Letteratura scientifica selezionata sul tema "Aquifers"

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Articoli di riviste sul tema "Aquifers"

1

Wu, Ming-Chang, and Ping-Cheng Hsieh. "Influence of nonuniform recharge on groundwater flow in heterogeneous aquifers." AIMS Mathematics 8, no. 12 (2023): 30120–41. http://dx.doi.org/10.3934/math.20231540.

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<abstract><p>The composition of soils in aquifers is typically not homogeneous, and soil layers may be cracked or displaced due to geological activities. This heterogeneity in soil distribution within aquifers affects groundwater flow and water level variations. In the present study, we established a two-dimensional (2D) mathematical model that considers the influence of surface recharge on groundwater flow in heterogeneous sloping aquifers. By considering temporal variations in surface recharge, slope angle and aquifer heterogeneity, the simulated results are expected to better re
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Hera-Portillo, África de la, Julio López-Gutiérrez, Beatriz Mayor, et al. "An Initial Framework for Understanding the Resilience of Aquifers to Groundwater Pumping." Water 13, no. 4 (2021): 519. http://dx.doi.org/10.3390/w13040519.

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Groundwater stored in aquifers experiences a wide variety of natural, induced and/or anthropogenic disturbances. Among them, groundwater extraction is the main disturbance that affects most of the aquifers in the world. Aquifer’s resilience, understood as the potential of the aquifer to sustain disturbances on the long term and to guarantee essential qualities and functions, provides a key tool when assessing sustainable groundwater management alternatives. The aim of this work is to illustrate an aquifer resilience framework that can support groundwater sustainable management. A theoretical f
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Maulana, Fivry Wellda, and Arie Noor Rakhman. "Aplikasi Geofisika Terpadu Untuk Penelitian Potensi Air Tanah Aquifer Batu Pasir Di Alasombo, Indonesia." Jurnal Multidisiplin Madani 2, no. 1 (2022): 511–24. http://dx.doi.org/10.54259/mudima.v2i1.418.

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The purpose of this study was to determine the potential of groundwater in Alasombo, Weru District, Sukoharjo Regency, Indonesia. The investigation has been carried out using geophysical methods that are integrated with surface geological data to obtain an interpretation of the hydrogeological control of the aquifer. The lithology of the aquifer is dominated by sandstone which controls its role as 2 types of aquifers, namely unconfined aquifers or free aquifers and semi-confined aquifers or semi-free aquifers. The geoelectrical section shows that the groundwater-carrying layer that functions a
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Luo, Zhaoyang, Jun Kong, Chengji Shen, et al. "Effects of aquifer geometry on seawater intrusion in annulus segment island aquifers." Hydrology and Earth System Sciences 25, no. 12 (2021): 6591–602. http://dx.doi.org/10.5194/hess-25-6591-2021.

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Abstract. Seawater intrusion in island aquifers was considered analytically, specifically for annulus segment aquifers (ASAs), i.e., aquifers that (in plan) have the shape of an annulus segment. Based on the Ghijben–Herzberg and hillslope-storage Boussinesq equations, analytical solutions were derived for steady-state seawater intrusion in ASAs, with a focus on the freshwater–seawater interface and its corresponding watertable elevation. Predictions of the analytical solutions compared well with experimental data, and so they were employed to investigate the effects of aquifer geometry on seaw
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Tsepav, Matthew Tersoo, Aliyu Yahaya Badeggi, Obaje Nuhu George, Usman Yusuf Tanko, and Ibrahim Samuel Ibbi. "On the Use of Electrical Resistivity Method in Mapping Potential Sources and Extent of Pollution of Groundwater Systems in Lapai Town, Niger State, Nigeria." Journal of Physics: Theories and Applications 5, no. 1 (2021): 18. http://dx.doi.org/10.20961/jphystheor-appl.v5i1.51563.

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<p>Electrical resistivity method employing the Schlumberger array was used to occupy forty four (44) vertical electrical sounding points in Lapai town with the aim of determining the depth to aquifers, aquifer thicknesses and aquifer protective capacity. The G41 Geotron resistivity meter was used in obtaining the apparent resistivity data which was processed using Interpex 1XD resistivity interpretation software. The results revealed four lithologic sections which include top lateritic soil, sandy clay, fractured basement and fresh basement. Both confined and unconfined aquifers were ide
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Zhang, Yi, and Dong Ming Guo. "Temperature Field of Single-Well Aquifer Thermal Energy Storage in Sanhejian Coal Mine." Advanced Materials Research 415-417 (December 2011): 1028–31. http://dx.doi.org/10.4028/www.scientific.net/amr.415-417.1028.

