A field proof-of-concept of tomographic slug tests in an anisotropic littoral aquifer

作者: Daniel Paradis , Erwan Gloaguen , René Lefebvre , Bernard Giroux

DOI: 10.1016/J.JHYDROL.2016.02.041

关键词:

摘要: Hydraulic tomography is increasingly recognized as a characterization approach that can image pathways or barriers to flow well their connectivity. In this study, we assess the performance of transient analysis tomographic slug test head data in estimating heterogeneity horizontal hydraulic conductivity (Kh), anisotropy (the ratio between vertical and – Kv/Kh) specific storage (Ss) under actual field conditions. The experiment was carried out two wells moderately heterogeneous highly anisotropic silt sand littoral aquifer. proof-of-concept, inversion two-dimensional (2D) dataset computed with 2D radial algorithm considers Kh, Kv/Kh, Ss wellbore effects. This study demonstrated tests able capture key features environment test: profiles Kh Kv are indeed agreement those from other laboratory tests, values exhibit physically plausible profiles. Furthermore, simulation independent inter-well (slug pumping screened over entire aquifer) using resolved Kv/Kh tomograms produce responses very close observations. demonstrates effects fine scale induces K-anisotropy at larger scales be captured through which difficult quantify otherwise conventional thus allowing better representation properties controlling transport aquifer systems.

参考文章(68)
M. Cardiff, W. Barrash, 3-D Transient Hydraulic Tomography in Unconfined Aquifers with Fast Drainage Response Water Resources Research. ,vol. 47, ,(2011) , 10.1029/2010WR010367
Geoffrey C. Bohling, James J. Butler, Xiaoyong Zhan, Michael D. Knoll, A field assessment of the value of steady shape hydraulic tomography for characterization of aquifer heterogeneities Water Resources Research. ,vol. 43, ,(2007) , 10.1029/2006WR004932
Daniel Paradis, Erwan Gloaguen, René Lefebvre, Bernard Giroux, Resolution analysis of tomographic slug test head data: Two‐dimensional radial case Water Resources Research. ,vol. 51, pp. 2356- 2376 ,(2015) , 10.1002/2013WR014785
Geoffrey C. Bohling, Sensitivity and resolution of tomographic pumping tests in an alluvial aquifer Water Resources Research. ,vol. 45, ,(2009) , 10.1029/2008WR007249
Lynn W. Gelhar, Stephen P. Garabedian, Warren W. Wood, Kathryn M. Hess, Denis R. Leblanc, Cape Cod, Richard D. Quadri, Kenneth G. Stollenwerk, Large-Scale Natural Gradient Tracer Test in Sand and Gravel, ,(1991)
M. Cardiff, T. Bakhos, P. K. Kitanidis, W. Barrash, Aquifer Heterogeneity Characterization with Oscillatory Pumping: Sensitivity Analysis and Imaging Potential Water Resources Research. ,vol. 49, pp. 5395- 5410 ,(2013) , 10.1002/WRCR.20356
Brian Borchers, Richard C. Aster, Clifford H. Thurber, Parameter estimation and inverse problems ,(2005)
R. Brauchler, R. Hu, L. Hu, S. Jiménez, P. Bayer, P. Dietrich, T. Ptak, Rapid field application of hydraulic tomography for resolving aquifer heterogeneity in unconsolidated sediments Water Resources Research. ,vol. 49, pp. 2013- 2024 ,(2013) , 10.1002/WRCR.20181
Ronglin Sun, Tian‐Chyi Jim Yeh, Deqiang Mao, Menggui Jin, Wenxi Lu, Yonghong Hao, None, A temporal sampling strategy for hydraulic tomography analysis Water Resources Research. ,vol. 49, pp. 3881- 3896 ,(2013) , 10.1002/WRCR.20337
Walter A. Illman, Xiaoyi Liu, Shinji Takeuchi, Tian-Chyi Jim Yeh, Kenichi Ando, Hiromitsu Saegusa, Hydraulic tomography in fractured granite: Mizunami Underground Research site, Japan Water Resources Research. ,vol. 45, ,(2009) , 10.1029/2007WR006715