streams in Texas eventually flow into the Gulf of Mexico!
    • Most Texas Rivers are located in East Texas !
  • The Texas River System
    • Tributaries any smaller stream or river that flows into a larger stream or river
    Which river is a tributary to the Rio Grande?
  • The Texas River System
    • Major River Systems
      • Tributaries of the Mississippi
        • Red River
        • Canadian River
      • Flow directly into Gulf of Mexico
        • Brazos
        • Colorado
        • Neches
        • Nueces
        • Sabine
        • Trinity
      • Rio Grande and Tributaries
        • Rio Grande
        • Pecos
  • Texas Lakes & Aquifers
    • Few natural lakes
    • Caddo Lake: largest natural lake in state
    • Hundreds of artificial lakes
  • Texas Lakes & Aquifers
    • Reservoirs artificial lakes that store water and are often used as a source of water by towns and cities
  • Texas Lakes & Aquifers
    • Reservoirs also used for irrigation
    • Irrigation supplying of water to crops by artificial means
  • Texas Lakes & Aquifers
    • Aquifer natural formations of underground gravel, rock, or sand that trap and hold rainwater
  • Texas Lakes & Aquifers
    • Refilling/Recharging is usually a slow process
    • Provide water for farms, home, & industry
  • Texas Lakes & Aquifers
    • Ogallala Aquifer
      • largest underground aquifer in the state
      • stretches from Texas and New Mexico all the way to South Dakota
  • Texas Lakes & Aquifers
    • Edwards Aquifer
      • underground water source for Central Texas
      • water source for Austin and San Antonio