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The technology of aquifer thermal energy storage(ATES) is an energy-saving technology which can provide a solution to energy shortages and resources expasion. The first key point of this technology is whether the aquifer can be use to store energy. In this paper, taking Sanhejian Coal Mine as an example, we choose Quaternary upper loose sandy porosity confined aquifer to bottom clayed glavel porosity confined aquifer as aquifers thermal energy storage, to discuss whether the aquifers can be used to store energy. The simulation results of aquifer temperature field show that the selected aquifer
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Salvador, N., J. P. Monteiro, R. Hugman, T. Y. Stigter, and E. Reis. "Quantifying and modelling the contribution of streams that recharge the Querença-Silves aquifer in the south of Portugal." Natural Hazards and Earth System Sciences 12, no. 11 (2012): 3217–27. http://dx.doi.org/10.5194/nhess-12-3217-2012.

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Abstract. The water balance of the mesocenozoic aquifers of the Algarve, in the south of Portugal has traditionally been estimated considering only direct ("autogenic") recharge from rainfall occurring in the area of the aquifers. Little importance has been attributed to so-called allogenic recharge, originating from streambed infiltration from runoff generated outside the aquifers, particularly in the Palaeozoic rocks to the north where runoff is high. The Querença-Silves (QS) aquifer is the most important aquifer of the region both for irrigation and public water supply. Several important an
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Zhang, Yi, and Dong Ming Guo. "Temperature Field of Doublet-Wells Aquifer Thermal Energy Storage in Sanhejian Coal Mine." Advanced Materials Research 430-432 (January 2012): 746–49. http://dx.doi.org/10.4028/www.scientific.net/amr.430-432.746.

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Utilizating of tube-well irrigation, the technology of aquifer thermal energy storage (ATES) store rich cold energy in winter and cheap warm energy in summar into aquifers seasonally. In this paper, taking Sanhejian Coal Mine as an example, we discuss that with the same pumping and irrigation flow in doublet wells, distribution and change of temperature field in aquifers both at the end of energy storage and after the period of no pumping and no irrigation. The simulation results of aquifer temperature field show that 2~10°C water body of aquifers is decreasing in the period of no pumping and
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Li, Chengsong, Jie Fang, Feisheng Feng, Tingting Yao, Yongping Shan, and Wanli Su. "Differential Evolution in Hydrochemical Characteristics Amongst Porous, Fissured and Karst Aquifers in China." Hydrology 12, no. 7 (2025): 175. https://doi.org/10.3390/hydrology12070175.

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The efficacy of water resource management and protection hinges on a profound understanding of the controlling factors and regulatory mechanisms that shape groundwater chemistry within aquifers. Despite this, our comprehension of how groundwater chemistry and ion sources vary across diverse aquifer types remained limited. To bridge this gap, our study conducted a detailed hydrochemical and statistical investigation of porous, fissured, and karst aquifers. By applying multivariate statistical techniques, including principal component analysis (PCA) and hierarchical cluster analysis (HCA), the h
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Tapia-Villaseñor, Elia M., Sharon B. Megdal, and Eylon Shamir. "Prioritizing Transboundary Aquifers in the Arizona–Sonora Region: A Multicriteria Approach for Groundwater Assessment." Water 17, no. 3 (2025): 443. https://doi.org/10.3390/w17030443.

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Groundwater is vital to the well-being of over 20 million people in the nearly 2000-mile-long, arid U.S.–Mexico border region, supporting agricultural, industrial, domestic, and environmental needs. However, persistent droughts over the past two decades, coupled with increasing water demand and population growth, have significantly strained water resources, threatening the region’s water security. These challenges highlight the importance of comprehensive transboundary aquifer assessments, such as those conducted through the Transboundary Aquifer Assessment Program (TAAP), a collaborative effo
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Tesi sul tema "Aquifers"

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Chen, Yiming. "Aquifer storage and recovery in saline aquifers." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/52266.

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Aquifer storage and recovery (ASR) is a particular scheme of artificial recharge of groundwater by injecting fresh water into aquifers and subsequently recovering the stored water during times of peak demand or extended drought. In the era of combating climate change, ASR, as an effective means for water reuse and sustainable management of water resources in concert with the natural environment, represents a huge opportunity for climate change adaptation to mitigate water availability stress.The success of an ASR scheme is quantified by the recovery efficiency (RE), defined as the volume of st
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Artiola, Janick. "Arizona Aquifers." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2013. http://hdl.handle.net/10150/298168.

