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Relevant bibliographies by topics / Coastal groundwater movement

Academic literature on the topic 'Coastal groundwater movement'

Author: Grafiati

Published: 4 June 2021

Last updated: 20 February 2023

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Journal articles on the topic "Coastal groundwater movement"

1

Won, Byeongho, Se-Yeong Hamm, Kue-Young Kim, Kyoochul Ha, Jehyun Shin, Seho Hwang, and Soo-Hyoung Lee. "Response Analysis of Multi-Layered Volcanic Aquifers in Jeju Island to the 2011 M9.0 Tohoku-Oki Earthquake." Water 11, no. 5 (May 5, 2019): 942. http://dx.doi.org/10.3390/w11050942.

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Seismic waves caused by earthquakes can lead to the movement of fresh groundwater and saltwater in coastal aquifers. The groundwater level, temperature, and electrical conductivity in coastal monitoring wells on the volcanic island of Jeju all responded to the 2011 M 9.0 Tohoku-Oki earthquake. As a result of the earthquake, groundwater temperature and electrical conductivity patterns demonstrated freshwater outflow and saltwater inflow through the monitoring wells in multi-layered coastal aquifers. The seismicity also affected the behavior of ocean tides occurring at depth along the multi-layered coastal aquifers. These observations prove that the use of multi-depth systems for monitoring groundwater level, temperature, and electrical conductivity are more effective than single monitoring systems for understanding the exact behavior of multi-layered aquifers as well as efficiently detecting earthquake-induced or anthropogenic impacts on aquifers in coastal, karstic, or volcanic areas.

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2

Dujon, Antoine M., Thomas C. Stieglitz, Erwan Amice, and Dale M. Webber. "Snail leaps and bounds: drivers of the diel movement pattern of a large invertebrate, the Caribbean queen conch (Lobatus gigas), in a marginal inshore habitat." Canadian Journal of Zoology 97, no. 5 (May 2019): 436–45. http://dx.doi.org/10.1139/cjz-2018-0106.

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Understanding the relationship between the movements of animals and their environment is crucial for fisheries and species management. There is currently a lack of detailed information about the movement of slow-moving benthic species, especially for species of ecological or commercial importance. Here we document the relationship between diel movement and environmental parameters in a groundwater-fed coastal inlet for the queen conch (Lobatus gigas (Linnaeus, 1758)), an important fishery resource of the Caribbean region, using three-dimensional accelerometers and video cameras. Our results show immature queen conch (n = 9) spend most of their active time grazing, exhibiting two main distinct movements that we characterize as a leap and a drift that are mostly used to access new foraging resources. When overturned, they flip, producing a movement with the highest acceleration recorded to limit exposure and restore normal position. Movement patterns appear to be significantly affected by the oxygen concentration of the bottom water, with lower activity during low-oxygen levels in the morning (probability of 0.75 of observing 0 movement per hour) and maximum activity during the afternoon when oxygen concentration is at its maximum (probability of 0.80 of observing >10 movements per hour). Salinity and temperature had little effect on movement patterns. Our results confirm that highly variable marginal habitats like groundwater-fed inlets are suitable for juvenile conch growth and should be included in efficient conservation plans.

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Βουδούρης, K., K. Νίκας, and A. Αντωνάκος. "STUDY OF EVOLUTION OF THE SEAWATER INTRUSION IN COASTAL AQUIFERS. CASE STUDY: THE COASTAL AQUIFER SYSTEM OF NW ACHAIA." Bulletin of the Geological Society of Greece 36, no. 4 (January 1, 2004): 1952. http://dx.doi.org/10.12681/bgsg.16690.

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Seawater intrusion problems are recorded in coastal aquifers, which constitute the main sources of drinking water and agricultural irrigation in many countries. The aim of this work is to describe the evolution of the salinity distribution by seawater intrusion, based on results from chemical analyses, of 29 groundwater samples in the NWAchaia area (Peloponnesus, Greece). The study of these data indicates that aquifer waters in large part of area reflect salinization related to seawater intrusion. The occurrence of Ca-CI hydrochemical types of groundwater indicates active seawater intrusion. Cation exchange is the most noticeable hydrogeochemical process in the movement of the saline front in the coastal aquifer. Geographical distribution of Careact index was mapped. The areas with advance or decline of the seawater intrusion front are defined from this map.

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4

ONO, Fumiya, Koichi YAMAMOTO, Kotaro TSUSHIMA, Masayuki OHISHI, Ariyo KANNO, and Masahiko SEKINE. "GROUNDWATER VELOCIMETER USING PAPER DISK AND ITS APPLICATION TO THE GROUNDWATER MOVEMENT IN THE COASTAL SAND BAR." Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 70, no. 7 (2014): III_355—III_363. http://dx.doi.org/10.2208/jscejer.70.iii_355.

