Relevant bibliographies by topics / Aquitard

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Aquitard'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 January 2023

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Journal articles on the topic "Aquitard"

1

Wang, Quanrong, Junxia Wang, Hongbin Zhan, and Wenguang Shi. "New model of reactive transport in a single-well push–pull test with aquitard effect and wellbore storage." Hydrology and Earth System Sciences 24, no. 8 (August 18, 2020): 3983–4000. http://dx.doi.org/10.5194/hess-24-3983-2020.

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Abstract. The model of single-well push–pull (SWPP) test has been widely used to investigate reactive radial dispersion in remediation or parameter estimation of in situ aquifers. Previous analytical solutions only focused on a completely isolated aquifer for the SWPP test, excluding any influence of aquitards bounding the tested aquifer, and ignored the wellbore storage of the chaser and rest phases in the SWPP test. Such simplification might be questionable in field applications when test durations are relatively long because solute transport in or out of the bounding aquitards is inevitable
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Shaw, R. Joel, and M. Jim Hendry. "Hydrogeology of a thick clay till and Cretaceous clay sequence, Saskatchewan, Canada." Canadian Geotechnical Journal 35, no. 6 (December 1, 1998): 1041–52. http://dx.doi.org/10.1139/t98-060.

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Clay-rich glacial till and Cretaceous clay are common throughout the Interior Plains of North America. Quantifying groundwater flow through these aquitards has implications for solute transport in aquitards and protection of underlying aquifers. Groundwater flow through a two-tiered aquitard system was investigated using laboratory and field methods at a test site in Saskatchewan, Canada. The aquitard system consists of 80 m of uniform, plastic clay-rich Battleford till (deposited 12-18 ka BP) disconformably overlying 77 m of late Cretaceous plastic marine clay (Snakebite Member, deposited 70-
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Trieu, Duc Huy, Ngoc Thanh Tong, Van Lam Nguyen, Ba Quyen Pham, Dai Phuc Hoang, and Hoai Thu Trinh. "Classification of hydrogeological structure along the Red River in the Hanoi area." Tạp chí Khoa học và Công nghệ Biển 21, no. 3 (September 30, 2021): 299–310. http://dx.doi.org/10.15625/1859-3097/16431.

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Hanoi city has abundant groundwater, supplemented by the surface water (mainly Red River) all year round, and the extensive shallow aquifers, which are easily exploited by large-diameter wells. There always exists some open hydrogeological windows in the Red River area with an open structure; therefore, the groundwater has a strained hydraulic relationship with the Red River water system Along the Red River from Ba Vi to the end of Phu Xuyen district, there are nine regions with three types and four sub-types of different hydrogeological structures. In particular, the sub-type I-A of the groun
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Murray, Titus A., and William L. Power. "A framework for inclusion of faults in coal seam gas risk assessments." APPEA Journal 61, no. 2 (2021): 695. http://dx.doi.org/10.1071/aj20066.

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Assessments for coal seam gas (CSG) projects may be required to consider the potential hydrological impacts of faults on surface and near-surface groundwater assets. This study presents three distinct end-member geological scenarios and outlines methods for characterising fault-related groundwater flow within a risk assessment context. Scenario 1: a regional aquitard isolates the water assets from the coal seams. There is little risk of leakage across the aquitard because there are no faults, or because the faults have maximum displacements less than the thickness of the aquitard. Scenario 2:
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Burbey, Thomas J. "Parameter estimation of a multiple aquifer-aquitard system from a single extensometer record: Las Vegas, Nevada, USA." Proceedings of the International Association of Hydrological Sciences 382 (April 22, 2020): 51–56. http://dx.doi.org/10.5194/piahs-382-51-2020.

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Abstract. The purpose of this investigation is to develop a semi-analytical procedure for quantifying aquifer and aquitard properties from a single extensometer record in lieu of the time-consuming development of more complex numerical models to quantify and constrain these parameter values. Despite a limited 12-year record and the fact that water levels both decline and increase on an annual basis, estimates of both aquifer and aquitard parameters have been reasonably estimated at the Lorenzi extensometer site in Las Vegas Valley, Nevada when compared to the estimates developed numerically. T
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Chuang, M. H., C. S. Huang, G. H. Li, and H. D. Yeh. "Groundwater fluctuations in heterogeneous coastal leaky aquifer systems." Hydrology and Earth System Sciences Discussions 7, no. 4 (July 9, 2010): 4473–99. http://dx.doi.org/10.5194/hessd-7-4473-2010.

