00000nam 2200000zi 4500 9.874393 CaOODSP 20241203113649 m o d f cr bn||||||||| 190606s1994 onca ob f000 0 eng d CaOODSP eng rda CaOODSP En13-5/95-11E-PDF Blowes, David, 1956- author. Preliminary interpretation of tracer experiments conducted in a discrete rock fracture under conditions of ambient flow / by K.S. Novakowski, P.A. Lapcevic, J. Voralek, and G. Bickerton. Burlington, Ontario : National Water Research Institute, 1994. 1 online resource (1 unnumbered page, 10 pages, 3 unnumbered pages) : illustrations. text txt rdacontent computer c rdamedia online resource cr rdacarrier [NWRI contribution] ; 95-11 "For submission to: Geophysical Research Letters." "Prepared Dec., 1994." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "The results and preliminary interpretation of two tracer experiments conducted under ambient flow conditions are presented. The experiments were conducted in a discrete fracture of horizontal orientation that pervades a shale and limestone formation at approximately 10 m depth. The transport of a conservative tracer was followed over a distance of as much as 40 m in a 27-borehole array. Observation of the pathways of tracer migration and interpretation of the transport process using a one-dimensional model showed that transverse dispersion and matrix diffusion are likely the predominant processes responsible for spreading and slowing the migration of the solute. Groundwater velocity measurements obtained from the tracer experiments are also compared to measurements obtained using point dilution methods"--Abstract. gccst Groundwater gccst Hydrology gccst Models Lapcevic, P. A., author. Voralek, John, author. Bickerton, Gregory S., author. Canada. Environment Canada. Canada. Water Science and Technology Directorate. National Water Research Institute (Canada) NWRI contribution ; 95-11. (CaOODSP)9.844121 PDF 1.42 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-95-11-eng.pdf