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Course Unit Title Course Unit Code Type of Course Unit Level of Course Unit Year of Study Semester ECTS Credits
Hydrogeology JLJ303 Compulsory Bachelor's degree 3 Fall 5

Name of Lecturer(s)

Associate Prof. Dr. Nihat Hakan AKYOL
Research Assistant Özge Can GÜNDÜZ

Learning Outcomes of the Course Unit

1) Determine where and what quantities groundwater resides in earth, how fast and what direction it moves in subsurface
2) Produce and interpret hydrogeological maps
3) Apply pump test data to compute water storage and conductance properties of aquifers
4) Calculate well yield, radius of influence and drawdown caused by pumpage
5) Conduct hydrologic water budget
6) Evaluate groundwater chemistry and quality in general

Program Competencies-Learning Outcomes Relation

  Program Competencies
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Learning Outcomes
1 High High High High High High High High High High High High High High High High High High
2 High Middle High High High High High High Middle High High High High High High High High High
3 High Middle High High High High High High High High High High High High High High High High
4 High High High High High High High High High Middle High High Middle High Low Middle High High
5 High Middle High Middle High High Middle Middle High High High Middle High High Middle High High Middle
6 High High High High High High High High High High High High Middle High Middle High Middle High

Mode of Delivery

Face to Face

Prerequisites and Co-Requisites

None

Recommended Optional Programme Components

No

Course Contents

Elements of the hydrological cycle and their determination: precipitation, evaporation, transpiration, runoff, infiltration, stream hydrographs, hydrograph analysis, hydrologic budget; physical and hydraulic properties of aquifers: porosity, conductivity and storativity characteristics, aquifer types, water table, potentiometric surface maps; principles of groundwater flow: hydraulic head, Darcy’s Law, hydraulic gradient, relationship of groundwater flow direction to hydraulic gradient, tangent law, flow nets, groundwater flow equations in confined and unconfined aquifers under steady and transient flow conditions, solutions of groundwater flow equations; groundwater wells and well hydraulics: well drilling techniques and well design, pumping tests, determination of aquifer parameters, computing drawdown, determination of radius of influence, effects of hydrologic boundaries, computing well yield; regional groundwater flow: recharge and discharge regions, springs, relationship of groundwater to wetlands, lake or stream, geology of regional groundwater system; groundwater geology: alluvial aquifers, groundwater occurrence in sedimentary, magmatic and metamorphic rocks, groundwater in desert environments, coastal plain aquifers, fresh water to salt water relationship, tidal effects, important aquifer systems of Turkey; surface and subsurface exploration techniques, groundwater chemistry and quality; groundwater flow modeling; groundwater problems; groundwater laws.

Weekly Schedule

1) Introduction to hydrogeology, terminology, distribution of groundwater in subsurface, elements of hydrological cycle :precipitation, evaporation
2) Elements of hydrological cycle cont.: transpiration, infiltration and runoff, hydrological budget
3) Physical and hydraulic properties of aquifers: porosity, conductivity and storativity characteristics, aquifer types
4) Water table, preparation and interpretation of potentiometric maps
5) Principles of groundwater flow: hydraulic head, Darcy’s Law, hydraulic gradient, relationship of groundwater flow direction with hydraulic gradient
6) Flow nets, flow regimes, groundwater flow in confined and unconfined aquifers, steady and transient ground flow equations, and solutions for flow equations
7) Drilling techniques, design and construction of water wells, introduction to well hydraulics
8) Midterm examination/Assessment
9) Well hydraulics: determination of aquifer hydraulic parameters of confined and unconfined aquifer under steady flow conditions, Thiem equation, computing drawdown, Dupuit equation
10) Well hydraulics: determination of aquifer hydraulic parameters of confined and unconfined aquifer under transient flow conditions, Theis, Cooper-Jacop and Hantush solutions
11) Well hydraulics: determination of radius of influence, effects of hydrologic boundaries of pump-test data, determination of well yield
12) Regional groundwater flow: recharge and discharge regions, springs, relation of groundwater to lake, stream or wetlands, geology of regional groundwater flow systems
13) Geology of groundwater: alluvial aquifers, occurrence of groundwater in sedimentary, magmatic and metamorphic rocks, groundwater in desert, coastal plain aquifers, freshwater and saline water relationship, tidal effects, Important aquifer systems in Turkey
14) Subsurface exploration techniques: hydrogeological survey, geophysical techniques, fracture trace analysis , laws about groundwater
15) Groundwater chemistry, physical and chemical characteristics, major ion chemistry, presentation and interpretation of chemical data
16) Final examination

Recommended or Required Reading

1- Prof. Dr. Mehmet Ekmekçi Hidrojeoloji Ders Notları
2- Prof.Dr. İrfan Yolcubal Hidrojeoloji Ders Notları
3- Fetter, Applied Hydrogeology
4- Freeze ve Cherry, Groundwater

Planned Learning Activities and Teaching Methods

1) Lecture


Assessment Methods and Criteria

Contribution of Semester Studies to Course Grade

40%

 

Number

Percentage

Semester Studies

Midterm Examination

1

70%

Quiz

3

30%

 

Contribution of Final Examination to Course Grade

60%

Total

100%

Language of Instruction

Turkish

Work Placement(s)

Not Required