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Dissertations / Theses on the topic 'Groundwater Chemistry'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Carlyle, Graham Charles. "Groundwater phosphorus chemistry in a river riparian zone." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0017/MQ59163.pdf.

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2

Mahmood, Hosam Rifaat. "Groundwater chemistry and water table variations in Bahrain." Thesis, Loughborough University, 1993. https://dspace.lboro.ac.uk/2134/11707.

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An evaluation has been carried out of the groundwater system in Bahrain. It has involved the collection of water samples from all the water bearing formations to study the quality of the groundwater. Each water sample was tested physically, chemically, and bacteriologically. Additionally, the five day biochemical oxygen demand test and hydrogen sulphide were detected. The period of the actual sampling and testing extended from mid-1990 to the beginning of 1992. The results obtained have been compared to the results of an earlier study conducted between 1978 and 1979. The investigation has also

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3

Kolesnik, Lindgren Julian. "Aquifer Thermal Energy Storage : Impact on groundwater chemistry." Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-232110.

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Groundwater is potentially a useful source for storing and providing thermal energy to the built environment. In a nordic context, aquifer thermal energy storage, (ATES) has not been subject to a wider extent of research concerning environmental impact. This thesis intends to study the impact on groundwater chemistry from an ATES that has been operational since 2016 and is located in the northern part of Stockholm, on a glaciofluvial deposit called the Stockholm esker. Analysis of groundwater sampling included a period of 9 months prior to ATES operation as well as a 7 month period after opera

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4

Seger, Emily M. "Seepage Lake Chemistry as an Indicator of Climate Change." Fogler Library, University of Maine, 2004. http://www.library.umaine.edu/theses/pdf/SegerEM2004.pdf.

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5

Grant, Jane D. "The significance of groundwater-surface water interactions on hyporheic physico-chemistry and stream ecology in two Scottish mountain rivers." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources. Online version available for University members only until Apr. 7, 2010, 2008. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=26046.

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6

Doremus, Llyn, and David Kreamer. "Groundwater Movement and Water Chemistry at Bryce Canyon National Park." Arizona-Nevada Academy of Science, 2000. http://hdl.handle.net/10150/296565.

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7

Stanley, James. "Groundwater chemistry and microbiology in a wet-tropics agricultural catchment." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/134265/1/James_Stanley_Thesis.pdf.

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Groundwater ecosystems can moderate the concentrations of agricultural contaminants that discharge into marine zones like the Great Barrier Reef. However, the analysis of microorganisms in our wet-tropics groundwater aquifers has received little attention. This study monitored seasonal changes in groundwater chemistry in aquifers underlying sugarcane in north Queensland and identified microorganisms that inhabit the groundwater and soil. The results indicate a strong connectivity between agricultural soil ecosystems and groundwater aquifers. There was spatial variability in groundwater chemist

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8

Shanyengana, Shanyengana E. "Groundwater chemistry and supplementary sources of freshwater in Arid environments : groundwater salinisation, solar desalination & fog collection." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52870.

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Thesis (DPhil)--Stellenbosch University, 2002.<br>ENGLISH ABSTRACT: Freshwater is the most fundamental of all life-supporting resources that determine our social, economic and political wellbeing. It is, however, only a small percentage of the world's water resources and is also unevenly distributed. Arid regions make-up about forty percent of the world's land area and have a large proportion of the world population, however, they only have a small fraction of the freshwater compared to other areas. Conventional freshwater sources in arid environments such as surface water in rivers, l

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9

Garcia, Garcia Sandra. "The impact of groundwater chemistry on the stability of bentonite colloids." Licentiate thesis, KTH, Chemistry, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4504.

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<p>I det svenska djupförvaret för kärnbränsle ska kompakterad bentonit användas som barriär mellan kopparkapslar med utbränt kärnbränsle och berget. I kontakt med vattenförande sprickor kan bentonitbarriären under vissa omständigheter avge montmorillonitkolloider. Förutom att barriärens egenskaper urholkas pga förlusten av material kan kolloiderna, om de är stabila, underlätta transporten av sorberade radionuklider ut mot biosfären.</p><p>Den här studien fokuserar på att undersöka vilka effekter grundvattenkemin har på montmorillonitkolloiders stabilitet. Grundvattnets sammansättning, pH och j

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10

García, García Sandra. "The impact of groundwater chemistry on the stability of bentonite colloids /." Stockholm : Kemi, Kungliga Tekniska högskolan, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4504.

