GEO 4010, GEO 8980 - Coupled heat 
and fluid flow in the Earth's crust
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COURSE INFORMATION
 
Lecture Classroom:
  Pillsbury Hall 105 (January - February); Pillsbury Hall 121 (March - May)
 
Lecture Meeting Time:
  03:30 P.M. - 05:30 P.M., Wednesdays
 
Instructor:
 
Instructor Office Phone Email Office Hours
Martin Saar 21 Pillsbury Hall 625-7332
saar@umn.edu any time
 
Textbook:
  Ingebritsen and Sanford, Groundwater in Geologic Processes, Cambridge University Press, 1998. (On 2-hour reserve in the Science Library)
 
Grading:
  This is a satisfactory (S) / not satisfactory (N) course only, so you will pass if you come to the seminar, present/summarize papers, and participate in discussions. We will all take turns in presenting/summarizing papers but everybody is required to read all papers. The first 5 sessions (in January + February) are lectures to introduce principles of coupled heat and fluid flow. These lectures are accompanied by readings of sections in the textbook as indicated below.
 
Course Description:
 

    In this 2-credit once-a-week seminar we will discuss principles of coupled heat and fluid flow in the Earth's crust and their applications to geologic processes. The seminar will consist of two parts. During the first few weeks I will introduce some basic principles of fluid and heat flow in porous and fractured media which will be accompanied by readings of chapters in textbooks. Thereafter we will read relevant classic and recent research papers covering both principles and applications of heat and fluid transfer. Depending on the participants' backgrounds and interests the topics may include: fundamentals of fluid flow in porous and fractured media; advection, diffusion, and dispersion of heat (as well as solutes, noble gases, and chemicals); multiphase fluid flow; geothermal and hydrothermal systems such as volcanoes and mid ocean ridges; hot springs; geothermal energy; using heat as natural groundwater flow tracers; and the effects of groundwater and heat on geologic processes such as faulting and seismicity.

 
Schedule:
 
 
Date Topics/Papers to be discussed that day Read For Next Week
Jan. 19 organizational meeting
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Jan. 26 Introduction to groundwater flow I: porosity, permeability, transmissivity, specific storage/yield, representative elementary volume, Darcy's law, effective stress Textbook: Sections 1.1 - 1.4
Feb. 2 Introduction to groundwater flow II: hydraulic head, groundwater flow equation, solving flow problems (analytical + numerical) Textbook: Section 1.5
Feb. 9 Solute transport: advection, diffusion, dispersion, governing equations, density-driven flow, numerical solutions Textbook: Sections: 2.1 - 2.4
Feb. 16 Heat transport I: governing equations, 1D models, dimensionless numbers, convection Textbook: Sections: 3.1.4, 3.3-3.6
Feb. 23 Heat transport II: regional scale heat transport, magmatic hydrothermal systems, hot springs, multiphase processes read papers for next week
Mar. 2
  • Bredehoeft, J.D., and I.S. Papadopulos, Rates of vertical Groundwater movement estimated from the Earth's thermal profile, Water Resources Res., 1:325-328, 1965. [Nino]
  • Sorey, M.L., Measurements of vertical groundwater velocity from temperature profiles in wells, Water Resources Res., 7:963-970, 1971. [Judy]
read papers for next week
Mar. 9
  • Smith, L., and D.S. Chapman, On the thermal effects of groundwater flow, 1. Regional scale systems, J. Geophys. Res., 88:593-608, 1983. [Lauren]
  • Forster, C., and L. Smith, The influence of groundwater flow on thermal regimes in mountainous terrain: a model study, J. Geophys. Res., 94:9439-9451, 1989. [Matt]
read papers for March 23
Mar. 16 no seminar: Spring Break read papers for next week
Mar. 23
  • Ingebritsen, S.E., and M.L. Sorey, A quantitative analysis of the Lasson hydrothermal system, North Central California, Water Resources Res., 21:853-868, 1985. [Cyril]
  • Ingebritsen, S.E., Sherrod, and Mariner, Rates and patterns of groundwater flow in the Cascades range volcanic arc, and the effect on subsurface temperatures, J. Geophys. Res., 97:4599-4627, 1992. [Dan]
  • Manga, M, Advective heat transport by low temperature discharge in the Oregon Cascades, Geology, 26:799-802, 1998. [Rajdeep]
read papers for next week
Mar. 30 read papers for next week
Apr. 6
  • Xiaohua, L., J.E. Smerdon, A.W. England, and H.N. Pollack, Amodel study of the effects of climatic precipitation changes on ground temperatures, J. Geophys. Res., 108, D7, 4230, doi:10.1029/2002JD002878, 2003.[Matt]
  • Mansure, A.J., and M. Reiter, A vertical groundwater movement correction for heat flow, J. Geophys. Res. 84, no.B7, 3490-3496, 1979.
read papers for Apr. 20
Apr. 13 no seminar: Martin gives talk in Colorado read papers for next week
Apr. 20
  • Woodbury, A.D., and L. Smith, On the thermal effects of three-dimensional groundwater flow, J. Geophys. Res. 90, B1, 759-767, 1985.
read papers for next week
Apr. 27
  • Clauser, C., E, Griesshaber, and H.J. Neugebauer, Decoupled thermal and mantle helium anomalies: Implications for the transport regime in continental rift zones, J. Geophys. Res., 107, B11, 2269, doi:10.1029/2001JB000675, 2002.
  • Saar, M.O., and M. Manga, Depth dependence of permeability in the Oregon Cascades inferred from hydrogeologic, thermal, seismic, and magmatic constraints, J. Geophys. Res., 109, B04204, doi:10.1029/2003JB002855, 2004.
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    May 4 no seminar: Martin gives talk at SAFL
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