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Video is available on the UofAZCALS YouTube channel.<br>About 5% of Arizona's population depends on private wells for fresh water and more than 40% of our annual water use comes from Arizona's aquifers. Following a brief introduction to regulations, requirements and equipment used for drilling a private well in Arizona, this video presents the geologic origins of Arizona's aquifer materials with illustrations and pictures of AZ aquifers. Finally, aquifers are ranked by their ability to store and produce water.
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Payne, Scott Marshall. "Classification of aquifers." Diss., [Missoula, Mont.] : The University of Montana, 2010. http://etd.lib.umt.edu/theses/available/etd-03082010-112041.

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Sun, Xiaobin. "Testing and evaluation of artesian aquifers in Table Mountain Group aquifers." University of the Western Cape, 2014. http://hdl.handle.net/11394/4369.

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Philosophiae Doctor - PhD<br>The Table Mountain Group (TMG) Aquifer is a huge aquifer system which may provide large bulk water supplies for local municipalities and irrigation water for agriculture in the Western Cape and Eastern Cape Provinces in South Africa. In many locations, water pressure in an aquifer may force groundwater out of ground surface so that the borehole drilled into the aquifer would produce overflow without a pump. Appropriate testing and evaluation of such artesian aquifers is very critical for sound evaluation and sustainable utilization of groundwater resources in the T
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Wendelborn, Anke. "Zinc and copper behaviour during stormwater aquifer storage and recovery in sandy aquifers." Monash University. Faculty of Engineering. Department of Civil Engineering, Institute for Sustainable Water Resources, 2008. http://arrow.monash.edu.au/hdl/1959.1/68715.

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In the light of increasing demand and diminishing supplies a sustainable urban water management for Melbourne and other cities will need to include water recycling and reuse of reclaimed water and stormwater. One key issue in stormwater reuse is the need for storage between times of collection until times of demand. Aquifer storage and recovery (ASR) would be a valuable option as it has limited space requirements and restricts loss from evaporation. However, stormwater commonly contains elevated levels of heavy metals, of which Zn and Cu are the most mobile. Stormwater also contains suspended
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Shamsudduha, Mohammad. "Mineralogical and geochemical profiling of arsenic-contaminated alluvial aquifers in the Ganges-Brahmaputra floodplain, Minikganj, Bangladesh." Auburn, Ala., 2007. http://repo.lib.auburn.edu/2007%20Spring%20Theses/SHAMSUDDUHA_MOHAMMAD_47.pdf.

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Williams, David G. "Whole aquifer system management: the northeast floridan aquifer system under an interstate compact." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/30907.

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Park, Chan-Hee. "Saltwater Intrusion in Coastal Aquifers." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4857.

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Utilizing the analytical solution of the steady state sharp interface saltwater intrusion model in coastal aquifers, a multi-objective optimization formulation of pumping rates and well locations in a coastal aquifer is formulated to solve problems in water management practice. The proposed optimization problem uses progressive genetic algorithm technique and the method developed is applied to the previous work of Cheng et al. [2000]. Through this analysis, several other applications are provided to demonstrate the use of the model in practical applications. This work is the first to optimize
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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 t
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Halihan, Todd. "Permeability structure in fractured aquifers /." Digital version accessible at:, 2000. http://wwwlib.umi.com/cr/utexas/main.

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Libri sul tema "Aquifers"

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Pyne, R. David G. Groundwater recharge and wells: A guide to aquifer storage recovery. Lewis Publishers, 1995.

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Cook, Marlon R. The Eutaw aquifer in Alabama. Geological Survey of Alabama, Hydrogeology Division, 1993.

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Johnston, Richard H. Summary of the hydrology of the Floridan aquifer system in Florida and in parts of Georgia, South Carolina, and Alabama. U.S. G.P.O., 1988.

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Clark, Allan K. Geologic framework of the Edwards aquifer and upper confining unit, and hydrogeologic characteristics of the Edwards aquifer, south-central Uvalde County, Texas. U.S. Geological Survey, 1997.

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Johnston, Richard H. Summary of the hydrology of the Floridan aquifer system in Florida and in parts of Georgia, South Carolina, and Alabama. U.S. Dept. of the Interior, 1988.

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Clark, Allan K. Geologic framework of the Edwards aquifer and upper confining unit, and hydrogeologic characteristics of the Edwards aquifer, south-central Uvalde County, Texas. U.S. Geological Survey, 1997.