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11

Markland, Kendra Marie. "Relating functional microbial diversity to eastern Iowa alluvial aquifer groundwater chemistry." Thesis, University of Iowa, 2018. https://ir.uiowa.edu/etd/6197.

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Alluvial aquifers are important sources of drinking water for Eastern Iowans. However, alluvial aquifers are particularly susceptible to contamination from surface activities due to their shallow depth, permeable material, and close connection to surface waters. Domestic wells and monitoring wells located in alluvial aquifers within the Eastern Iowa Basins study unit, which covers 19,500 square miles, were sampled. The study unit includes the Wapsipinicon, Cedar, Iowa, and Skunk River basins, all of which drain to the Mississippi River. During the summer of 2017, a sampling effort of twelve do

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12

Lait, Robert W. "Groundwater occurrence and chemistry in the Cattle Creek Catchment, North Queensland." Thesis, Queensland University of Technology, 1998.

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13

Leung, Chi-man, and 梁志文. "Groundwater chemistry in the urban environment: a case study of the Mid-levels area, Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B29230792.

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14

Shaw, Philip Neil. "Studies on cobalt speciation in groundwaters." Thesis, Loughborough University, 1990. https://dspace.lboro.ac.uk/2134/32076.

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The use of Sephadex G-10 gel chromatography with a groundwater mobile-phase to separate bound and free cobalt in concentrated groundwater samples has proven to be a relatively non-invasive technique for the investigation of groundwater chemistry. Trace amounts of cobalt as would be expected to be released from a radioactive waste repository do exhibit association with groundwater species from a test site near the Drigg low-level nuclear waste site in Cumbria.

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15

Carberry, D. D. "Influence of land use on the chemistry and microbial abundance in groundwater." Thesis, University of Ottawa (Canada), 2004. http://hdl.handle.net/10393/26595.

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Groundwater is a major source of water for many Canadians. It has been shown that in many parts of Canada, wells exceed the guidelines for nitrate and bacteria and there is a lack of detailed information available on the state of wells in general. Water samples from 54 private potable wells in the South Nation River and Raisin River watershed areas were collected for water quality analysis in 2003. Water quality indicators tested for in the well water samples consisted of the following: nitrate, total coliforms (TC), Escherichia coli (EC), background colonies (BC), conductivity, oxygen (disso

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16

Do, Clement. "EVALUATION OF A FILTRATION SORBENT FOR REMEDIATION OF ARSENIC IN GROUNDWATER." CSUSB ScholarWorks, 2017. https://scholarworks.lib.csusb.edu/etd/474.

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A commercially available product, PURA PhosLock, was identified and evaluated for use as a sorbent to remove dissolved arsenic (As) from drinking water. Although marketed as a product to remove phosphate in aquaria, it is composed of iron oxide hydroxide (i.e., FeO(OH)), which is also known to adsorb dissolved As species from water. Arsenic was measured using standard methods and Graphite Furnace Atomic Absorption Spectroscopy. A first rough filtration test was performed to see if the PhosLock adsorbed As well. About 50 g of PhosLock was used to filter 10 L of tap water containing 100 ppb As.

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17

Caron, Heather J. "Groundwater Hydrology and Chemistry of Fresh Meadow Wetland, Acadia National Park, Maine, USA." Fogler Library, University of Maine, 2005. http://www.library.umaine.edu/theses/pdf/CaronHJ2005.pdf.

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18

Waggoner, Sarah Elizabeth. "Effects of repetitive, small magnitude earthquakes on groundwater chemistry in Faulkner County, Arkansas." OpenSIUC, 2011. https://opensiuc.lib.siu.edu/theses/586.

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The drive to find reliable sources of fuel that follow our green concerns and reduce our dependence on foreign sources of fossil fuels has pushed exploration and recovery of natural gas from within the United States to a top priority. Earthquakes generated from the use of hydraulic fracturing techniques and/or use of high pressure injection wells are occurring at an alarming rate due to increases in hydrocarbon exploration and recovery. While the link between earthquakes and hydrocarbon production is still uncertain, earthquake induced changes to groundwater chemistry are clear. Yet it has not

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19

Harbison, John Edwin. "Groundwater chemistry and hydrological processes within a Quaternary coastal plain: Pimpama, Southeast Queensland." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/16647/1/John%20Harbison%20Thesis.pdf.