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Abstract. In the past, the coastal leaky aquifer system, including an unconfined aquifer on the top, a confined aquifer at the bottom, and an aquitard in between, was commonly assumed to be homogeneous and of an infinite extent in the horizontal direction. The leaky aquifer system may however be nonhomogeneous and of a finite extent due to variations in depositional and post depositional processes. Thus, in the paper, the leaky aquifer system is divided into several horizontal regions for simulating the heterogeneity involved in both the confined aquifer and aquitard. A one-dimensional analyti
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Burt, Abigail. "Three-dimensional hydrostratigraphy of the Orangeville Moraine area, southwestern Ontario, Canada." Canadian Journal of Earth Sciences 55, no. 7 (July 2018): 802–28. http://dx.doi.org/10.1139/cjes-2017-0077.

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Regional-scale three-dimensional modelling of Quaternary sediments in the Orangeville Moraine area of southwestern Ontario has been completed as part of the Ontario Geological Survey groundwater initiative and provides an improved understanding of the glacial history and conceptual hydrostratigraphic framework for that region. Older (Marine Isotope Stage (MIS) 3–5) diamicton, glaciolacustrine, glaciofluvial, and rare nonglacial deposits forming regional aquitards and local aquifers are found in the northwestern part of the area. Catfish Creek Till, deposited during the Last Glacial Maximum (LG
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Chuang, M. H., C. S. Huang, G. H. Li, and H. D. Yeh. "Groundwater fluctuations in heterogeneous coastal leaky aquifer systems." Hydrology and Earth System Sciences 14, no. 10 (October 11, 2010): 1819–26. http://dx.doi.org/10.5194/hess-14-1819-2010.

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Abstract. In the past, the coastal leaky aquifer system, including two aquifers and an aquitard between them, was commonly assumed to be homogeneous and of infinite extent in the horizontal direction. The leaky aquifer system may however be heterogeneous and of finite extent due to variations in depositional and post depositional processes. In this paper, the leaky aquifer system is divided into several horizontal regions for the heterogeneous aquitard and underlying aquifer. A one-dimensional analytical model is developed for describing the head fluctuation in such a heterogeneous leaky aquif
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Burbey, Thomas J. "Extensometer forensics: what can the data really tell us?" Hydrogeology Journal 28, no. 2 (December 7, 2019): 637–55. http://dx.doi.org/10.1007/s10040-019-02060-6.

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AbstractExtensometer data have an advantage over satellite-based data for monitoring land subsidence in that extensometer data provide continuous measurements (hourly or better temporal resolution) at very high precision (several tens of microns) over a known depth interval; the latter is important for isolating groundwater pumping from other causes of land subsidence attributed to tectonics or eustatic adjustments in the Earth’s crust. This investigation aims to identify a semi-analytical procedure for quantifying aquifer and aquitard properties from a single extensometer record in lieu of th
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Husain, Muin M., John A. Cherry, Scott Fidler, and Shaun K. Frape. "On the long-term hydraulic gradient in the thick clayey aquitard in the Sarnia region, Ontario." Canadian Geotechnical Journal 35, no. 6 (December 1, 1998): 986–1003. http://dx.doi.org/10.1139/t98-057.

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Much of the southwestern part of Ontario between Lake Huron and Lake Erie has a thin freshwater aquifer overlain by an aquitard of Late Pleistocene clayey glaciolacustrine deposits and underlain by a thick Devonian shale aquitard. In a large area east of the St. Clair River, where the Quaternary aquitard is 30-50 m thick, groundwater of Pleistocene origin (identified by 18O and 2H signature) occurs in the aquifer and in the bottom part of the Quaternary aquitard. Numerous piezometer nests in the aquitard show a downward hydraulic gradient with depth. In some areas, the aquitard has downward gr
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Dissertations / Theses on the topic "Aquitard"

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Rashtchi, Ramina. "Assessing Aquitard Integrity: the Newmarket Till (Southern Ontario)." Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/40439.

