Environmental engineering: runoff generation

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Created by: Chris
  1. With respect to a hydrograph, what comproises the direct run off?
  2. and what comprises the baseflow?
  3. Regarding the theroris, describe the rational model.
  4. describe the horton model? draw the diagram.
  5. Describe the partial area concept. draw the diagram
  6. describe the subsurface stormflow concept. draw the diagram
  7. supporting the subsurface stormflow concept are two other concepts. describe the piston flow concept.
  8. describe the variable source area concept. draw the diagram
  9. Whihc is not one of the hydrological mechanisms supporting the variable source area concept?
  10. Overland flow dynamics. Which is the correct definition of a hydrologically disconnected system?
  11. Which sentence correctly describes a hydrologically connected system?
  12. With regard to variable source area concept, which is unture fact about the satuiration excess and return flow?
  13. Subsurface flow dynamics. Affected by many many things, but what underpins this area?
  14. To understand and use darcy's law we need to know about flow gradients. Which of the following influences a flow gradient?
  15. To help us understand and use darcy's law we need to know about conductivity. What affects conductivity?
  16. Darcy's law can have trouble working at large scales. so we need to know some things... which of the following is untrue
  17. Which of the following factors does not influence the contribution that subsurface flow makes to run off? part 1
  18. Which of the following factors does not influence the contribution that subsurface flow makes to run off? part 2
  19. Which quick description best describes translatroy flow?
  20. Which definition best describes saturation wedge flows, perched water tables and high conductivity layers?
  21. Which best bdecribes a preferential flow path?
  22. Which best describes capilarry fringe effects?
  23. What are the main factors influencing catchment run off? catchment morphology: includes factors such as the number of channels that can drain run off from a catchment, and average slopes, catchments size and shape
  24. Once again regarding termanology associated with the hydrograph. What is the BASE FLOW INDEX (BFI)?
  25. What is the percentage runoff (PR)?
  26. What is the standard percentage runoff? (SPR)

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