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The Pimpama estuarine plain in subtropical southeast Queensland is comprised of Quaternary sediments infilling older bedrock. These multilayered unconsolidated sediments have various depositional origins, and are highly heterogeneous. The plain is low-lying and the surface drainage is controlled by flood mitigation measures including tidal gates and channelised streams. The control of surface drainage potentially affects the shallow water table. This modification of hydrology has implications for future viability of agriculture and also the environmental health of waterways. Increased landscap

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20

Harbison, John Edwin. "Groundwater chemistry and hydrological processes within a Quaternary coastal plain: Pimpama, Southeast Queensland." Queensland University of Technology, 2007. http://eprints.qut.edu.au/16647/.

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The Pimpama estuarine plain in subtropical southeast Queensland is comprised of Quaternary sediments infilling older bedrock. These multilayered unconsolidated sediments have various depositional origins, and are highly heterogeneous. The plain is low-lying and the surface drainage is controlled by flood mitigation measures including tidal gates and channelised streams. The control of surface drainage potentially affects the shallow water table. This modification of hydrology has implications for future viability of agriculture and also the environmental health of waterways. Increased landscap

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21

Hildum, Brendan. "Arsenic Speciation and Groundwater Chemistry at a Landfill Site: A Case Study of Shepley's Hill Landfill." Thesis, Boston College, 2013. http://hdl.handle.net/2345/3234.

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Thesis advisor: Rudolph Hon<br>A groundwater plume beneath a capped landfill in north-central Massachusetts contains dissolved arsenic concentrations exceeding 10,000 ppb at several locations. The landfill closed in the early 1990's and contains minimally documented solid waste materials deposited over the course of nearly a century. The source(s), fate, and transport of arsenic in the landfill aquifer have been studied extensively over the past decade; however, the source and pathways of arsenic are not yet fully defined. The primary source of arsenic likely involves a combination of the land

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22

Kalin, Robert M. "The hydrogeochemical evolution of the groundwater of the Tucson Basin with application to 3-dimensional groundwater flow modelling." Diss., The University of Arizona, 1994. http://hdl.handle.net/10150/186609.

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This work examines the hydrogeochemical evolution of Tucson basin groundwater, including isotope hydrology, geochemistry and age determinations. Results of mineralogic investigation on basin fill were used to constrain water-rock geochemical reactions. Examination of 45 years of water quality data shows that groundwater mining has affected water quality. Stable isotopes of carbon, oxygen, hydrogen, sulfur, and chlorine and radiocarbon, tritium and radon determinations refine the interpretation of hydrogeochemical evolution of Tucson basin groundwater as modelled with NETPATH. Two distinct samp

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23

Woocay-Prieto, Arturo. "Groundwater hydrochemical facies, flowpaths and recharge determined by multivariate statistical, isotopic and chloride mass-balance methods." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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24

Haile, Estifanos. "Groundwater chemistry and recharge rate in crystalline rocks : case study from the Eritrean highland /." Stockholm: Department of Land and Water Resources Engineering, Royal Institute of Technology, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4085.

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25

Cooney, Patrick. "Effects of introduced groundwater on water chemistry and fish assemblages in Central Florida lakes." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0005260.

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26

Barna, Joshua M. "VARIABILITY IN GROUNDWATER FLOW AND CHEMISTRY IN THE HOUZHAI KARST BASIN, GUIZHOU PROVINCE, CHINA." UKnowledge, 2019. https://uknowledge.uky.edu/ees_etds/65.

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Understanding how karst aquifers store and transmit water and contaminants is an ongoing problem in hydrogeology. Flowpath and recharge heterogeneity contribute to the complexity of these systems. This thesis explores karst-conduit connectivity and water chemistry variability in the Houzhai catchment in Guizhou province, China. Artificial tracer tests were conducted during both the monsoon and dry seasons to understand temporal variability in connectivity and water velocity between karst features. Multiple flowpaths through the catchment are activated during the monsoon season and partially ab

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27

Pugh, Evan. "Effects of biological activity and precipitation on stormwater retention basin water chemistry in Bryn Mawr, PA." Diss., Connect to the thesis, 2007. http://hdl.handle.net/10066/826.