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The Newmarket Till is a regional aquitard in southern Ontario that overlies the Illinoian to Middle Wisconsinan Lower Sediments and is overlain by the Oak Ridges Moraine (ORM). Geological investigations have mapped the distribution of the till and it is understood that erosional channels, subsequently infilled with fluvial material, breach the till and may create enhanced hydraulic connection between overlying and underlying aquifers. However, little is known about the protective capability of the Newmarket Till where it is intact. This study used natural tracers to assess the extent of transp
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Sun, Dongmin. "Aquitard control of stream-aquifer interaction and flow to a horizontal well in coastal aquifers." Diss., Texas A&M University, 2005. http://hdl.handle.net/1969.1/4740.

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This dissertation is composed of three parts of major contributions: In Chapter II, we developed a new conceptual model and derived a new semi-analytical model for flow to a horizontal well beneath a water reservoir. Instead of treating the leakage from aquitard as a source term inside the aquifer which is called Hantush’s assumption (1964), we linked flows in aquitard and aquifer by the idea of continuity of flux and drawdown. The result in this chapter is compared with that of Zhan and Park in 2003 which Hantush’s assumption is adopted at various hydraulic and well configurations.
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Bian, Aiguo. "On the solute transport in an aquifer-aquitard system." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1319.

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Gerber, Richard. "Hydrogeologic behaviour of the Northern till aquitard near Toronto, Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0016/NQ41156.pdf.

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White, Rachel A. "Organic contaminant transport through a thin clay aquitard influenced by palaeo-heterogeneities." Thesis, University of Birmingham, 2007. http://etheses.bham.ac.uk//id/eprint/104/.

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Processes controlling the transport of dissolved-phase organic solutes through clay aquitards have been investigated. The study was centred upon a former UK industrial facility at which dissolved-phase aromatic solutes contaminated, and in areas penetrated, a discrete clay bed underlying the site. The lacustrine clay stratum (1-2 m thick) at 6 m bgs located in a sand aquifer was cored in 13 locations and intensively sampled with depth (primarily benzene, ethylbenzene, toluene and styrene). Two types of hydrocarbon invasion profiles were identified; (i) diffusion-based invasion and (ii) advecti
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Timms, Wendy Amanda Civil &amp Environmental Engineering Faculty of Engineering UNSW. "The importance of aquitard windows in the development of alluvial groundwater systems : Lower Murrumbidgee, Australia." Awarded by:University of New South Wales. School of Civil and Environmental Engineering, 2001. http://handle.unsw.edu.au/1959.4/18671.

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Variable groundwater quality in complex aquifer-aquitard systems presents a challenge for sustainable groundwater development. In the Lower Murrumbidgee alluvial fan of the Murray-Darling Basin in semi arid inland Australia, shallow groundwater is saline (12000 &micro S/cm) and locally contaminated by nitrate. Deep fresh aquifers (150 &micro S/cm), developed as an irrigation water supply, were thought to be protected from downwards leakage by laterally extensive aquitards. However, hydrochemical sampling, augmented by historic data, revealed that aquifer salinisation (400 to 4000 &micro S/cm)
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Wang, Ya, and 王亚. "Isotopic and hydrogeochemical studies of the coast aquifer-aquitard system in the Pearl River Delta, China." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46593597.

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Liu, Kun, and 刘琨. "Geochemical and geomicrobiological studies of the ammonium-rich aquifer-aquitard system in the Pearl River Delta, China." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/196494.

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An aquitard is not only a confining layer in the aquifer-aquitard system, but also a functional complex for nutrient reservation and microorganism inhabitation. Geochemical characteristics and geomicrobial processes in aquitards play an important role in groundwater quality, and should be well studied. The Pearl River Delta is dominated by clay-rich aquitards and was intensively influenced by Holocene transgression. In this thesis, the aquifer-aquitard system in the PRD was studied from various perspectives including geophysics, geochemistry and geomicrobiology. Sediment and groundwater sample
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Cabaret, Olivier. "Caractérisation physique et approche numérique du rôle des aquitards dans les systèmes aquifères multicouches - Application au complexe tertiaire nord-aquitain." Phd thesis, Université Michel de Montaigne - Bordeaux III, 2011. http://tel.archives-ouvertes.fr/tel-00626915.

