Parker, AH, West, LJ and Odling, NE (2019) Well flow and dilution measurements for characterization of vertical hydraulic conductivity structure of a carbonate aquifer. Quarterly Journal of Engineering Geology and Hydrogeology, 52. pp. 74-82. ISSN 1470-9236
Abstract
The paper aims to characterize vertical variations in horizontal hydraulic properties in a fractured carbonate aquifer, the Cretaceous Chalk in East Yorkshire, UK. Two approaches are used: an inverse model of well flow applied to flow logs of pumped open wells, and open well dilution testing. In this case study, transmissivity in the unconfined part of the aquifer is dominated by the highly permeable zone of water table fluctuation, where carbonate dissolution has occurred enhancing fracture aperture; a similar enhanced permeability zone is present at the top of the aquifer where it is confined beneath glacial deposits, although periglacial physical weathering during Quaternary cold periods, rather than carbonate dissolution, is responsible. The aquifer is also shown to contain deeper permeable horizons of stratigraphic origin, which are better developed in the unconfined section.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2018 The Author(s). Published by The Geological Society of London. All rights reserved. This is an author produced version of a paper accepted for publication in Quarterly Journal of Engineering Geology and Hydrogeology. Uploaded in accordance with the publisher's self-archiving policy. https://doi.org/10.1144/qjegh2016-145 |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Environment (Leeds) > School of Earth and Environment (Leeds) > Institute for Applied Geosciences (IAG) (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 18 Jul 2018 13:22 |
Last Modified: | 30 Jul 2019 00:39 |
Status: | Published |
Publisher: | Geological Society Publishing House |
Identification Number: | 10.1144/qjegh2016-145 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:133445 |