TX History Ch 2.1

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Transcript of TX History Ch 2.1

  • 1. Texas History Chapter 2.1 The Physical Landscape of Texas

2. Why are we studying this? Texans have long relied on the states sources of water.Texas has many different resources including aquifers and reservoirs. 3. Landforms of Texas 4. Landforms of Texas

  • Major Landforms of Texas
    • Plains
    • Hills
    • Plateaus
    • Mountain ranges

5. Landforms of Texas

  • Plains areas of flat or gently rolling land without a sharp rise or fall in elevation

6. Landforms of Texas 7. Landforms of Texas

  • Plateaus are areas of flat elevated land that drop sharplyon one or more sides

8. Landforms of Texas

  • Texas Hill Country
  • Located in Central Texas

Texas Hill Country 9. Landforms of Texas

  • Ranges groups of mountains

Guadalupe Peakhighest point in Texas 10. Photos from the Guadalupe Mountains 11. 12. The Texas River System 13. The Texas River System

  • All rivers and streams in Texas eventually flowinto the Gulf of Mexico!
  • Most Texas Rivers are located inEast Texas !

14. 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? 15. 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

16. Texas Lakes & Aquifers

  • Few natural lakes
  • Caddo Lake: largest natural lake in state
  • Hundreds of artificial lakes

17. Texas Lakes & Aquifers

  • Reservoirs artificial lakes that store water and are often used as a source of water by towns and cities

18. Texas Lakes & Aquifers

  • Reservoirs also used for irrigation
  • Irrigation supplying of water to crops by artificial means

19. Texas Lakes & Aquifers

  • Aquifer natural formations of undergroundgravel, rock, or sand that trap and hold rainwater

20. Texas Lakes & Aquifers

  • Refilling/Recharging is usually a slow process
  • Provide water for farms, home, & industry

21. Texas Lakes & Aquifers

  • Ogallala Aquifer
    • largest underground aquifer in the state
    • stretches from Texas and New Mexico all the way to South Dakota

22. 23. Texas Lakes & Aquifers

  • Edwards Aquifer
    • underground water source for Central Texas
    • water source for Austin and San Antonio