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5

Kimber, Stephen W. L., Delton J. Sizemore, and Peter G. Slavich. "Is there evidence of arsenic movement at cattle tick dip sites?" Soil Research 40, no. 7 (2002): 1103. http://dx.doi.org/10.1071/sr02011.

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Soils at cattle tick dip sites in Australia have been contaminated by a range of chemicals, including arsenic (As). To determine if significant off-site migration of As from dip sites has occurred, 28 dip sites were surveyed to assess both surface and subsurface As transport. Although previous studies using sequential extraction techniques indicated a risk of As leaching at these sites, no evidence of such movement was found in the field from this study.The As concentration in shallow groundwater (2 m) at clay textured sites was below detection level of 1 μg/L.�At sandy textured sites, groundwater immediately adjacent to the dip bath contained significant levels of soluble arsenic, but declined sharply with distance (c. 20 m) from the bath.The distribution of As at the soil surface was consistent with disposal methods used (pumping out used fluid from the dip). No sites showed significant transport and redeposition of As.Arsenic speciation in groundwater revealed As (V) as the dominant species in all sites. As (III) was found in detectable quantities at one site only.Most dip sites in New South Wales are located on heavier textured soils rich in iron oxides that adsorb As. These sites pose a negligible risk of contaminating groundwater. However, a few dip sites also occur on coastal sand relics. These sites have potential to contaminate groundwater within small distances (c. 20 m) from the dip bath. Lack of significant surface movement of residues was attributed to good vegetation cover at the sites surveyed.

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6

Houston, James. "Nearshore and Offshore Modeling by the U.S. Army Corps of Engineers." Marine Technology Society Journal 33, no. 3 (January 1, 1999): 93–94. http://dx.doi.org/10.4031/mtsj.33.3.11.

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The corps of Engineers requires predictive models of hydrodynamic conditions in the nearshore and offshore to perform its civil works and military missions. To support these missions, the Corps has developed numerical models that predict tidal and wind-driven elevations and currents, directional-spectral wind-wave climatology, and groundwater movement and interaction with coastal surface waters.

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7

Graniczny, Marek, Jolanta Čyžienė, Freek van Leijen, Vytautas Minkevičius, Vidas Mikulėnas, Jonas Satkūnas, Maria Przyłucka, et al. "Vertical ground movements in the Polish and Lithuanian Baltic coastal area as measured by satellite interferometry." Baltica 28, no. 2 (December 11, 2015): 65–80. http://dx.doi.org/10.5200/baltica.2015.28.07.

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The article contains results obtained from realization of the Polish and Lithuanian Baltic case study within the EU – FP 7 SubCoast project, which one of the primary aims was analysis of vertical ground movements, potentially causing geohazards in the coastal areas. To reach this goal Interferometric Synthetic Aperture Radar (InSAR) data were obtained. For the Polish and Lithuanian Baltic coast ERS archive radar data were processed in order to provide Permanent Scatterer (PSInSAR, PSI) results that were then used to create the new innovative product – Dynamic DEM (DDEM). The deformation model defined by the SubCoast project normally needs to be created by merging InSAR, satellite navigation (GNSS), optical leveling and/or gravimetry measurements. Elaboration of DDEM enables more effective comparison between PS and tectonic features. Comparison of PS time series with groundwater changes shows a direct correlation, confirming impact of groundwater on subsidence or uplift of the ground surface. The results of the geological interpretation demonstrated that the examples of movements detected by PSI include subsidence linked to deformation of engineering constructions, compaction of organic or weak soils, and eolian accumulation or deflation processes of the sand dunes. For the Polish and Lithuanian coasts most of the area proved to be stable, nevertheless some local deviations up to –15 mm per year of movement were found.

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8

Abd-Elhamid, Hany F., Ismail Abd-Elaty, and Mohsen M. Sherif. "Effects of Aquifer Bed Slope and Sea Level on Saltwater Intrusion in Coastal Aquifers." Hydrology 7, no. 1 (December 31, 2019): 5. http://dx.doi.org/10.3390/hydrology7010005.

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The quality of groundwater resources in coastal aquifers is affected by saltwater intrusion. Over-abstraction of groundwater and seawater level rise due to climate change accelerate the intrusion process. This paper investigates the effects of aquifer bed slope and seaside slope on saltwater intrusion. The possible impacts of increasing seawater head due to sea level rise and decreasing groundwater level due to over-pumping and reduction in recharge are also investigated. A numerical model (SEAWAT) is applied to well-known Henry problem to assess the movement of the dispersion zone under different settings of bed and seaside slopes. The results showed that increasing seaside slope increased the intrusion of saltwater by 53.2% and 117% for slopes of 1:1 and 2:1, respectively. Increasing the bed slope toward the land decreased the intrusion length by 2% and 4.8%, respectively. On the other hand, increasing the bed slope toward the seaside increased the intrusion length by 3.6% and 6.4% for bed slopes of 20:1 and 10:1, respectively. The impacts of reducing the groundwater level at the land side and increasing the seawater level at the shoreline by 5% and 10% considering different slopes are studied. The intrusion length increased under both conditions. Unlike Henry problem, the current investigation considers inclined beds and sea boundaries and, hence, provides a better representation of the field conditions.

