Analytical Modeling of Flow and Transport in Aquifers
Efficient management of ground-water aquifers and geothermal reservoirs requires accurate estimates of the hydraulic properties of water-bearing formations. These are needed to predict water- level changes, aquifer storage capacity, and the rate of movement of chemical species or thermal energy. Analytical models, properly applied, can often be used to estimate the hydraulic and transport properties of complex aquifer systems. This project's objective is to obtain analytical solutions to specific problems of flow and transport in water- bearing formations that can be used for evaluating the hydraulic and transport properties of aquifers and geothermal reservoirs.
REPORTS PUBLISHED 2002-2006
Barlow, P.M., and Moench, A.F., 2011, WTAQ version 2A computer program for analysis of aquifer tests in confined and water-table aquifers with alternative representations of drainage from the unsaturated zone: U.S. Geological Survey Techniques and Methods 3-B9, 41 p. (on-line abstract or on-line report in pdf format, 1.39 MB)
Moench, A.F. 2010. Comment on "Analysis of pumping test data for determining unconfined aquifer parameters: Composite analysis or not??: paper published in Hydrogeology Journal (2009) 17:1133-1147, by Hund-Der Yeh and Yen-Chen Huang" Hydrogeology Journal, v. 2010, no. 18, p. 1975-1977, DOI: 10.1007/s10040-010-0660-7.
Moench, A.F., 2008, Analytical and numerical analyses of an unconfined aquifer test considering unsaturated zone characteristics: Water Resources Research, v. 44, W06409, doi:10.1029/2006WR005736. (on-line abstract or on-line article in pdf format, 1234 KB, published by the American Geopysical Union, not subject to U.S. copyright)
Moench, A.F., 2004, Importance of the vadose zone in analyses of unconfined Aquifer tests: Ground Water, v. 42, no. 2, p. 223-233. (on-line abstract)
Moench, A.F., 2004, Comment on "Aquifer parameter identification using the extended Kalman filter" by C.H. Leng and H.D. Yeh: Water Resources Research, v. 40, no. 4.
Ge, S., Bekins, B.A., Bredehoeft, J., Brown, K., Davis, E.E., Gorelick, S.M., Henry, P., Kooi, H., Moench, A.F., Ruppel, C., Sauter, M., Screaton, E., Swart, P.K., Tokunaga, T., Voss, C.I., and Whitaker, F., 2003, Fluid flow in sub-sea floor processes and future ocean drilling: EOS Transactions American Geophysical Union, v. 84, p. 145, 151-152.
Moench, A.F., 2003, Estimation of hectare-scale soil-moisture characteristics from aquifer-test data: Journal of Hydrology, v. 281, p. 82-95. (on-line abstract)
Ge, S., Bekins, B.A., Bredehoeft, J., Brown, K., Davis, E.E., Gorelick, S.M., Henry, P., Kooi, H., Moench, A.F., Ruppel, C., Sauter, M., Screaton, E., Swart, P.K., Tokunaga, T., Voss, C.I., and Whitaker, F., 2002, Hydrogeology program planning group final report: JOIDES Journal, v. 28, no. 2, p. 24-29. (on-line journal with article - pdf format)
For information on additional projects in the National Research Program, see Indexes to NRP projects and bibliographies