Searched for: subject%3A%22Groundwater%22
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Araya-Obando, José Andrés (author), Rietveld, L.C. (author), Kelly-Coto, Daniel E. (author), Quesada-González, Andrea (author), Caballero-Chavarría, Andrey (author), Romero-Esquivel, Luis G. (author)
Biofilters are effectively used for drinking water treatment. However, the long ripening time of virgin media for manganese (Mn) removal is a major concern. In this study, the influence of the flow regime on the ripening time of virgin pumice medium was investigated. For this purpose, pilot-scale experiments were performed to compare the...
journal article 2023
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Potter, Estela Fernandes (author), Monney, Isaac (author), Rutten, M.M. (author)
Groundwater use has significantly increased in the rapidly urbanising city of Kumasi, Ghana. But there is a lack of understanding of whether the groundwater system can sustain the growing demand in the future amidst climate change and rapid urbanisation. Using remote sensing datasets and a water balance approach, this study estimated the...
journal article 2023
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Li, Bin (author), Zheng, Yi (author), Di Baldassarre, Giuliano (author), Xu, Peng (author), Pande, S. (author), Sivapalan, Murugesu (author)
Groundwater depletion has become increasingly challenging, and many cities worldwide have adopted drastic policies to relieve water stress due to socioeconomic growth. Located on the declining aquifer of the North China Plain, Beijing, for example, has developed plans to limit the size of the city’s population. However, the effect of...
journal article 2023
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Mohamed, Ahmed (author), Asmoay, Ahmed (author), Alshehri, Fahad (author), Abdelrady, Ahmed (author), Othman, Abdullah (author)
Thirty groundwater samples were taken from Assiut’s northern outskirts. The physicochemical properties of these samples were investigated. For the evaluation of water–rock interaction, the saturation index (SI), chloro-alkaline indices (CAI1 and CAI2), Gibbs ratios for cations and anions (GC and GA), principal component analysis (PCA), and...
journal article 2022
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Mohamed, Ahmed (author), Abdelrahman, Kamal (author), Abdelrady, Ahmed (author)
In the Middle East, water shortage is becoming more and more serious due to the development of agriculture and industry and the increase in population. Saudi Arabia is one of the most water-consuming countries in the Middle East, and urgent measures are needed. Therefore, we integrated data from Gravity Recovery and Climate Experiment (GRACE)...
journal article 2022
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Mohamed, Ahmed (author), Al Deep, Mohamed (author), Othman, Abdullah (author), Taha, Ayman I. (author), Alshehri, Fahad (author), Abdelrady, Ahmed (author)
Saudi Arabia is seeking fresh groundwater resources to face the increase in anthropogenic activities. The groundwater storage variations and occurrence were investigated and the surface and subsurface structures influencing the groundwater resources in the research area were defined using a combined study of Gravity Recovery and Climate...
journal article 2022
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Brakenhoff, Davíd A. (author), Vonk, M.A. (author), Collenteur, Raoul A. (author), Van Baar, Marco (author), Bakker, M. (author)
In 2018–2020, meteorological droughts over Northwestern Europe caused severe declines in groundwater heads with significant damage to groundwater-dependent ecosystems and agriculture. The response of the groundwater system to different hydrological stresses is valuable information for decision-makers. In this paper, a reproducible, data-driven...
journal article 2022
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Ziere, Joost (author)
Due to climate change, a new water management policy is considered in the Netherlands. The shift towards greater extremes in both wet periods and dry periods requires a more dynamic policy. It is investigated what effect the placement of a permanent water barrier in the Rijnmond has on the water levels in the Rhine branches, and if this can be...
master thesis 2021
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Geertzen, Sander Geertzen (author)
Drought and subsidence are two out of several water-related urban climate adaptation challenges many cities in the Netherlands currently face. Drought is expected to increase in frequency and extent due to climate change. Therefore, drought is likely to further pressurize (subsiding) urban areas in the coming decades. Although the impact of...