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Hofmann, Harald, Dean Newborn, Ian Cartwright, Dioni I. Cendón, and Matthias Raiber. "Groundwater mean residence times of a subtropical barrier sand island." Hydrology and Earth System Sciences 24, no. 3 (March 19, 2020): 1293–318. http://dx.doi.org/10.5194/hess-24-1293-2020.

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Abstract. Fresh groundwater on barrier islands is affected by changing sea levels and precipitation variability due to climate change and is also vulnerable to anthropogenic processes, such as contamination and groundwater over-abstraction. Constraining groundwater mean residence times (MRTs) and flow paths is essential for understanding and managing these resources. This study uses tritium (3H) and carbon-14 (14C) to determine the MRTs of groundwater along a transect across subtropical North Stradbroke Island, south-east Queensland, Australia. Hydraulic properties, major ion geochemistry and stable isotopes are used to validate residence times and to identify the processes responsible for their variability. 3H activities range from less than 0.01 to 1 TU (tritium units), which are values lower than those of local average rainfall (1.6–2.0 TU). 14C concentrations range from 62.5 to 111 pMC (percent modern carbon). Estimated MRTs determined using lumped parameter models and 3H activities range from 37 to more than 50 years. Recharge occurs over the entire island, and groundwater MRTs generally increase vertically and laterally towards the coastal discharge areas, although no systematic pattern is observed. MRTs estimated from 14C concentrations display similar spatial relationships but have a much greater range (from modern to approximately 5000 years). Water diversion and retention by lower-permeability units in the unsaturated parts of the dune systems are the most likely course for relatively long MRTs to date. The results indicate that the internal structures within the dune systems increase MRTs in the groundwater system and potentially divert flow paths. The structures produce perched aquifer systems that are wide-spread and have a significant influence on regional recharge. The geochemical composition of groundwater remains relatively consistent throughout the island, with the only irregularities attributed to old groundwater stored within coastal peat. The outcomes of this study enhance the understanding of groundwater flow, recharge diversion and inhibition for large coastal sand masses in general, especially for older sand masses that have developed structures from pedogenesis and dune movement. With respect to south-east Queensland, it allows the existing regional groundwater flow model to be refined by incorporating independent MRTs to test models' validity. The location of this large fresh groundwater reservoir, in dry and populous south-east Queensland, means that its potential to be used as a water source is always high. Background information on aquifer distribution and groundwater MRTs is crucial to better validate impact assessment for water abstraction.

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Anders, Robert, Gregory O. Mendez, Kiyoto Futa, and Wesley R. Danskin. "A Geochemical Approach to Determine Sources and Movement of Saline Groundwater in a Coastal Aquifer." Groundwater 52, no. 5 (August 28, 2013): 756–68. http://dx.doi.org/10.1111/gwat.12108.

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Dissertations / Theses on the topic "Coastal groundwater movement"

1

Guo, Haipeng, and 郭海朋. "Groundwater movement and subsurface air flow induced by land reclamation and tidal fluctuation in coastal aquifers." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B40987735.

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Guo, Haipeng. "Groundwater movement and subsurface air flow induced by land reclamation and tidal fluctuation in coastal aquifers." Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/B40987735.

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3

Teo, Hhih-Ting, and h. teo@griffith edu au. "Tidal Dynamics in Coastal Aquifers." Griffith University. School of Engineering, 2003. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20030729.155028.

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The prediction of coastal groundwater movement is necessary in coastal management. However, the study in this field is still a great challenge due to the involvement of tidal-groundwater interactions and the phenomena of hydrodynamic dispersion between salt-fresh water in the coastal region. To date, numerous theories for groundwater dynamic have been made available in analytical, numerical and also experimental forms. Nevertheless, most of them are based on the zeroth-order shallow flow, i.e. Boussinesq approximation. Two main components for coastal unconfined aquifer have been completed in this Thesis: the vertical beach model and the sloping beach model. Both solutions are solved in closed-form up to higher order with shallow water parameter ([epsilon]) and tidal amplitude parameter ([alpha]). The vertical beach solution contributes to the higher-order tidal fluctuations while the sloping beach model overcomes the shortcomings in the existing solutions. From this study, higher-order components are found to be significant especially for larger value of [alpha] and [epsilon]. Other parameters such as hydraulic conductivity (K) and the thickness of aquifer (D) also affect the water table fluctuations. The new sloping solution demonstrated the significant influence of beach slope ([beta]) on the water table fluctuations. A comprehensive comparison between previous solution and the present sloping solution have been performed mathematically and numerically and the present solution has been demonstrated to provide a better prediction

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4

Teo, Hhih-Ting. "Tidal Dynamics in Coastal Aquifers." Thesis, Griffith University, 2003. http://hdl.handle.net/10072/365678.