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28

Fagerström, Emil. "En studie av historiska grundvattenkvalitetsdata utifrån ett klimatförändringsperspektiv." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-295843.

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Grundvattnets kemiska kvalitet påverkas av olika processer i dess närområde, dessa kan vara såväl mänskliga aktiviteter som klimatologiska faktorer. Hur och i vilken utsträckning de påverkar grundvattenkvaliteten kan studeras genom att undersöka utvecklingen av historiska grundvattenkvalitetsdata i relation till förändringar i klimatet. Detta kandidatarbete syftar till att studera hur grundvattnets kvalitet påverkas av klimatförändringarna. Data över ökande och minskande trender i förändringar hos olika kemiska parametrar har bearbetats utifrån material från Sveriges geologiska undersökning fr

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29

Mukherjee, Abhijit. "DEEPER GROUNDWATER FLOW AND CHEMISTRY IN THE ARSENIC AFFECTED WESTERN BENGAL BASIN, WEST BENGAL, INDIA." UKnowledge, 2006. http://uknowledge.uky.edu/gradschool_diss/368.

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Natural attenuation of trichloroethene (TCE) and technetium (99Tc) was studied for five consecutive seasons (from January 2002 to January 2003) in Little Bayou Creek. The stream receives ground water discharge from an aquifer contaminated by past waste disposal activities at the Paducah Gaseous Diffusion Plant (PGDP), a uranium enrichment facility near Paducah, Kentucky. Results from stream gaging, contaminant monitoring, tracer tests (with bromide, nitrate, rhodamine WT and propane) and simulation modeling indicate the TCE is naturally attenua

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30

Sherman, Amanda Rachelle. "TEMPORAL AND SPATIAL VARIABILITY IN GROUNDWATER FLOW AND CHEMISTRY ALONG THE CUMBERLAND RIVER, ARTEMUS, KENTUCKY." UKnowledge, 2019. https://uknowledge.uky.edu/ees_etds/68.

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Groundwater in the Kentucky Appalachian region is constrained by physiography and lithology. Lithostratigraphy, groundwater flow, and chemistry were delineated in the alluvial aquifer along the Cumberland River at H.L. Disney Training Center. To assess groundwater-river interactions and water quality, 11 monitoring wells were installed and sampled quarterly, plus the river and an existing bedrock well. Analytical results were evaluated for temporal and spatial trends. Collected soil cores were analyzed for bulk chemistry and grain size. Solute speciation and saturation indices were calculated

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31

Henderson, Rachel M. "Solute Chemistry and Isotopic Investigation of the Groundwater Flow Paths in Honey Lake Basin, Lassen County, California and Washoe County, Nevada." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1748.pdf.

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32

Kolesnik, Lindgren Julian. "Aquifer Thermal Energy Storage : Impact on grondwater chemistry." Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-241055.

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Groundwater is potentially a useful source for storing and providing thermal energy to the built environment. In a nordic context, aquifer thermal energy storage, (ATES) has not been subject to a wider extent of research concerning environmental impact. This thesis intends to study the impact on groundwater chemistry from an ATES that has been operational since 2016 and is located in the northern part of Stockholm, on a glaciofluvial deposit called the Stockholm esker. Analysis of groundwater sampling included a period of 9 months prior to ATES operation as well as a 7 month period after opera

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33

Metwaly, Hassan Ali Hassan. "A study of groundwater contamination and bioremediation treatment using natural soil and vegetation." Thesis, University of Glasgow, 1999. http://theses.gla.ac.uk/2851/.

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This thesis is concerned with the following studies : 1- Ammonium analysis in soil and water including the determination of low levels of ammonium (<0.1 mg N/1) in groundwater and the colorimetric analysis of highly coloured groundwater samples. 2- An investigation of groundwater quality and soils at a contaminated industrial site. 3- Bioremediation treatment of the ammonium and nitrate contaminated groundwater using natural soil and vegetation and using soil incubation and pot experiments. These findings of a pot experiment suggest the possibility of applying the bioremediation treatment of t

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34

Missi, Charles. "Physical, chemical and isotopic characteristics of groundwater and surface water in the lake chilwa basin, malawi." Thesis, Oklahoma State University, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=10811532.