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L'élaboration de modèles hydrodynamiques à des fins de gestion rationnelle des aquifères et des prélèvements à une échelle régionale nécessite la connaissance du fonctionnement hydrodynamique des aquitards.La caractérisation de ces formations semi-perméables implique de déterminer leurs propriétés géologiques, hydrodynamiques et leur degré d'hétérogénéité. La région de Bordeaux, soumise à d'importants prélèvements, sert ici de support d'étude pour appréhender le rôle des aquitards dans le fonctionnement hydrodynamique d'un multicouche complexe. La caractérisation de ces formations semi-perméab
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Li, Yanhua, and Yanhua Li. "Numerical evaluation of analytical solution for a 5-layer aquifer -aquitard system with application to the Oxnard Basin in California." Thesis, The University of Arizona, 2006. http://hdl.handle.net/10150/626928.

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In nature, a pumping aquifer is not an independent hydrological unit. The confining beds typically have some permeability rendering the aquifer leaky or slight leaky. Together they make up a multi-aquifer system. This work is an attempt to investigate transient fluid flow to a well in a 5-layer system based on former work of Neumann (1968). The latter author developed an analytical solution for drawdown in a five-layer system with three aquifers separated by two aquitards, and a well of infinitesimal radius completely penetrates one aquifer and discharges at a constant rate. Nume
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Books on the topic "Aquitard"

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Bradbury, K. R. Contaminant transport through aquitards: Technical guidance for aquitard assessment. Denver, Colo: Awwa Research Foundation, 2006.

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Kayane, Isamu. Four-dimensional response of the aquifer and aquitard system in Tokyo to groundwater withdrawal and regulation. Tsukuba, Japan: Environmental Research Center, the University of Tsukuba, 1993.

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Kayane, Isamu. Four-dimensional response of the aquifer and aquitard system in Tokyo to groundwater withdrawal and regulation. Tsukuba, Japan: Environmental Research Center, the University of Tsukuba, 1993.

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Sesto, Prete, and Desgraves Louis, eds. Ausone, humaniste aquitain. Bordeaux: Société des bibliophiles de Guyenne, 1986.

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Jornadas Euskadi-Aquitania ( 1997 Bilbao, Spain). La construcción del espacio vasco-aquitano. Edited by Borja Antón, Letamendia Francisco 1944-, and Sodupe Kepa. [Bilbao]: Universidad del País Vasco, 1998.

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Pavelko, Michael T. Estimates of hydraulic properties from a one-dimensional numerical model of vertical aquifer-system deformation, Lorenzi site, Las Vegas, Nevada. Carson City, Nev: U.S. Dept. of the Interior, U.S. Geological Survey, 2004.

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Pavelko, Michael T. Estimates of hydraulic properties from a one-dimensional numerical model of vertical aquifer-system deformation, Lorenzi site, Las Vegas, Nevada. Carson City, Nev: U.S. Dept. of the Interior, U.S. Geological Survey, 2004.

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Clus-Auby, Christine. La gestion de l'érosion des côtes: L'exemple aquitain. Pessac: Presses universitaires de Bordeaux, 2003.

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Beech, George. Le Conventum (vers 1030): Un précurseur aquitain des premières épopées. Genève: Libr. Droz, 1995.

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Glück, Denise. Dictionnaire du mobilier sud-aquitain: Gers, Hautes-Pyrénées, Landes, Pyrénées-Atlantiques. Paris: Editions Bonneton, 1995.

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Book chapters on the topic "Aquitard"

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Guerra, Maurizio. "Aquitard." In Selective Neck Dissection for Oral Cancer, 1–2. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-12127-7_18-1.

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Guerra, Maurizio. "Aquitard." In Encyclopedia of Earth Sciences Series, 27–28. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73568-9_18.

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Maliva, Robert G. "Evaluation of Aquifer Storage and Aquitard Properties." In Springer Hydrogeology, 445–65. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32137-0_14.

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Liu, Zhong-Yu, Jin-Chao Yue, and Li-Yun Sun. "One-Dimensional Consolidation Of Aquitard Considering Non-Darcy Flow." In Advances in Environmental Geotechnics, 430–34. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-04460-1_33.

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Ball, William P., and Chongxuan Liu. "Diffusion-Limited Contamination and Decontamination in a Layered Aquitard: Forensic and Predictive Analysis of Field Data." In Resource Recovery, Confinement, and Remediation of Environmental Hazards, 179–94. New York, NY: Springer New York, 2002. http://dx.doi.org/10.1007/978-1-4613-0037-3_10.

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Dolbeau, François. "Un légendier perdu, de type aquitain." In Le légendier de Moissac et la culture hagiographique méridionale autour de l’an mil, 219–30. Turnhout, Belgium: Brepols Publishers, 2018. http://dx.doi.org/10.1484/m.hag-eb.5.116283.