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The prediction of coastal groundwater movement is necessary in coastal management. However, the study in this field is still a great challenge due to the involvement of tidal-groundwater interactions and the phenomena of hydrodynamic dispersion between salt-fresh water in the coastal region. To date, numerous theories for groundwater dynamic have been made available in analytical, numerical and also experimental forms. Nevertheless, most of them are based on the zeroth-order shallow flow, i.e. Boussinesq approximation. Two main components for coastal unconfined aquifer have been completed in this Thesis: the vertical beach model and the sloping beach model. Both solutions are solved in closed-form up to higher order with shallow water parameter ([epsilon]) and tidal amplitude parameter ([alpha]). The vertical beach solution contributes to the higher-order tidal fluctuations while the sloping beach model overcomes the shortcomings in the existing solutions. From this study, higher-order components are found to be significant especially for larger value of [alpha] and [epsilon]. Other parameters such as hydraulic conductivity (K) and the thickness of aquifer (D) also affect the water table fluctuations. The new sloping solution demonstrated the significant influence of beach slope ([beta]) on the water table fluctuations. A comprehensive comparison between previous solution and the present sloping solution have been performed mathematically and numerically and the present solution has been demonstrated to provide a better prediction
Thesis (Masters)
Master of Philosophy (MPhil)
School of Engineering
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Books on the topic "Coastal groundwater movement"

1

Izbicki, John A. Source, movement, and age of ground water in a coastal California aquifer. [Washington, D.C.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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2

Pope, Daryll A. Simulation of ground-water flow and movement of the freshwater-saltwater interface in the New Jersey coastal plain. West Trenton, N.J: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Pope, Daryll A. Simulation of ground-water flow and movement of the freshwater-saltwater interface in the New Jersey coastal plain. West Trenton, N.J: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Pope, Daryll A. Simulation of ground-water flow and movement of the freshwater-saltwater interface in the New Jersey coastal plain. West Trenton, N.J: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Pope, Daryll A. Simulation of ground-water flow and movement of the freshwater-saltwater interface in the New Jersey coastal plain. West Trenton, N.J: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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6

Pope, Daryll A. Simulation of ground-water flow and movement of the freshwater-saltwater interface in the New Jersey coastal plain. West Trenton, N.J: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Pope, Daryll A. Simulation of ground-water flow and movement of the freshwater-saltwater interface in the New Jersey coastal plain. West Trenton, N.J: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Pope, Daryll A. Simulation of ground-water flow and movement of the freshwater-saltwater interface in the New Jersey coastal plain. West Trenton, N.J: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Taniguchi, Makoto. Groundwater and subsurface environments: Human impacts in Asian coastal cities. Dordrecht: Springer, 2011.

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10

Kasmarek, Mark C. Hydrogeology and simulation of ground-water flow and land-surface subsidence in the northern part of the Gulf Coast aquifer system, Texas. Reston, Va: U.S. Dept. of the Interior, U.S. Geological Survey, 2004.

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Book chapters on the topic "Coastal groundwater movement"

1

Stakelbeek, A. "Movement of Brackish Groundwater Near a Deep-Well Infiltration System in the Netherlands." In Seawater Intrusion in Coastal Aquifers — Concepts, Methods and Practices, 531–41. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-017-2969-7_15.

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2

Zhao, Ying, Ji Qi, Qiuli Hu, and Yi Wang. "The “Groundwater Benefit Zone”, Proposals, Contributions and New Scientific Issues." In Soil Science - Emerging Technologies, Global Perspectives and Applications [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.100299.

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The groundwater has great potential for water resource utilization, accounting for about a quarter of vegetation transpiration globally and contributing up to 84% in shallow groundwater areas. However, in irrigated agricultural regions or coastal areas with shallow groundwater levels, due to the high groundwater salinity, the contribution of groundwater to transpiration is small and even harmful. This paper proposes a new conception of groundwater benefit zone in the groundwater-soil–plant-atmosphere continuum (GSPAC) system. Firstly, it analyzes the mutual feedback processes of the underground hydrological process and aboveground farmland ecosystem. Secondly, it elaborates on the regional water and salt movement model proposed vital technologies based on the optimal regulation of the groundwater benefit zone and is committed to building a synergy that considers soil salt control and groundwater yield subsidies. Finally, based on the GSPAC system water-salt coupling transport mechanism, quantitative model of groundwater benefit zone, and technical parameters of regional water-salt regulation and control, the scientific problems and development opportunities related to the conception of groundwater benefit zone have been prospected.

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