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Dissertations / Theses on the topic 'Groundwater Interaction'

Author: Grafiati

Published: 6 September 2023

Last updated: 26 July 2025

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1

Pujades, Garnes Estanislao. "Interaction between groundwater and underground constructions." Doctoral thesis, Universitat Politècnica de Catalunya, 2013. http://hdl.handle.net/10803/127151.

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Underground constructions below the water table may be problematic if the role of groundwater is not properly acknowledged. Difficulties worsen in urban environments. Two aspects should be taken into account in the interaction between underground constructions and groundwater, 1) the impacts caused by the construction in the aquifers and 2) the difficulties that groundwater causes during the construction. Therefore, the design of an underground construction must be minimize the impacts in the underground environment as well as guaranteeing the safety of the workers and the integrity of adjace

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2

PERICO, ROBERTA. "GROUNDWATER-SURFACE WATER INTERACTION IN ALPINE CATCHMENT." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2022. http://hdl.handle.net/10281/374727.

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L'evidenza riconosciuta del riscaldamento globale richiede una valutazione del ciclo dell'acqua presente e futuro in Europa e nel mondo. Recentemente, è stata documentata l'evidenza di un regime idrologico modificato nelle Alpi sotto il cambiamento climatico. Tuttavia, secondo il quinto rapporto di valutazione dell'IPCC, è ancora necessario approfondire la nostra comprensione dell'impatto del cambiamento climatico e dell'uso del suolo sullo stoccaggio delle acque sotterranee nei bacini idrografici alpini. Una delle maggiori limitazioni all'analisi dell'interazione tra acque superficiali e sott

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3

Bota, Liciniu, and Liciniu Bota. "Modeling of groundwater flow and surface/groundwater interaction for upper Cienega Creek Basin." Thesis, The University of Arizona, 1997. http://hdl.handle.net/10150/626917.

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The modular three-dimensional finite-difference groundwater flow model (MODFLOW) was used to study the hydrology of Upper Cienega Creek. The geological and hydrological characteristics of the basin indicate that the groundwater is contained in an unconfined aquifer. The study focuses on the interaction between groundwater and surface water in Upper Cienega Creek Basin and the surrounding basins (Sonoita and Bobocamari). The steady state analysis simulated the predevelopment conditions of the aquifer, and the transient state analysis, conducted between 1989 and 2002, predict

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4

Oxtobee, Jaime Peter Allan. "Groundwater/surface water interaction in a fractured bedrock environment." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ63350.pdf.

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5

Worakijthamrong, Surin. "Groundwater-River Interaction in the Context of Interbasin Transfer." Thesis, University of Bristol, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.526010.

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6

Aradas, Rodolfo D. "Groundwater and surface water interaction for integrated catchment planning." Thesis, University of Nottingham, 2005. http://eprints.nottingham.ac.uk/12810/.

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Integrated Catchment Management (ICM), defined as the design of intervention strategies encompassing and integrating the fields of hydrology, environmental, social and economic science, is vital in order to reach sustainable solutions on a catchment basis. Modelling lies at the core of the ICM process as it supports baseline studies and enables analysis of proposed intervention measures both for present day conditions and under future scenarios. Its core role in ICM leads to the need to develop modelling into a more comprehensive activity within which the design of a modelling approach, select

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7

Font, Capó Jordi. "Interaction between groundwater and TBM (Tunnel Boring Machine) excavated tunnels." Doctoral thesis, Universitat Politècnica de Catalunya, 2012. http://hdl.handle.net/10803/96782.

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A number of problems, e.g. sudden inflows are encountered during tunneling under the piezometric level, especially when the excavation crosses high transmissivity areas. These inflows may drag materials when the tunnel crosses low competent layers, resulting in subsidence, chimney formation and collapses. Moreover, inflows can lead to a decrease in head level because of aquifer drainage. Tunnels can be drilled by a tunnel boring machine (TBM) to minimize inflows and groundwater impacts, restricting the effect on the tunnel face. This method is especially suitable for urban tunneling where the

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8

au, Tony J. Smith@csiro, and Anthony John Smith. "Periodic forcing of surface water-groundwater interaction : modelling in vertical section." Murdoch University, 1999. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20090617.93320.