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Wang, Chi-Yuen, and Michael Manga. "Groundwater and Stream Composition." In Lecture Notes in Earth System Sciences, 257–87. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64308-9_9.

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AbstractChanges of groundwater chemistry have long been observed. We review some studies of the earthquake-induced changes of groundwater and streamflow composition. When data are relatively abundant and the hydrogeology is relatively simple, the observed changes may provide valuable insight into earthquake-induced changes of hydrogeological processes. Progress in this aspect, however, has been slow not only because systematic measurements are scare but also because of the distribution of chemical sources and sinks in the crust are often complex and unknown. Most changes are consistent with the model of earthquake-enhanced groundwater transport through basin-wide or local enhanced permeability caused by earthquake-induced breaching of hydrologic barriers such as aquitards, connecting otherwise isolated aquifers or other fluid sources, leading to fluid source switching and/or mixing. Because the interpretation of earthquake-induced groundwater and stream compositions is often under-constrained, multi-disciplinary approaches may be needed to provide a better constrained interpretation of the observed changes.
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Falta, Ronald W. "Dissolved Chemical Discharge from Fractured Clay Aquitards Contaminated by DNAPLS." In Dynamics of Fluids and Transport in Fractured Rock, 165–74. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/162gm15.

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Cames, Pierre. "Eth substrat basco-aquitan en gascon. Torn d’orizont dera question e problèmas inerents." In Publications de l'Association Internationale d'Etudes Occitanes, 243–61. Turnhout, Belgium: Brepols Publishers, 2022. http://dx.doi.org/10.1484/m.paieo-eb.5.126425.

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"aquitard." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 62. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_12415.

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Conference papers on the topic "Aquitard"

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Murray, Titus, and William L. Power. "Conceptual Framework for Hydrologic Modelling of Faults." In PESA Symposium Qld 2022. PESA, 2022. http://dx.doi.org/10.36404/lmyz2214.

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Unconventional oil and gas developments may require considering the potential hydrological impacts of faults on near-surface groundwater assets. It is vital that faults are represented appropriately. There are several examples where faults have been invoked as part of “Straw Man” arguments to oppose development (Currell et. al. 2017 and Iverach et. al. 2020). The processes of dewatering and hydraulic fracture stimulation may generate preferential pathways for flow that impact aquifers and groundwater dependant ecosystems. As part of this, a clear framework for the assessment of the impact of f
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Victor B. Ella, Stewart W. Melvin, and Rameshwar S. Kanwar. "Nitrate-nitrogen Loading Rates in a Glacial Till Aquitard." In 2002 Chicago, IL July 28-31, 2002. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2002. http://dx.doi.org/10.13031/2013.9528.

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Lightfoot, Alexandra, and Rolf Kipfer. "Aquitard constraints on degassing in an arsenic contaminated aquifer." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.7260.

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Young, Roger A., and Jingsheng Sun. "3‐D representation of aquitard topography using ground‐penetrating radar." In SEG Technical Program Expanded Abstracts 1995. Society of Exploration Geophysicists, 1995. http://dx.doi.org/10.1190/1.1887444.

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Cardimona, Steve, Katharine Kadinsky‐Cade, and William Clement. "Coincident ground penetrating radar and seismic imaging of an aquitard boundary." In SEG Technical Program Expanded Abstracts 1996. Society of Exploration Geophysicists, 1996. http://dx.doi.org/10.1190/1.1826781.

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Steelman, Colby M., Adam Smiarowski, Oliver Conway-White, Hernan Ugalde, Emmanuelle Arnaud, and Beth L. Parker. "ENHANCING SOURCE-WATER MANAGEMENT THROUGH AIRBORNE ELECTROMAGENTIC IMAGING OF COMPLEX AQUIFER-AQUITARD SEQUENCES." In Symposium on the Application of Geophysics to Engineering and Environmental Problems 2019. Society of Exploration Geophysicists and Environment and Engineering Geophysical Society, 2019. http://dx.doi.org/10.4133/sageep.32-028.

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Meyer, Jessica R., Beth L. Parker, Lucas A. F. S. Ribeiro, Chris A. Morgan, and Anthony C. Runkel. "HIGH RESOLUTION HEAD PROFILES REVEAL NEW INSIGHTS ABOUT AQUITARD MECHANISMS IN SEDIMENTARY ROCKS." In 52nd Annual North-Central GSA Section Meeting - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018nc-311755.

