Basin-scale transmissivity and storativity estimation using hydraulic tomography

Kristopher L. Kuhlman, Andrew C. Hinnell, Phoolendra K. Mishra, Tian-Chyi J Yeh

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

While tomographic inversion has been successfully applied to laboratory- and field-scale tests, here we address the new issue of scale that arises when extending the method to a basin. Specifically, we apply the hydraulic tomography (HT) concept to jointly interpret four multiwell aquifer tests in a synthetic basin to illustrate the superiority of this approach to a more traditional Theis analysis of the same tests. Transmissivity and storativity are estimated for each element of a regional numerical model using the geostatistically based sequential successive linear estimator (SSLE) inverse solution method. We find that HT inversion is an effective strategy for incorporating data from potentially disparate aquifer tests into a basin-wide aquifer property estimate. The robustness of the SSLE algorithm is investigated by considering the effects of noisy observations, changing the variance of the true aquifer parameters, and supplying incorrect initial and boundary conditions to the inverse model. Ground water flow velocities and total confined storage are used as metrics to compare true and estimated parameter fields; they quantify the effectiveness of HT and SSLE compared to a Theis solution methodology. We discuss alternative software that can be used for implementing tomography inversion.

Original languageEnglish (US)
Pages (from-to)706-715
Number of pages10
JournalGround Water
Volume46
Issue number5
DOIs
StatePublished - Sep 2008

Fingerprint

transmissivity
Aquifers
tomography
Tomography
Hydraulics
aquifer
hydraulics
basin
Groundwater flow
Flow velocity
flow velocity
groundwater flow
Numerical models
boundary condition
Boundary conditions
software
methodology
test
inversion
method

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)
  • Water Science and Technology

Cite this

Basin-scale transmissivity and storativity estimation using hydraulic tomography. / Kuhlman, Kristopher L.; Hinnell, Andrew C.; Mishra, Phoolendra K.; Yeh, Tian-Chyi J.

In: Ground Water, Vol. 46, No. 5, 09.2008, p. 706-715.

Research output: Contribution to journalArticle

Kuhlman, Kristopher L. ; Hinnell, Andrew C. ; Mishra, Phoolendra K. ; Yeh, Tian-Chyi J. / Basin-scale transmissivity and storativity estimation using hydraulic tomography. In: Ground Water. 2008 ; Vol. 46, No. 5. pp. 706-715.
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