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Sinusoidal variations in recharge can induce cyclical flows in surface water and groundwater. In this thesis, such time-dependent flows are explored in a coupled lakeaquifer system. The modelling extends previous steady state results and introduces new flow-visualisation techniques. Local responses in a 2D vertical section are illustrated for lakes within a 1D regional groundwater mound. The theory employs complex variables to decouple the periodic groundwater flows into separate steady state and fluctuating components. The time dependent behaviour causes the lake-aquifer flow to change betwe

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9

Starzyk, Cynthia Ann. "Simulating surface water - groundwater interaction in the Bertrand Creek Watershed, B.C." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/42520.

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This research investigates the nature and controls of surface water–groundwater interaction at the watershed scale, and investigates how mechanisms which control this interaction during baseflow conditions might best be represented within an integrated surface-subsurface numerical model. The study site is the 46 km² Bertrand Creek Watershed, which is situated in a glaciated landscape in southern western British Columbia. A conceptual model of surface water–groundwater interaction along Bertrand Creek is developed based on a field data collection program conducted during the dry seasons of 20

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10

Grapes, Timothy Rupert. "Groundwater-river interaction in a chalk catchment : the River Lambourn, UK." Thesis, University of Birmingham, 2004. http://etheses.bham.ac.uk//id/eprint/4036/.

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Chalk streams are of high ecological value and are dependent upon groundwater discharge to support flows. This study investigates chalk stream-aquifer interaction, focusing on a near-natural catchment; the River Lambourn of the West Berkshire Downs. The topographic catchment of the Lambourn is 234km², principally underlain by Upper Chalk. The river has a perennial length of c.16km, and a 7.5km seasonal section. Temporal dynamics of the recharge-storage-discharge sequence are investigated using linear regression techniques to identify the lag between recharge and discharge. The effective maximu

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11

Akter, Farzina. "Groundwater salinity and interaction with surface water near Cootamundra, NSW, Australia." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/18578.

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Salinisation is a major global environmental concern especially in semi-arid regions such as Australia. Dryland salinity is caused by capillary rising or discharging saline groundwater, which adversely impacts natural environments and infrastructure. It is important to understand salinisation processes to reduce these adverse impacts. This thesis uses a focus catchment (Muttama creek catchment, NSW) to explore salinisation mechanisms at a catchment scale. Three particular aspects are the focus of this thesis: (i) The variation in time and space of the groundwater salinity in the Muttama catchm

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12

Smith, Anthony John. "Periodic forcing of surface water-groundwater interaction: modelling in vertical section." Thesis, Smith, Anthony John (1999) Periodic forcing of surface water-groundwater interaction: modelling in vertical section. PhD thesis, Murdoch University, 1999. https://researchrepository.murdoch.edu.au/id/eprint/689/.

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Sinusoidal variations in recharge can induce cyclical flows in surface water and groundwater. In this thesis, such time-dependent flows are explored in a coupled lakeaquifer system. The modelling extends previous steady state results and introduces new flow-visualisation techniques. Local responses in a 2D vertical section are illustrated for lakes within a 1D regional groundwater mound. The theory employs complex variables to decouple the periodic groundwater flows into separate steady state and fluctuating components. The time dependent behaviour causes the lake-aquifer flow to change be

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13

Smith, Anthony John. "Periodic forcing of surface water-groundwater interaction: modelling in vertical section." Smith, Anthony John (1999) Periodic forcing of surface water-groundwater interaction: modelling in vertical section. PhD thesis, Murdoch University, 1999. http://researchrepository.murdoch.edu.au/689/.

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Sinusoidal variations in recharge can induce cyclical flows in surface water and groundwater. In this thesis, such time-dependent flows are explored in a coupled lakeaquifer system. The modelling extends previous steady state results and introduces new flow-visualisation techniques. Local responses in a 2D vertical section are illustrated for lakes within a 1D regional groundwater mound. The theory employs complex variables to decouple the periodic groundwater flows into separate steady state and fluctuating components. The time dependent behaviour causes the lake-aquifer flow to change bet

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14

Jahnke, Philip, and Philip Jahnke. "Modeling of groundwater flow and surface/groundwater interaction for the San Pedro River Basin from Fairbank to Redington, Arizona." Thesis, The University of Arizona, 1994. http://hdl.handle.net/10150/626882.

