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Full Description
The over-exploitation of groundwater and marked changes in climate over recent decades has led to unacceptable declines in groundwater resources. Under the likely scarcity of available water resources in the near future, it is critical to quantify and manage the available water resources. With increasing demand for potable water for human consumption, agriculture, and industrial uses, the need to evaluate the groundwater development, management, and productivity of aquifers also increases. Laboratory Manual for Groundwater, Wells, and Pumps serves as a valuable resource and provides a multi-disciplinary overview for academics, administrators, scientists, policymakers, and professionals involved in managing sustainable groundwater development programs. It includes practical guidance on the measurement of groundwater flow, soil properties, aquifer properties, wells and their design, as well as the latest state-of-the-art information on pumps and their testing, and groundwater modeling.
Features:
Covers basics of groundwater engineering, advanced methodologies, and their applications and groundwater modeling
Examines groundwater exploration, planning and designing, and methods for formulating strategies for sustainable management and development
Serves as a reference for practitioners on practical applications and frequently occurring issues of groundwater investigations, development, and management.
Contents
Part One: Measurement of Groundwater Flow. 1. Verification of Darcy's law. 2. Estimating ground water balance and study of artificial ground water recharges structures. 3. Water table contour maps. Part Two: Measurement of Soil Properties. 4. Sieve analysis for gravel and well screens design. Part Three: Measurement of Aquifer Properties. 5. Estimation of specific yield and specific retention. 6. Evaluation of hydraulic properties of aquifer by Theis method. 7. Evaluation of hydraulic properties of aquifer by Cooper-Jacob Method. 8. Evaluation of hydraulic properties of aquifer under unstready state condition by Chow method. 9. Evaluation of hydraulic properties of aquifer by recovery test. 10. Study of leaky and non leaky aquifers. Part Four: Wells and Their Design. 11. Testing of well screen. 12. Study of different drilling equipments and drilling of a tube well. 13. Measurement of water level and drawdown in pumped wells. 14. Well design under confined and unconfined conditions. 15. Study of well losses and well efficiency. 16. Computation of interference of wells. Part Five: Pumps and Their Testing. 17. Study of radial flow, mixed flow, multistage centrifugal pumps, turbine, propeller and other pumps. 18. Study of installation of centrifugal pump; testing of centrifugal pump and study of cavitations. 19. Study of performance characteristics of hydraulic ram. 20. Study of Deep well Turbine and Submersible pumps. 21. Analysis of pumping test data. Part Six: Groundwater Modeling. 22. Groundwater computer simulation models. Glossary. Appendix.
