00000nam 2200000zi 4500 9.876942 CaOODSP 20241203113650 m o d f cr ||||||||||| 190724e199011##oncad #ob f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn-on En13-5/90-96E-PDF Lapcevic, P. A., author. The characterization of two discrete horizontal fractures in shale / by P.A. Lapcevic, K.S. Novakowski and J.A. Cherry. Burlington, Ontario : Canada Centre for Inland Waters, National Water Research Institute ; Waterloo, Ontario : University of Waterloo, Waterloo Centre for Groundwater Research, November 1990. 1 online resource (11 pages) : illustrations, graphs. text txt rdacontent computer c rdamedia online resource cr rdacarrier NWRI contribution ; 90-96 "RRB 90-68." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages 9-11). "Leachates originating from landfills land industrial sites in Southern Ontario can contaminate water supplies by groundwater migration through fractures within shale bedrock. Flow and mass transport through fractures has traditionally been characterized using the parallel plate model whereby the fracture walls are approximated by parallel plates which are separated by a uniform opening. Previous studies have shown that even within relatively small areas, fractures have a much more complex geometry which must be accounted for when estimating groundwater velocity and contaminant transport. The purpose of this study is to examine in detail the nature of two single fractures within the shale in order to provide a more realistic conceptual model of flow and transport"--Abstract. Includes abstract and management perspective in English and French. gccst Groundwater gccst Sedimentary rocks gccst Models Novakowski, Kent S., author. Cherry, J. A., author. Canada. Environment Canada. Canada Centre for Inland Waters. Waterloo Centre for Groundwater Research‏. National Water Research Institute (Canada) NWRI contribution ; 90-96. (CaOODSP)9.844121 PDF 1.73 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-90-96-eng.pdf