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15

Saha, Gopal Chandra Clement Thangadurai Prabhakar. "Experimental and numerical analysis of groundwater-surfacewater interaction in horizontal and sloping unconfined aquifers." Auburn, Ala, 2009. http://hdl.handle.net/10415/1785.

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16

Chebud, Yirgalem A. "Operational Prediction of Groundwater-phosphorous Interaction Over Surficial Aquifers of South Florida." FIU Digital Commons, 2012. http://digitalcommons.fiu.edu/etd/578.

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South Florida has transformed from a natural to a managed ecosystem upon channelization of Kissimmee River and the wetlands in the 1960’s. The drainage has resulted in fast transport of water and nutrient, and subsequently eutrophication of the downstream water bodies. The intervention required: intensive management of the shallow groundwater to balance ecological water requirement; and nutrient removal, namely phosphorus, to minimize eutrophication. The study was set to examine and develop an operational prediction method for groundwater-phosphorus interactions to support the wetlands managem

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17

Porter, Sandra. "Groundwater/surface water interaction in the Raisin River watershed, near Cornwall, Ontario." Thesis, University of Ottawa (Canada), 1996. http://hdl.handle.net/10393/10133.

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A field study was conducted in 1994 and 1995 to understand the interaction of groundwater and surface water in the Raisin River watershed, near Cornwall, Ontario. The Raisin River lies within an agricultural region which relies heavily on groundwater use. The regional groundwater supply is predominantly from a limestone aquifer which underlies various surficial deposits (primarily glacial till). Groundwater movement appears to be in a southeasterly direction, towards the St. Lawrence River. Seepage meters, mini-piezometers, and a falling head permeameter were used to (i) measure the flux of gr

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18

Madlala, Tebogo Eugene. "Determination of groundwater-surface water interaction, upper Berg River catchment, South Africa." University of the Western Cape, 2015. http://hdl.handle.net/11394/5331.

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>Magister Scientiae - MSc<br>The present study investigated the application of a multi-method approach to determine groundwater-surface water (GW-SW) interactions to quantify and characterize the quality of water resources in a fractured rock aquifer system in upper catchment of the Berg River (G10A). Demonstrating methods for improved understanding of groundwater and surface water interactions is important for informing development of strategies that ensure effective utilization and management of water resources. Applying a single method to inform innovative strategies for water resources has

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19

Stahl, Mason Odell. "Surface-water groundwater interaction and arsenic mobilization in south and southeast Asia." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/99609.

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Thesis: Ph. D. in Environmental Engineering, Massachusetts Institute of Technology, Department of Civil and Environmental Engineering, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Contamination of groundwater with geogenic arsenic is widespread throughout much of South and Southeast Asia and poses a serious health risk to the millions of individuals who consume this water. It is widely agreed that the dominant mechanism of arsenic mobilization is reductive dissolution of arsenic-bearing iron-oxides coupled to the oxidation of organic carbon. However

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20

Engelbrecht, Jeanine. "Remote sensing for assessing wetland-groundwater interaction in the Kogelberg Biosphere Reserve." Thesis, Stellenbosch : Stellenbosch University, 2005. http://hdl.handle.net/10019.1/50436.

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Thesis (MA)--Stellenbosch University, 2005.<br>ENGLISH ABSTRACT: The Table Mountain Group (TMG) Aquifer System is a regional fractured aquifer system with a large potential as a source of future water supplies in the Western and Eastern Cape. This system is currently under consideration for large-scale water abstraction. Many terrestrial ecosystems, however, are dependent on these groundwater resources for survival. Exploitation of ground water resources at a rate exceeding the rate of natural recharge would result in a lowering of the water table and the drying up of seeps. The main ob

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21

Langman, Jeff B. "A multi-tracer study of saltwater origin, cross-formational flow, and the geochemical evolution of groundwater in the southern High Plains Aquifer along the western caprock escarpment, east-central New Mexico." 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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22

Berger, Karen Plaut 1972. "Surface water-- groundwater interaction : the spatial organization of hydrologic processes over complex terrain." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/80630.

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23

Forster, Craig Burton. "Interaction of groundwater flow systems and thermal regimes in mountainous terrain : a numerical study." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/27300.

