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Piezometers

Piezometers. Introduction A. Piezometer (def): a non-pumping well that is used to measure the elevation of the water table or the potentiometric surface. Introduction

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Piezometers

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  1. Piezometers

  2. Introduction A. Piezometer (def): a non-pumping well that is used to measure the elevation of the water table or the potentiometric surface

  3. Introduction A. Piezometer (def): a non-pumping well that is used to measure the elevation of the water table or the potentiometric surface

  4. Introduction A. Def: a non-pumping well that is used to measure the elevation of the water table or the potentiometric surface B. Measures hydraulic head, or the total energy flowing through an aquifer.

  5. II. Morphology A. The criteria 1. Consists of a tube or pipe 2. Must be sealed along its entire length

  6. II. Morphology A. The criteria 1. Consists of a tube or pipe 2. Must be sealed along its entire length 3. Must be open to water flow at bottom and open to atmosphere at top

  7. II. Morphology A. The criteria 1. Consists of a tube or pipe 2. Must be sealed along its entire length 3. Must be open to water flow at bottom and open to atmosphere at top 4. The intake is usually slotted or screened pipe

  8. II. Morphology A. The criteria 1. Consists of a tube or pipe 2. Must be sealed along its entire length 3. Must be open to water flow at bottom and open to atmosphere at top 4. The intake is usually slotted or screened pipe B. Diagram

  9. 6 B. Diagram 1. Consists of a tube or pipe 2. Must be sealed along its entire length 3. Must be open to water flow at bottom and open to atmosphere at top 4. The intake is usually slotted or screened pipe 5 3 4 3 2 1

  10. III. Installation

  11. IV. Uses of Piezometers A. In general…. v, Q, K, dl, dh, S, Ss, T

  12. IV. Uses of Piezometers A. In general…. B. Spaced Piezometers

  13. IV. Uses of Piezometers A. In general…. B. Spaced Piezometers C. Nested Piezometers

  14. IV. Uses of Piezometers A. In general…. B. Spaced Piezometers C. Nested Piezometers D. Equipotential and Flow Lines

  15. D. Equipotential and Flow Lines

  16. IV. Uses of Piezometers A. In general…. B. Spaced Piezometers C. Nested Piezometers D. Equipotential and Flow Lines E. Relationships among h, z, and Ψ

  17. IV. Uses of Piezometers E. Relationships among h, z, and Ψ

  18. IV. Uses of Piezometers E. Relationships among h, z, and Ψ

  19. IV. Uses of Piezometers E. Relationships among h, z, and Ψ

  20. V. Piezometer Response to Gaining and Losing Streams

  21. Gaining and Losing Streams…..

  22. VI. Examples

  23. VII. 3-Point Problems

  24. VII. 3-Point Problems

  25. VI. Piezometer Response to Gaining and Losing Streams

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