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Clark, Allan K. Geologic framework of the Edwards aquifer and upper confining unit, and hydrogeologic characteristics of the Edwards aquifer, south-central Uvalde County, Texas. U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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Ashworth, John B. Aquifers of Texas. Texas Water Development Board, 1995.

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Haarhoff, Dorian. Aquifers and dust. Justified Press, 1994.

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Aucott, Walter R. Selected aquifer-test information for the Coastal Plain aquifers of South Carolina. U.S. Dept. of the Interior, Geological Survey, 1986.

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Capitoli di libri sul tema "Aquifers"

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Kukuric, Neno, Jac van der Gun, Slavek Vasak, et al. "Transboundary Aquifers." In Transboundary Water Resources Management. Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527636655.ch4.

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Sindalovskiy, Leonid N. "Confined Aquifers." In Aquifer Test Solutions. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-43409-4_1.

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Sindalovskiy, Leonid N. "Unconfined Aquifers." In Aquifer Test Solutions. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-43409-4_2.

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Sindalovskiy, Leonid N. "Leaky Aquifers." In Aquifer Test Solutions. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-43409-4_3.

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Alsharhan, Abdulrahman S., and Zeinelabidin E. Rizk. "Gravel Aquifers." In Water Resources and Integrated Management of the United Arab Emirates. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-31684-6_11.

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Alsharhan, Abdulrahman S., and Zeinelabidin E. Rizk. "Limestone Aquifers." In Water Resources and Integrated Management of the United Arab Emirates. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-31684-6_9.

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Nimmo, John, David A. Stonestrom, and Richard W. Healy. "Aquifers: Recharge." In Fresh Water and Watersheds. CRC Press, 2020. http://dx.doi.org/10.1201/9780429441042-3.

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Price, Michael. "More about aquifers." In Introducing Groundwater. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4615-1811-2_7.

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Sindalovskiy, Leonid N. "Horizontally Heterogeneous Aquifers." In Aquifer Test Solutions. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-43409-4_4.

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Dhiman, S. C. "Rejuvenation of Aquifers." In Springer Water. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-2700-1_10.

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Atti di convegni sul tema "Aquifers"

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Claassen, Dale, and Mike Ames. "Deep Anode Bed in a Flowing Artesian Aquifer." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-08882.

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Abstract The Las Vegas Valley Water District needed to install a deep anode bed in a location with a flowing artesian situation. Research found several costly and time consuming options that were not acceptable. A new, patented technology was adapted for the situation that would allow the abode bed to be installed in an active flowing artesian condition. The installation was successful and succeeded in simultaneous installation of the backfill and sealing the aquifer. The result was a low resistance anode bed, sealing of a flowing artesian aquifer, and prevention of contamination of shallower
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Wang, Bo, Xiangzeng Wang, Yiming Chen, Quansheng Liang, and Fanhua Zeng. "A Review-Dissolution and Mineralization Storage of CO2 Geological Storage in Saline Aquifers." In SPE Canadian Energy Technology Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/212790-ms.

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Abstract Saline aquifer has become the preferred storage location of carbon capture, and storage (CCS) technology because of its wide distribution, large storage capacity and high safety factor. According to IPCC statistics, the storage capacity of saline aquifers worldwide is 400 – 10000 Gt, which is dozens of times that of oil and gas reservoirs and hundreds of times that of coal seams. Therefore, the carbon storage in saline aquifer has the most potential for CO2 storage. Carbon sequestration in saline aquifers includes four trapping mechanisms: short-term geological and hydrodynamic captur
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Dayani, D. A., W. Wilopo, and I. Azwartika. "GEOELECTRIC METHODS FOR GROUNDWATER EXPLORATION IN THE FOOD ESTATE AREA OF CENTRAL SUMBA REGENCY, EAST NUSA TENGGARA, INDONESIA." In 7th International Conference on Sustainable Built Environment. Universitas Islam Indonesia, 2023. http://dx.doi.org/10.20885/icsbe.vol2.art12.

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Groundwater is one water source to meet the needs of humans, animals, and plants. The groundwater potential of an area is usually difficult to determine because it is below the [1]surface. The Indonesian government has a program to develop a food estate in Central Sumba Regency; however, the availability of surface irrigation water is limited. Therefore, the assessment of groundwater potential was conducted. In this study, the evaluation of groundwater potential was carried out using geophysical methods and a hydrogeological survey. The resistivity of subsurface rocks was measured in 20 VES po
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Muñoz Mazo, E. O., C. L. Delgadillo Aya, C. Espinosa Leon, et al. "Multilateral Wells to Control Water Inflow in Reservoir Connected to Active Underlying Aquifers: A Technical and Economic Analysis." In SPE Latin American and Caribbean Petroleum Engineering Conference. SPE, 2023. http://dx.doi.org/10.2118/213111-ms.