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It is widely recognized that topographically-driven groundwater flow can perturb conductive thermal regimes. High-relief topography amplifies the impact of factors controlling groundwater flow and advective heat transfer. A finite element method is developed to model the influence of geology, climate, surface topography and regional heat flux on steady groundwater flow and heat transfer. Because fluid viscosity (hence fluid flux) depends upon temperature, groundwater flow is influenced by the regional heat flux. As a consequence, isothermal approaches to modeling deep groundwater flow in mount

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24

Lewandowski, Jason A. "Modified UNIFAC-LLE Group-Interaction Parameters for the Prediction of Gasoline-Ethanol-Water Equilibria." Digital WPI, 2008. https://digitalcommons.wpi.edu/etd-theses/461.

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Gasoline spills are sources of groundwater contamination. In the event of a spill, timely remediation efforts can advert most of the potential groundwater contamination due to the immiscibility of gasoline in water. Ethanol functions as a cosolvent that can increase the solubility of gasoline in water. Therefore, the risk of groundwater contamination in the event of a fuel spill increases as the ethanol content in automobile fuels increases. This study examines the effect fuel spill size and ethanol content has on the quantities of toluene, ethylbenzene, m-xylene and o-xylene (TEMO) that disso

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25

Hsieh, Gin-Chang. "The Immunological and Neurochemical Toxicity of Benzene and its Interaction with Toluene in Mice." DigitalCommons@USU, 1988. https://digitalcommons.usu.edu/etd/4645.

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Benzene and toluene are known groundwater contaminants . Male CD-I mice were continuously exposed to 0, 31, 166, and 790 mg/ L benzene and 0, 17, 80, and 405 mg/L toluene, respectively, in drinking water for four weeks. Benzene caused a reduction of leukocytes, lymphocytes and erythrocytes, and resulted in a macrocytic anemia. Lymphocyte response to both B- and T-cell mitogens, mixed lymphocyte response to alloantigens, and the ability of cytotoxic lymphocytes to lyse tumor cells were enhanced at the lowest dose of benzene and depressed in the higher dosage animals. Benzene at doses of 166 and

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26

Reynolds, Frederick Douglas Misra Anil. "Seismic analysis of deep buried concrete water collection structure." Diss., UMK access, 2008.

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Thesis (Ph. D.)--School of Computing and Engineering and Dept. of Geosciences. University of Missouri--Kansas City, 2008.<br>"A dissertation in engineering and geosciences." Advisor: Anil Misra. Typescript. Vita. Title from "catalog record" of the print edition Description based on contents viewed Sept. 12, 2008. Includes bibliographical references (leaves 234-236). Online version of the print edition.

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27

Pritchard, Jodie Lee, and jodie_pritchard@hotmail com. "Dynamics of stream and groundwater exchange using environmental tracers." Flinders University. School of Chemistry, Physical & Earth Science, 2006. http://catalogue.flinders.edu.au./local/adt/public/adt-SFU20060407.122526.

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Regions of surface water and groundwater exchange are major sites for the transfer and transformation of solutes and nutrients between stream and subsurface environments. Conventional stream and groundwater exchange investigations are limited by methodologies that require intensive field investigations and/or the set-up of expensive infrastructure. These difficulties are exacerbated where hydraulic gradients are very low and stream discharge highly variable. This thesis uses a suite of environmental tracers (Cl-, Rn-222, H-2 & O-18, Sr-87/Sr-86) to characterise the extent of stream and groundw

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28

Anderson, Michael Alan. "A hydrogeochemical investigation of metalliferous coal pile runoff and its interaction with soil and groundwater /." This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-09162005-115028/.

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29

Anderson, Michael A. "A hydrogeochemical investigation of metalliferous coal pile runoff and its interaction with soil and groundwater." Diss., Virginia Tech, 1990. http://hdl.handle.net/10919/39371.

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Highly acidic and metal-rich runoff from coal storage facilities can have a dramatic impact on local surface and ground water quality. In order to identify important reactions governing metal transport within subsurface environments subject to infiltration of coal pile runoff, samples of uncontaminated subsoil and aquifer materials adjacent to the D-Area coal stockpile runoff containment basin at the Department of Energy's Savannah River Site were collected and subjected to leaching with the acidic, metalliferous coal pile runoff. Columns were packed to bulk densities of 1.5 Mg m³ and subjecte

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30

Assefa, Kibreab. "Groundwater recharge modelling: linkage to aquifers and implications for water resources management and policy." John Wiley & Sons, 2013. http://hdl.handle.net/1993/22212.