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<p> We measured the physical, chemical and isotopic properties of groundwater, streams and Lake Chilwa in the Lake Chilwa Basin in southern Malawi. Our goal was to assess water quality and identify the hydrogeochemical processes that control water quality. Groundwater in the Lake Chilwa Basin are highly saline which has led to water shortages because of poor water quality. We hypothesized that the highly saline groundwater resulted from water-rock interaction. The objective of the study wasto assess the chemical evolution of the groundwater and surface water and their relationship to water-roc

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35

Nicol, Ryan Charles Smith. "Hydrogeology of the Cromwell Terrace Aquifer, Central Otago." Thesis, University of Canterbury. Geological Sciences, 2011. http://hdl.handle.net/10092/6431.

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A hydrogeologic model, groundwater chemistry and stable isotopic analysis were used to establish recharge resources and outflows so a water balance could be developed for the Cromwell Terrace Aquifer (CTA) in Central Otago, New Zealand. Increased popularity of the Central Otago region for viticulture, orcharding and tourism, has resulted in an increased demand for water. Groundwater is a viable option to meet this demand for water. The CTA is a single unconfined aquifer contained within a thin veneer of permeable Quaternary glacial outwash gravels that range in thickness between 10 and 50m. T

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36

Gonzalez, Raymat Hansell. "Unrefined Humic Substances as a Potential Low-cost Remediation Method for Groundwater Contaminated with Uranium in Acidic Conditions." FIU Digital Commons, 2018. https://digitalcommons.fiu.edu/etd/3864.

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Anthropogenic activities such as uranium mining and milling, nuclear weapons production, and nuclear reprocessing have left a legacy of groundwater and soil contaminated with uranium that needs to be addressed. Therefore, developing new remediation technologies to sequester uranium in situ is crucial. The objective of the study was to determine if low-cost commercially available unrefined humic substances, such as Huma-K, can be used to facilitate uranium sorption to minerals in soil and sediment. Sediments from the saturated zone beneath the F-Area seepage basins at the Savannah River Site (S

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37

Sowder, Jonathan T. "The origin and fate of arsenic in coalbed natural gas produced water ponds." Laramie, Wyo. : University of Wyoming, 2009. http://proquest.umi.com/pqdweb?did=1935323111&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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38

Blumstock, Maria Elisabeth. "Spatial organisation of groundwater-surface water interactions in an upland catchment : integrating hydrometric, tracer and modelling approaches." Thesis, University of Aberdeen, 2017. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=233033.

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This thesis presents studies of the heterogeneous nature of groundwater-surface water (GW-SW) interactions at the hillslope and catchment scale in the 3.2km2 Bruntland Burn, UK. GW fluctuations were measured within three contrasting hydropedological units. Synoptic hydrogeochemical surveys were carried out (major ions, stable isotopes) to capture the increased influence of GW to the stream during a 10year return period drought. The catchment was shown to have highly dynamic GW stores, with each landscape unit translating into different rainfall-runoff processes. Soil characteristics were shown

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39

Locsey, Katrina L. "Hydrochemistry of groundwaters within the Murray and Otway Basins in the Victorian Designated Area, Victorian-South Australian border." Thesis, Queensland University of Technology, 1998. https://eprints.qut.edu.au/37016/1/37016_Locsey_1998.pdf.

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An assessment of the hydrochemistry of groundwaters in the Murray and Otway Basins along the Victorian - South Australian border has been conducted. This area is known as the Victorian Designated Area (VDA) and contains three main aquifers, the Tertiary Limestone Aquifer, Tertiary Confined Sand Aquifer, and Pliocene Sands Aquifer. The area extends from the Murray River in the north to the Bass Strait coastline in the south. Agricultural development and increasing reliance on groundwater resources in the region have prompted the need for an investigation into the processes affecting grou

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40

Sasi, Giuma A. A. "Evaluation Of Metal Concentrations In Groundwater Nearby Soma Coal-fired Power Plant." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606756/index.pdf.