master thesis 2021
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Ertsen, M.W. (author), Ngugi, K. N. (author)
This paper assesses the success of sand-storage dams in Kitui, Kenya—with “success” being considered to relate to the amount of water that dams can store, and the usability of the water in terms of access, quantity and quality. Building on a series of recent larger and smaller research projects, the paper sketches the complex interactions...
journal article 2021
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Xu, Yanghui (author), Ou, Q. (author), Jiao, Meng (author), Liu, G. (author), van der Hoek, J.P. (author)
Nanoplastics (NPs) are currently considered an environmental pollutant of concern, but the actual extent of NP pollution in environmental water bodies remains unclear and there is not enough quantitative data to conduct proper risk assessments. In this study, a pretreatment method combining ultrafiltration (UF, 100 kDa) with hydrogen peroxide...
journal article 2021
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Pan, Yutrao (author), Hicks, M.A. (author), Broere, W. (author)
Artificial barriers are widely used to prevent leakages. However, due to construction errors during the wall installation, passages with small dimensions may occasionally penetrate through the barrier, undermining its tightness. A three-dimensional discretized algorithm (TDA) is proposed for quantitatively estimating the transient-state...
journal article 2021
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van Dijk, Ruben (author), Streefkerk, Ileen (author), Schuurman, Ludo (author), van 't Klooster, Floris (author), Mc Gregor, Julia (author)
This study investigates the many dynamics of the Manyame Catchment and comes up with recommendations on how to adapt or become more resilient to the risks at hand. The bad politics and forthcoming economic situation of Zimbabwe has led to instability and dramatic inflation over the last decade. This has resulted in a terrible investment climate,...
student report 2019
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Amaranto, A. (author), Munoz-Arriola, F. (author), Solomatine, D.P. (author), Corzo, G. (author)
The aim of this paper is to improve semiseasonal forecast of groundwater availability in response to climate variables, surface water availability, groundwater level variations, and human water management using a two-step data-driven modeling approach. First, we implement an ensemble of artificial neural networks (ANNs) for the 300 wells...
journal article 2019
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Panteli, Nefeli (author)
In a Borehole Thermal Energy Storage (BTES) system, heat is extracted from or injected to the subsurface, taking advantage of the relatively constant temperatures of the underground. Both thermal conduction and advection can influence the performance of BTES systems, but thermal advection is often neglected in the design process. However, in...
master thesis 2018
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Gomes, S.L. (author), Hermans, L.M. (author), Islam, Kazi Faisal (author), Huda, Sheikh Nazmul (author), Hossain, ATM Zakir (author), Thissen, W.A.H. (author)
Peri-urban areas in the global south are experiencing over-exploitation and contamination of water resources as a result of rapid urbanisation. These problems relate to the ineffectiveness of the underlying institutions in this dynamic, multi-actor context. Institutions need to be considered during problem solving; however, peri-urban...
journal article 2018
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Panteli, Nefeli (author)
Sand replenishments, or nourishments, have been the prevalent strategy of the Netherlands for coastal protection since 1990. In consideration of the expected sea level rise and potential increases of storm surges as a result of climate change, an innovative pilot project known as the ‘Sand Engine’ has been implemented. In contrast with...
student report 2017
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Huijzendveld, T. (author)
master thesis 2017
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Azizi, Ali (author), Ghorbani, Amineh (author), Malekmohammadi, Bahram (author), Jafari, Hamid Reza (author)
Although mismanagement of groundwater resources has resulted in their destruction over centuries, climate change is speeding up this process more than ever. On the one hand, urgent action by government bodies is needed to address the challenge. On the other hand, a vast body of literature proves that bottom-up collective action, although...
journal article 2017
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Sanchez Torres, L.D. (author)
The use of upflow gravel filtration (UFG) is relevant for water supply systems in rural areas and small towns in Colombia, because water quality from surface sources is changing due to the deterioration of watersheds caused by deforestation, erosion, and the discharge of untreated wastewater. These changes are intensified by the effects of...
doctoral thesis 2016
Searched for: subject%3A%22Groundwater%22
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