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The main goal of this research is to develop and test a groundwater recharge estimation method that can address some of the key research priorities in groundwater. In this context use is made of various modelling tools including ArcGIS, field data (in situ observations of soil temperature and soil moisture), and soil physics as represented by a physically based vadose zone hydrologic model (HYDRUS-1D). The research is conducted in a pilot watershed in north Okanagan, Canada. The public version of HYDUS-1D and another version with detailed freezing and thawing module are first used to inves

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31

Biyela, Mfundi Cyril. "Assessing groundwater-surface water interaction as a decision-making tool licensing water use South Africa : case study area of Gevonden farm." University of the Western Cape, 2015. http://hdl.handle.net/11394/5409.

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>Magister Scientiae - MSc<br>Assessing groundwater-surface water interaction as a decision-making tool licensing water use South Africa: Case study area of Gevonden Farm is the title of the current study with the context that arises from the use of GRAII methodology which uses quaternary catchment boundaries for groundwater abstraction water use licence application assessment during decision making. The problem is that the quaternary catchment scale approach does not provide the scientific bases for site specific scale. The current study argues that such approach provides realistic, practical

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32

Massmann, Joel Warren. "Groundwater contamination from waste-management sites : the interaction between risk-based engineering design and regulatory policy." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/27451.

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This dissertation puts in place a risk-cost-benefit analysis for waste management facilities that explicitly recognizes the adversarial relationship that exists in a regulated market economy between the owner-operator of the facility and the government regulatory agency under whose terms the facility must be licensed. The risk-cost-benefit analysis is set up from the perspective of the owner-operator. It can be used directly by the owner-operator to assess alternative design strategies. It can also be used by the regulatory agency to assess alternative regulatory policies, but only in an indir

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33

Dasey, Gregory R. Civil &amp Environmental Engineering Faculty of Engineering UNSW. "Geophysical and hydrogeological assessment of the interaction of saline and fresh groundwater near a tidal creek." Awarded by:University of New South Wales. Civil & Environmental Engineering, 2010. http://handle.unsw.edu.au/1959.4/44732.

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Through the application of downhole logging techniques an innovative assessment of density dependent groundwater flow has been undertaken that highlights the limitations of water level measurements for assessing groundwater flow in coastal environments. The method utilises an EM39 bulk conductivity log to calculate fluid conductivity/fluid density that was then used to convert measured point water head to freshwater head/environmental head to improve the understanding of groundwater flow at the creek. This method of assessing density dependent flow is unique and has not previously been demonst

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34

Cameron, Stewart Graham. "A hydrogeological study of the interaction between Avon River baseflow and shallow groundwater, Christchurch, New Zealand." Thesis, University of Canterbury. Geology, 1992. http://hdl.handle.net/10092/8023.

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The relationship between shallow groundwater levels and Avon River baseflow upstream of Gloucester Street has been investigated. Avon River baseflow is supplied by shallow groundwater-fed springs. Historical and anecdotal information indicate that since European settlement of the Christchurch area in the 1850's, Avon River baseflow has declined. The baseflow decline is attributed to the progressive lowering of the Christchurch area watertable which has caused downstream migration of headwater spring positions and a reduction in spring discharge. Prior to this study minimal historical Avon Rive

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35

Nespoli, Massimo <1988&gt. "Modeling earthquake-fluid interaction: shallow effects on groundwater circulation and induced seismicity in deep geothermal exploitation." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amsdottorato.unibo.it/7530/1/nespoli_massimo_tesi.pdf.

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The interaction between earthquakes and crustal fluids is a very complex topic due to several mechanisms that are involved and which influence each other. Some phenomena, like the alterations of springs discharge rates and fluid flow, liquefaction and changing of the water levels in phreatic wells are largely documented in the literature, but their explanation is not yet fully clear. Furthermore, these phenomena can greatly change with the rock type, the earthquake magnitude and the observation distance from the fault. Within a distance of a few fault lengths from the epicenter, an earthquake

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36

Nespoli, Massimo <1988&gt. "Modeling earthquake-fluid interaction: shallow effects on groundwater circulation and induced seismicity in deep geothermal exploitation." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amsdottorato.unibo.it/7530/.