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Abstract In formations with good storage and flow capacity connected to underlying aquifers with strong water intrusion due to the absence of geological seals, conventional primary or enhanced production techniques do not seem to solve the aquifer's water encroachment problem. This work presents the technical and economic analysis of the use of wells with multilateral architectures as an alternative to overcome the uncontrolled water inflow from active aquifers and its consequences on oil productivity. To analyze the production options of an area with strong water influx in a Colombian field,
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Ferreira, J., M. C. Cunha, J. Vieira, and J. P. Monteiro. "Optimized exploitation of aquifers: application to the Querença-Silves aquifer system." In WATER RESOURCES MANAGEMENT 2009. WIT Press, 2009. http://dx.doi.org/10.2495/wrm090011.

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Ren, Bo, Jerry Jensen, Ian Duncan, and Larry Lake. "Buoyant Flow of H2 Versus CO2 in Storage Aquifers." In SPE Annual Technical Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/210327-ms.

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Abstract Hydrogen will play an important role in the quest to decarbonize the world’s economy by substituting fossil fuels. In addition to the development of hydrogen generation technologies, the energy industry will need to increase hydrogen storage capacity to facilitate the development of a robust hydrogen economy. The required hydrogen storage capacity will be much larger than current hydrogen and natural gas storage capacities. There are a several geological storage options for hydrogen that include depleted hydrocarbon fields and aquifers, where more research is needed until the feasibil
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Grutters, Mark, Saloua Tiar, Avnish Kumar Mathur, et al. "Unlocking Oil Production Through Debottlenecking Water Facilities by Implementation of a Novel PWRI Solution." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216345-ms.

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Abstract An onshore oilfield producing 260 MBD from carbonate reservoirs has been facing production constraints, due to increasing water cut and produced water (PW) disposal limitations caused by surface flow line integrity issues. Traditionally, PW is disposed in water aquifers without treatment other than water settling tanks. Aquifer water is used for reservoir pressure maintenance. To reduce the water disposal volumes and hence debottleneck oil production, and to limit the intake of water from environmentally sensitive aquifers it was evaluated if PW could replace aquifer water for injecti
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Moridis, G. J., M. T. Reagan, T. Huang, and T. A. Blasingame. "Analysis of the Performance of Horizontal Wells in the Long-Term CO2 Sequestration in Saline Aquifers." In SPE Europe Energy Conference and Exhibition. SPE, 2024. http://dx.doi.org/10.2118/220055-ms.

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Abstract The objectives of this study are (a) to analyze the CO2 sequestration performance of horizontal wells in saline aquifers during both the injection period and the subsequent long ‘rest’ period of inactivity, (b) to investigate the potential impact of salinity on the well injectivity, (c) to evaluate the effects of key well and aquifer properties, system conditions, and injection practices, and (d) compare the sequestration performance of horizontal wells to that of vertical wells. The study accounts for all known non-isothermal multiphase flow and transport processes associated with CO
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Pearce, J. K., H. Hofmann, K. Baublys, et al. "Methods for Differentiating Methane and Carbon Dioxide Sources in Aquifers Overlying Gas Reservoirs or Associated with CO2 Storage Sites." In Asia Pacific Unconventional Resources Symposium. SPE, 2023. http://dx.doi.org/10.2118/217301-ms.

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Abstract Understanding the sources of gases, including methane and carbon dioxide, and their concentrations and isotopic signatures in aquifer groundwater is important in regions where gas, coal or oil are extracted. It is also important where CO2 or other gases are stored or planned to be stored geologically. Methane and CO2 can exist naturally in an aquifer, for example when generated by microbial processes. Aquifer groundwater is often extracted by a variety of overlapping users for agriculture, stock, town and domestic water supply as well as by industries including mines and energy. Water
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Shariatipour, S. M., G. E. Pickup, and E. J. Mackay. "The Impact of Aquifer/Caprock Morphology on CO2 Storage in Saline Aquifers." In 3rd EAGE International Conference on Fault and Top Seals. EAGE Publications BV, 2012. http://dx.doi.org/10.3997/2214-4609.20143049.