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Mazurek, M., A. de Haller, and A. Gautschi. "Pore-water Evolution in the Shale-rich Aquitard Sequence at Mont Terri, Switzerland." In Fifth EAGE Shale Workshop. Netherlands: EAGE Publications BV, 2016. http://dx.doi.org/10.3997/2214-4609.201600417.

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Hart, David J., and Curtis L. Thomas. "Using Time‐Domain Electromagnetics to Map the Transition of an Aquifer to an Aquitard." In Symposium on the Application of Geophysics to Engineering and Environmental Problems 2005. Environment and Engineering Geophysical Society, 2005. http://dx.doi.org/10.4133/1.2923531.

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Kjarsgaard, Bruce, Ross D. Knight, H. A. J. Russell, David Sharpe, Heather Crow, and Laura Olson. "NEWMARKET TILL AQUITARD: OPTIMUM GRAIN PACKING, WITH A PORE FILLING CEMENT GENERATES PSEUDO-CONCRETE." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-285066.

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Reports on the topic "Aquitard"

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Kjarsgaard, B. A., D. R. Sharpe, R. D. Knight, D. Stepner, and H. A J Russell. Newmarket Till aquitard: optimum grain packing with a pore-filling calcite-rich cement. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2018. http://dx.doi.org/10.4095/306539.

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Kjarsgaard, B. A., R. D. Knight, H. A. J. Russell, D. R. Sharpe, H. Crow, and L. Olson. Newmarket Till aquitard: optimum grain packing with a pore-filling calcite-rich cement. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2017. http://dx.doi.org/10.4095/299778.

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Desbarats, A. J., M. J. Hinton, C. E. Logan, and D. R. Sharpe. Geostatistical mapping of leakance in a regional aquitard, Oak Ridges Moraine area, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2000. http://dx.doi.org/10.4095/220152.

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4

Sharpe, D. R., H. A. J. Russell, and C. Logan. Geological characterization of a regional aquitard: Newmarket Till, Oak Ridges Moraine area, southern Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2002. http://dx.doi.org/10.4095/216708.

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Knight, R. D., M. Moroz, and H. A. J. Russell. Geochemistry of a Champlain Sea aquitard, Kinburn, Ontario: portable XRF analysis and fusion chemistry. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2012. http://dx.doi.org/10.4095/290969.

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Deeds, Jake, and John Bradford. CHARACTERIZATION OF AN AQUITARD AND DIRECT DETECTION OF LNAPL AT HILL AIR FORCE BASE USING GPR AVO AND MIGRATION VELOCITY ANALYSES. Office of Scientific and Technical Information (OSTI), June 2002. http://dx.doi.org/10.2172/833500.

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7

Hamblin, A. P. Detailed measured sections, bedrock aquifer/aquitard facies and potential bedrock aquifer systems of the Upper Cretaceous Nanaimo Group, Nanaimo Lowland, eastern Vancouver Island, British Columbia, Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2015. http://dx.doi.org/10.4095/296979.

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Carter, T. R., C. E. Logan, J K Clark, H. A. J. Russell, E. H. Priebe, and S. Sun. A three-dimensional bedrock hydrostratigraphic model of southern Ontario. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331098.

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Abstract:
A hydrostratigraphic framework has been developed for southern Ontario consisting of 15 hydrostratigraphic units and 3 regional hydrochemical regimes. Using this framework, the 54 layer 3-D lithostratigraphic model has been converted into a 15 layer 3-D hydrostratigraphic model. Layers are expressed as either aquifer or aquitard based principally on hydrogeologic characteristics, in particular the permeability and the occurrence/absence of groundwater when intersected by a water well or petroleum well. Hydrostratigraphic aquifer units are sub-divided into up to three distinct hydrochemical reg
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Rashtchi, R., T. Al, J. Cornett, R. Gerber, and H. A J Russell. Assessing the integrity of aquitards: the Newmarket Till at Ajax. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2018. http://dx.doi.org/10.4095/306570.

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Baker, Ralph S., and Uwe Hiester. Large-Scale Physical Models of Thermal Remediation of DNAPL Source Zones in Aquitards. Fort Belvoir, VA: Defense Technical Information Center, May 2009. http://dx.doi.org/10.21236/ada520587.

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