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The interaction between earthquakes and crustal fluids is a very complex topic due to several mechanisms that are involved and which influence each other. Some phenomena, like the alterations of springs discharge rates and fluid flow, liquefaction and changing of the water levels in phreatic wells are largely documented in the literature, but their explanation is not yet fully clear. Furthermore, these phenomena can greatly change with the rock type, the earthquake magnitude and the observation distance from the fault. Within a distance of a few fault lengths from the epicenter, an earthquake

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37

Brown, Krista M. "GROUNDWATER-STREAM INTERACTIONS AND WATER QUALITY OF FORMER DAM RESERVOIRS IN NORTHEAST, OHIO." Kent State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=kent1564530847224908.

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38

Xu, Xiuyuan. "Interaction of Chemical Oxidants with Aquifer Materials." Thesis, University of Waterloo, 2006. http://hdl.handle.net/10012/2891.

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In situ chemical oxidation (ISCO) is a leading-edge technology for soil and groundwater remediation, and involves injecting a chemical oxidant (e. g. , permanganate, hydrogen peroxide, or persulfate) into the subsurface to deplete contaminant mass through oxidation. Since the delivery of the chosen oxidant to the target treatment zone must occur in situ, the interaction between the injected oxidant and the aquifer material is a key controlling factor for a successful ISCO application. While many published ISCO studies have focused on the interaction between an oxidant and target contam

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39

Lovell, Daniel Martin. "Conjunctive management of groundwater and surface water in the Upper Ovens River Valley /." Connect to thesis, 2009. http://repository.unimelb.edu.au/10187/5724.

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40

Al, Haj Rachad. "Hydrogeochemical study of Abu Ali watershed’s groundwater (Lebanon)." Electronic Thesis or Diss., Université de Lille (2018-2021), 2021. http://www.theses.fr/2021LILUR052.

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L’eau souterraine est une ressource naturelle importante fortement impactée par les activités anthropiques qui peuvent dégrader sa qualité. Le bassin méditerranéen est un environnement sous stress hydrique et soumis à une forte pression anthropique. Ce qui fait que les eaux souterraines représentent la principale ressource en eau pour plusieurs pays méditerranéens, le Liban inclut. Cette thèse vise à étudier la qualité et les caractéristiques hydrogéochimiques des eaux souterraines du bassin versant d’Abu Ali, situé au nord du Liban, et de les comparer avec les caractéristiques hydrogéochimiqu

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41

Ala-aho, P. (Pertti). "Groundwater-surface water interactions in esker aquifers:from field measurements to fully integrated numerical modelling." Doctoral thesis, Oulun yliopisto, 2014. http://urn.fi/urn:isbn:9789526206585.

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Abstract Water resources management calls for methods to simultaneously manage groundwater (GW) and surface water (SW) systems. These have traditionally been considered separate units of the hydrological cycle, which has led to oversimplification of exchange processes at the GW-SW interface. This thesis studied GW hydrology and the previously unrecognised connection of the Rokua esker aquifer with lakes and streams in the area, with the aim of identifying reasons for lake water level variability and eutrophication in the Rokua esker. GW-SW interactions in the aquifer were first studied with fi

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42

Périllon, Cécile [Verfasser], Hans-Peter [Akademischer Betreuer] Grossart, and Sabine [Akademischer Betreuer] Hilt. "The effect of groundwater on benthic primary producers and their interaction / Cécile Périllon ; Hans-Peter Grossart, Sabine Hilt." Potsdam : Universität Potsdam, 2017. http://d-nb.info/1218403365/34.

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43

Gaona, Garcia Jaime. "Groundwater-stream water interactions: point and distributed measurements and innovative upscaling technologies." Doctoral thesis, Università degli studi di Trento, 2019. http://hdl.handle.net/11572/242544.

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The need to consider groundwater and surface water as a single resource has fostered the interest of the scientific community on the interactions between surface water and groundwater. The region below and alongside rivers where surface hydrology and subsurface hydrology concur is the hyporheic zone. This is the region where water exchange determines many biogeochemical and ecological processes of great impact on the functioning of rivers. However, the complex processes taking place in the hyporheic zone require a multidisciplinary approach. The combination of innovative point and distribut

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Tien, Anh Tho. "The influence of climate variability on hydrological processes and surface and groundwater hydrochemistry : the tropical upper roper river catchment, Northern Territory, Australia." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/44150/1/Anh_Tien_Thesis.pdf.

