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6. What are the key controls on sand transport rates?

  • Sand texture, moisture content, vegetation and slope
  • slope
  • moisture content, vegetation and slope
  • moisture content and vegetation

7. The Coriolis effect deflects air to the ... in the Southern Hemisphere

  • Straight
  • Left
  • Right
  • Backwards

8. What are the 4 controls on q?

  • wind regime, grain size, beach width and beach slope
  • wind regime, grain size and slope
  • beach width, slope, regime and grain size

9. What is the full atmospheric BL?

  • 1-2km
  • 1m
  • 10s of metre
  • 1km

10. What Re is turbulent flow?

  • 500-2000
  • 2000
  • 500

11. What type of forces encourage deformation

  • inertial forces
  • viscous forces
  • gravitational forces

12. Airflow is always what type of Velocity Profile?

  • Turbulent
  • Laminar
  • Transitional

13. Air at the equator is what pressure?

  • No pressure
  • Low pressure
  • High pressure

14. Creep is the;

  • reptation
  • rolling of large grains on the surface, encouraged by saltation
  • splash of grains, from saltation impact
  • where grains hop

15. What is the region where; airflow above surface is influenced by the ground’s friction

  • Boundary Layer
  • Velocity Profile

16. The Coriolis effect deflects air to the ... in the Northern Hemisphere

  • Forwards
  • Backwards
  • Right
  • Left