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ABSTRACT EVALUATION OF METAL CONCENTRATIONS IN GROUNDWATER NEARBY SOMA COAL FIRED POWER PLANT Giuma Sasi M.S., Department of Chmistry Supervisor: Prof. Dr. Semra G. Tuncel December 2005, 95 Pages In this work, metal pollution in groundwater near by Soma coal-fired power plant was invistigated. Coal combustion results in huge amounts of bottom ash from which metals can originate and migrate to groundwater and pollute it. Forty groundwater samples were collected from water wells in an area near by the power plant to determine 14 metals namely<br>Na, Ca, K, Mg, Al, Ba, Fe, Zn, Cu, Pb, Cr, Cd,

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41

Hannah, Louise. "The high through-put synthesis & screening of electrocatalysts for the reduction of nitrate in groundwater and waste streams." Thesis, University of Southampton, 2012. https://eprints.soton.ac.uk/354557/.

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The pollution of groundwater and waste streams by nitrate is an increasing problem. The electrochemical reduction of nitrate is a viable technology to convert nitrate to a less harmful species such as N2. However, Rh, a rare precious metal is the most active catalyst for the electrochemical reduction of nitrate. The discovery of new electrocatalysts is required for this technology to be commercially viable. As nitrate is a complex reaction with up to eight different reaction products it is vital to be able to determine the product distribution. From the viewpoint of environmental remediation i

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42

Covino, Timothy Patrick. "Stream-groundwater interactions in a mountain to valley transition: impacts on watershed hydrologic response and stream water chemistry." Thesis, Montana State University, 2005. http://etd.lib.montana.edu/etd/2005/covino/CovinoT1205.pdf.

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As mountain headwater catchments increase in size to the meso-scale, they incorporate new landscape elements including mountain-valley transition zones. Mountain-valley transition zones form part of the mountain front, influence groundwater (GW)-stream interactions, and impact hydrologic response and stream water composition. Mountain front recharge (MFR) in mountain-valley transition zones and subsequent GW discharge to streams in the valley bottom are important hydrological processes. These GW-stream interactions are dynamic in both space and time, playing a key role in regulating the amount

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43

Harbison, John E. "The occurrence and chemistry of groundwater on Bribie Island, a large barrier island in Moreton Bay, Southeast Queensland." Thesis, Queensland University of Technology, 1998.

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44

Chen, Kouping. "Impact of land reclamation on hydrogeochemical processes in coastal aquifer systems : a case study in Shenzhen, China /." Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/HKUTO/record/B39558940.

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45

Ibbini, Jwan Hussein. "Microcosms and field bioremediation studies of Perchloroethene (PCE) contaminated soil and groundwater." Diss., Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/1112.

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46

Sidborn, Magnus. "Modelling long-term redox processes and oxygen scavenging in fractured crystalline rocks." Doctoral thesis, Stockholm : Kemiteknik, Kungliga Tekniska högskolan, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4491.

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47

Agrawala, Gautam Kumar. "Regional ground water interpretation using multivariate statistical methods." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2007. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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48

Adams, Nicholas. "Chemical speciation of silver(I) in freshwater." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0027/NQ50978.pdf.

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Ma, Wai Tang. "Analysis of polar nitroaromatics in groundwater by using solid-phase extraction and liquid chromatography-mass spectrometry." HKBU Institutional Repository, 2004. http://repository.hkbu.edu.hk/etd_ra/581.

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Bates, Brittney Lynette. "The Influence of Groundwater Flowpaths, Nutrients, and Redox Conditions on the Extent of Microbial Methanogenesis in Coal Beds Using Solute and Isotope Chemistry: Powder River Basin, USA." Thesis, The University of Arizona, 2010. http://hdl.handle.net/10150/193411.

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Abstract:

Water and gas samples were collected from coalbed methane wells and surface coal mines in the Powder River Basin and analyzed for solute chemistry, isotopes, and gas composition to determine timing and source of recharge, nutrient influxes, extent of methanogenesis, and redox conditions. Delta18O-H2O values and hydraulic gradients show recharge to coal beds is principally from the southern basin margin with inputs from the western and eastern margins. Detectable 14C in coal waters indicates they were recharged <50,000 BP. Correlation of deltaD-CH4 and deltaD-H2O values suggests that methane

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