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The Upper Roper River is one of the Australia’s unique tropical rivers which have been largely untouched by development. The Upper Roper River catchment comprises the sub-catchments of the Waterhouse River and Roper Creek, the two tributaries of the Roper River. There is a complex geological setting with different aquifer types. In this seasonal system, close interaction between surface water and groundwater contributes to both streamflow and sustaining ecosystems. The interaction is highly variable between seasons. A conceptual hydrogeological model was developed to investigate the diff

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Timani, Bassel. "Innovative and Efficient Simulation-Optimization Tools for Successful Groundwater Management and Conflict Resolution." DigitalCommons@USU, 2015. https://digitalcommons.usu.edu/etd/4601.

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Decision makers' conflicts about the validity of a single simulation model and inefficiencies of existing response matrix methods (RMM) hinder adopting successful groundwater management plans. We speed up the process by proposing a hybrid RMM that is most efficient for situations in which optimizable stimuli can vary through consecutive periods of uniform duration interspersed with periods of different duration. We use the hybrid RMM within Simulation-Optimization (S-O) models to develop optimal water management strategies. For the tested problems, the hybrid RMM requires as much or 63-89% les

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Abesh, Bidisha Faruque. "Modeling and Understanding Groundwater Contamination Caused by Cyanotoxins from Harmful Algal Blooms in Lake Erie." Bowling Green State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1562953927561716.

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Donelan, Jack E. "Groundwater-Surface Water Interaction in the Kern River| Estimates of Baseflow from Dissolved Radon Analysis and Hydrograph Separation Techniques." Thesis, California State University, Long Beach, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10841176.

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<p> Geochemical mixing methods utilizing <sup>222</sup>Rn and chloride and statistical hydrograph separation techniques were carried out in an attempt to understand baseflow dynamics in a section of the Kern River in the Sierra Nevada of Southern California. <sup>222</sup>Rn has become a valuable tool for evaluating groundwater inflow to a river, particularly when groundwater and surface water have similar major ion geochemistry. When using geochemical methods it is important to minimize uncertainty through comparison with separate tracers and techniques, though this is complicated in this set

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Banda, Vincent Santos Dzulani. "Assessing hydrogeological characteristics to establish influence of aquifer-river interaction in non-perennial river systems, Heuningnes catchment." University of the Western Cape, 2019. http://hdl.handle.net/11394/7007.

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>Magister Scientiae - MSc<br>Over half of total flows in the global river network are composed of non-perennial rivers. This indicates the importance of non-perennial river systems in supporting the biodiversity. It has been established that groundwater is one of the elements that control the flow regimes and classification (whether perennial or not) of a river system. However, the use of hydrogeological characteristics to establish the influence of groundwater on non-perennial river systems remain to be widely unpublished. This study, therefore, intends to conceptualize and explain the role o

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Simpson, Scott. "Modeling Stream-Aquifer Interactions During Floods and Baseflow: Upper San Pedro River, Southeastern Arizona." Thesis, The University of Arizona, 2007. http://hdl.handle.net/10150/193338.

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Streams and groundwaters interact in distinctly different ways during flood versus base flow periods. Recent research in the Upper San Pedro River using isotopic and chemical data shows that (1) near-stream, or 'riparian,' groundwater recharged during high streamflow periods is a major contributor to streamflow for the rest of the year, and (2) the amount of riparian groundwater derived from this flood recharge can vary widely (10-90%) along the river. Riparian groundwater in gaining reaches is almost entirely basin groundwater, whereas losing reaches are dominated by prior streamflow.This des

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Berger, Tobias. "Fluoride in surface water and groundwater in southeast Sweden : sources, controls and risk aspects." Doctoral thesis, Linnéuniversitetet, Institutionen för biologi och miljö (BOM), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-52562.

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The aim of this thesis is to determine the sources, controls and risk aspects of fluoride in surface water and groundwater in a region of southeastern Sweden where the fluorine-rich 1.45 Ga circular Götemar granite (5 km in diameter) crops out in the surrounding 1.8 Ga granites and quartz monzodiorites (TIB rocks). The materials of this thesis include both primary data, collected for the purpose of this thesis, and a large set of secondary data, retrieved from the Swedish Nuclear Fuel and Waste Management Co., the Swedish Geological Survey and the Kalmar County Council. A characteristic featur

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