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Rapporti di organizzazioni sul tema "Aquifers"

1

Hanson, A. E. H., and J. I. LaFave. Manganese concentrations in Montana's groundwater. Montana Bureau of Mines and Geology, 2022. http://dx.doi.org/10.59691/aauy5468.

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Abstract (sommario):
This report describes the overall Mn concentrations in Montana’s principal aquifers. Statistical relationships between Mn and other aquifer variables are also discussed. An excel file with the dataset is provided as an appendix.
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2

Fan, Mingyuan. Managed Aquifer Recharge in Mongolia: Policy Recommendations and Lessons Learned from Pilot Applications. Asian Development Bank, 2023. http://dx.doi.org/10.22617/brf230405-2.

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Abstract (sommario):
This brief shares lessons from pilot projects to replenish Mongolia’s aquifers to help offset rising demand for water as climate change threatens to worsen shortages. It notes that Mongolia relies on groundwater for 90% of its water supplies and assesses three managed aquifer recharge (MAR) projects. These rely either on injection wells, surface water spreading, or enhancing natural recharge processes. It recommends Mongolia continues researching managed aquifer recharge, and shows how technical, institutional, and financial support could help harness MAR’s potential to provide vital solutions
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3

Slattery, S. R., P. J. Barnett, A. J. M. Pugin, et al. Tunnel-channel complexes in the Zephyr area, Ontario: potential high-yield aquifers. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331410.

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Abstract (sommario):
In south-central Ontario, tunnel channels are primary targets for groundwater exploration due to their potential to contain confined, water-bearing, coarse-grained sediment fills. Despite extensive hydrogeologic and geologic exploration within these features, a comprehensive depositional model that illustrates the spatial distribution of coarse- and fine- grained sediment in tunnel-channel complexes is absent. Work in the Zephr area, north of ORM, presents new subsurface data to improve understanding of this geologic setting and to add to geologic models of these channel systems. Findings resu
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4

Schlossnagle, Trevor H., and Torri Duncan. Analysis of Septic-Tank Density for Rockville, Washington County, Utah. Utah Geological Survey, 2024. http://dx.doi.org/10.34191/ri-288.

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Abstract (sommario):
Rockville is a small rural town in southwestern Utah that is experiencing an increase in residential development. New developments in rural areas often use septic tank soilabsorption systems for wastewater disposal, although there is potential to utilize an existing community sewer system. Because potential future septic-tank systems may overlie the principal drinking water aquifer for Rockville, city off icials asked the Utah Geological Survey to conduct a septictank density analysis. The purpose of our study is to provide tools for water-resource management and land-use planning. In this stu
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5

TROJER, Mathias, and Stephan MATTHAI. CO2 migration in saline aquifers. Cogeo@oeaw-giscience, 2011. http://dx.doi.org/10.5242/iamg.2011.0102.

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6

Halliwell, D. R., S. Vanderburgh, B. D. Ricketts, and L. E. Jackson. Unconfined aquifers, Fraser River Basin. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1993. http://dx.doi.org/10.4095/184136.

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7

Jiang, Xiaowei, and John Cherry. History and Hydraulics of Flowing Wells. The Groundwater Project, 2023. http://dx.doi.org/10.21083/cpet1503.

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Abstract (sommario):
Because flowing wells are spectacular visual evidence of groundwater occurrence, they became the impetus for both qualitative and quantitative groundwater science. The pursuit of answers to fundamental questions generated by flowing wells in confined aquifers bounded by aquitards moved the science forward for more than a century until pumping became the main form of groundwater development. Since the turn of the 20th century, flowing wells in unconfined aquifers were an impetus for the paradigm shift from aquitard-bound flow to cross-formational flow driven by topography. In this book, the his
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8

Russell, H. A. J. Archetypal aquifers and Canada 1 water. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/329827.

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9

Edinberg, Sara C. Hydrogeologic framework of the upper Yellowstone River Valley, Park County, Montana. Montana Bureau of Mines and Geology, 2024. http://dx.doi.org/10.59691/edpk6554.

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10

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

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Abstract (sommario):
A hydrostratigraphic framework has been developed for southern Ontario consisting of 15 hydrostratigraphic units and 3 regional hydrochemical regimes. Using this framework, the 54 layer 3-D lithostratigraphic model has been converted into a 15 layer 3-D hydrostratigraphic model. Layers are expressed as either aquifer or aquitard based principally on hydrogeologic characteristics, in particular the permeability and the occurrence/absence of groundwater when intersected by a water well or petroleum well. Hydrostratigraphic aquifer units are sub-divided into up to three distinct hydrochemical reg
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