Introduction to groundwater and flow through porous media. Darcy’s Law. Mathematical formulation of problems of flow through porous media. Analytical solutions for 1-D aquifers, confined, phreatic or leaky. Hydraulics of wells for steady and unsteady flow, multiple well systems, method of images, wells near boundaries. Subsoil and aquifer pollution. Geo-environmental pollution and soil. Physicochemical and biological pollutant-soil-water interaction processes. Contaminant speciation, contaminant fate and transport in the underground environment. Decontamination and remediation technologies in the geo-environment. Case studies.
Basic knowledge in fluid mechanics and applied hydraulics is recommended.
|| Basic properties of groundwater aquifers. Groundwater balance. Darcy’s Law.
|| Flow equations
|| Fundamental equations of a 3-D steady flow problem. Boundary conditions. Flow nets.
|| Hydraulic approach
|| Dupuit assumptions for a phreatic aquifer. Analytical solutions for 1-D confined and unconfined aquifers. Aquifers with a sloping bottom. Seepage through earth dams, Pavlosky’s solution. Semi-permeable aquifers.
|| Application of complex functions theory in groundwater problems
|| Synoptic presentation of complex functions theory and of conformal mapping. Groundwater flow under impermeable structures. Kozeny’s solution. Method of fragments.
|| Unsteady flow
|| Unsteady flow: Basic definitions, equations formulation.
|| Hydraulics of wells
|| Wells in steady and unsteady flow. Multiple well systems, wells near boundaries. Pumping tests.
|| Geoenvironmental pollution
|| Subsoil and aquifer pollution. Origin, categorization and legal-institutional context of pollution.
|| Fate and transport
|| Role of soil as a source of pollution and as a natural decontamination filter. Physicochemical and biological pollutant-soil-water interaction processes. Contaminant speciation, contaminant fate and transport in the underground environment.
|| Remediation technologies
|| Decontamination and remediation technologies in the geo environment. Case studies of geo-environmental pollution and restoration.
| Teaching methods
Class lectures. Presentation and solution of simple examples and problems. Elaboration on complicated cases and case-studies.
| Teaching media
Blackboard and power-point presentations.
| Problems - Applications
Final written exam: 70%
Problems - Applications: 30%
Textbooks - Bibliography
- J. Bear, "Hydraulics of Groundwater", Mcgraw-Hill, New York, 1979
- R.A. Freeze and J.A. Cherry, "Groundwater", Prentice-Hall, Inc., 1979
- Herman Bouwer, "Groundwater Hydrology", Mc Graw-Hill Book Company, 1978
- P.A. Domenico and F.W. Schwartz, “Physical and Chemical Hydrogeology”, John Wiley and Sons, 1990
- Α. Νάνου-Γιάνναρου - Τ. Παπαθανασιάδης "ΥΔΡΑΥΛΙΚΗ ΥΠΟΓΕΙΩΝ ΝΕΡΩΝ", Έκδοση ΕΜΠ
- Σημειώσεις Δ. Δερματά
Lecture Time - Place:
- Thursday, 08:45 – 11:30,