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| CEV5160 | Environmental Geochemistry | 3+0+0 | ECTS:7.5 | | Year / Semester | Fall Semester | | Level of Course | Second Cycle | | Status | Elective | | Department | DEPARTMENT of ENVIRONMENTAL SCIENCES | | Prerequisites and co-requisites | None | | Mode of Delivery | | | Contact Hours | 14 weeks - 3 hours of lectures per week | | Lecturer | Prof. Dr. Gülten YAYLALI ABANUZ | | Co-Lecturer | None | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | aims to provide students the necessary information to gain a better understanding of geochemical processes, with a special emphasis on environmental issues, to teach them why geochemistry is important in providing a clean environment, and to make them aware of the seriousness of geochemical sampling. |
| Programme Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | PO - 1 : | make all kinds of stability calculations | 1 - 2 - 3 | 1,3, | | PO - 2 : | comprehend the relevance of geochemistry to understanding and providing for human needs, and to impacts on society and planet Earth | 1 - 2 - 3 | 1,3, | | PO - 3 : | Determine the effects of mine sites and design methods of counteracting such effects | 1 - 2 - 3 | 1,3, | | PO - 4 : | summarise the ways of forming a more liveable earth for human beings | 1 - 2 - 3 | 1,3, | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), PO : Learning Outcome | | |
| Thermochemical principles: Basic definitions, Equilibrium calculations, Effect of changes in temperature and pressure on equilibrium constants. Hydration-dehydration reactions and their significance in pollutionCarbonation and decarbonation reactionsOxidation and sulphidation reactionsMineral precipitation / dissolution reactionsWater-rock interactionComparison of physical and chemical weathering |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Introduction to Environmental Science and Environmental geochemistry; Global Environmental systems: the hydrologic and elemental cycles. Motions of the atmosphere and hydrosphere | | | Week 2 | Groundwater and air pollution: Arsenic and selenium, abundance and forms in natural environment, pathways and behavior of As and Se | | | Week 3 | Geochemistry of mercury in the environment: Sources of Hg, atmospheric cycling and chemistry of Hg, aquatic biogeochemistry of Hg, removal of Hg from the surficial cycle | | | Week 4 | Groundwater geochemistry of waste disposal sites: source and leachate composition, spreading of pollutants in the graoundwater, biogeochemistry of landfill leachates, environmental restoration | | | Week 5 | Groundwater and air pollution: Heavy metals in the environment, occurrence, speciation and phase associations, atmospheric emissions of metals and geochemical cycles, historical metal trends reconstructed from sediment cores | | | Week 6 | Geochemistry of acid mine drainage: Mineralogy of ore deposits, sulphide oxidation and generation of oxidation products, acid neutralization mechanisms at mine sites | | | Week 7 | Geochemistry of acid mine drainage:Geochemistry and mineralogy of secondary minerals, acid mine drainage in mines and mine wastes, bioaccumulation and toxicity of oxidation products | | | Week 8 | Fe-S geochemistry: Stability constants of aqueous complexesEh-pH diagrams, acid-mine waters | | | Week 9 | Mid-term exam | | | Week 10 | Geochemistry of acid mine drainage: Approaches for remediation and prevention | | | Week 11 | Environmental geochemistry of radioactive contamination: Hazards of radionuclides | | | Week 12 | Environmental geochemistry of radioactive contamination: U and other actinides, dealing with radionuclide contamination in the environment | | | Week 13 | Medical geochemistry: Earth material linked to human health, health effects of earth materials, exposure pathways, absorption, biodistribution, metabolism and detoxification of potential toxins, chemical conditions of the human body | | | Week 14 | Medical geochemistry:Methods to assess the interactions of earth materials human body, medical geochemistry of biodurable earth materials, medical geochemistry of readily soluble and bioreactive components | | | Week 15 | Acidificaion and acid rain: Long term acidification, Short term acidification, effects of climate on acidification, remediation of acidity, chemical modeling of acidification | | | Week 16 | End-of-term exam | | | |
| 1 | Lollar, B.S., 2005; Environmental Geochemistry. Treatise on Geochemistry volume 9, Elsevier | | | 2 | Langmuir, D., 1997. Aqueous Environmental Geochemistry. Prentice Hall, New Jersey | | | 3 | Deutsch, W. J., Groundwater Geochemistry: Fundamentals and Applications to Contamination | | | 4 | Bowie, S.H. and Thornton, I., 2000; Environmental Geochemistry And Health. Springer | | | |
| 1 | Selected papers related to subject being studied | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | | 2 | 30 | | Practice | 10 | | 5 | 5 | | Presentation | 3
5
7
12
15 | | 75 | 5 | | Homework/Assignment/Term-paper | 9
10
12
14 | | 48 | 10 | | End-of-term exam | 16 | | 2 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Arasınav için hazırlık | 10 | 1 | 10 | | Arasınav | 2 | 1 | 2 | | Uygulama | 5 | 1 | 5 | | Ödev | 12 | 4 | 48 | | Proje | 15 | 5 | 75 | | Dönem sonu sınavı için hazırlık | 15 | 1 | 15 | | Dönem sonu sınavı | 3 | 1 | 3 | | Total work load | | | 200 |
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