Details of ES2102 (Autumn 2020)

Level: 2 Type: Theory Credits: 4.0

Course CodeCourse NameInstructor(s)
ES2102 Hydrology and Geodynamics Prasanta Sanyal,
Sanjay Kumar Mandal

Preamble
This course focuses on subsurface flow and transport, emphasizing on the role of groundwater in the hydrologic cycle, the relation of groundwater flow in geologic structure, hydrochemistry, and the management of contaminated groundwater. Geomorphology part of this course deals with the study of earth surface processes and evolution of landforms.

Syllabus
Hydrology: Subsurface flow and transport, emphasizing on the role of groundwater in the hydrologic cycle, the relation of groundwater flow in geologic structure, hydrochemistry, and the management of contaminated groundwater.
References: Groundwater Hydrology, David Keith Todd
Geodynamics: Introduction, definitions, scope, brief overview of plate tectonics, heat budget of the earth, Urey number, BSE Urey number, insight into the rate of plate tectonic processes based on Urey number

Lithosphere - Oceanic lithosphere - its growth with time, the different lithospheres based on parameters used (Thermal Boundary Layer, Rigidity, elastic, Maxwell models, Rayleigh number),

Tools of geodynamic study - (i) Seismic -P, S and surface waves, Polarization, naming based on the travel paths like PKP, PKIKP etc, First motion solutions for fault, Beach balls, Earthquakes associated with the major types of plate boundaries. Moment magnitude measures for Earthquakes, (ii) Gravity - g, G, corrections and anomalies, Free Air, Bouguer. Compensation, Isostasy - Pratt and Airy models. Brief introduction to geoid, (iii) Paleomagnetism - Geocentric axial dipole model of earth magnetism, dipole moments and different kinds of magnetic substances - Paramagnetic, Diamagnetic, Ferromagnetic etc. Domains in single grains. Remanence - NRM, TRM, VRM, IRM etc. Vector model of superposed magnetisation and cleaning. Apparent and True polar wandering

Geometrical analysis of plate movements - In two-dimensions using vector solutions, Triple junctions, Evolution of San Andreas Fault in California. Rotation on a sphere - instantaneous and finite rotations

Driving mechanism of plate tectonics

Back arc spreading models, microplates with reference to Burma microplate and Andaman sea

Quick overview of large scale dynamics of the Himalaya (or the Andes)

References
References:
1. Global Tectonics, Keary, P., Klepeis, K. A., Vine, F. J., 2009, 3rd Edition, Blackwell
2. Tectonics, Moores, E. M., and Twiss, R. J., 1995, W.H. Freeman and Co.
3. Looking into the Earth, Mussett, A. E., and Khan, A. F., 2000, Cambridge University Press
4. Plate Tectonics: How it Works, Cox, A., and Hart, R. B., 1986, Blackwell
5. The Lithospere: A multidisciplinary approach, Artemieva, I. M., 2011, Cambridge University Press

Course Credit Options

Sl. No.ProgrammeSemester NoCourse Choice
1 IP 1 Not Allowed
2 IP 3 Elective
3 IP 5 Not Allowed
4 MR 1 Not Allowed
5 MR 3 Not Allowed
6 MS 3 Core
7 RS 1 Not Allowed
8 RS 2 Not Allowed