Academic literature on the topic 'SW-GW interactions'

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Journal articles on the topic "SW-GW interactions"

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Akhtar, Naseem, Muhammad I. Syakir, Mardiana Idayu Ahmad, et al. "Upscaling of Surface Water and Groundwater Interactions in Hyporheic Zone from Local to Regional Scale." Water 14, no. 4 (2022): 647. http://dx.doi.org/10.3390/w14040647.

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The groundwater (GW) and surface water (SW) interaction (SW-GW) through the hyporheic zone is a significant component in sustainable water resource management. The complexities in SW-GW interactions increase from a local to a regional scale and are affected by variation in hydraulic, hydrologic, and hydrogeologic (3H) processes. Controlling factors and their upscaling of these processes to assess SW-GW interaction have not been addressed sufficiently in previous studies. Additionally, it is unclear what the effective factors are at different scales during the upscaling. Therefore, the present
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Fleckenstein, Jan. "Groundwater – surface water interactions revisited." ARPHA Conference Abstracts 8 (May 28, 2025): e148484. https://doi.org/10.3897/aca.8.e148484.

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Interactions between groundwater (GW) and surface water (SW) have been a focus of hydrologic research for some time. Seminal early work by Toth (1963) and later Winter (1999) had shown the existence of nested GW flow systems and stressed that surface water bodies are integral parts of these flow systems. Despite this early, integral perspective, a simpler perception of GW and SW as two distinct compartments, which interact via some often loosely defined transfer mechanisms, still prevails. This perception can be found in many hydrologic models, but can be misleading, as it implies the existenc
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Li, Mingqian, Xiujuan Liang, Changlai Xiao, and Yuqing Cao. "Quantitative Evaluation of Groundwater–Surface Water Interactions: Application of Cumulative Exchange Fluxes Method." Water 12, no. 1 (2020): 259. http://dx.doi.org/10.3390/w12010259.

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Interactions between groundwater and surface water (GW-SW interactions) play a crucial role in the hydrological cycle; thus, the quantification of GW-SW interactions is essential. In this study, a cumulative exchange fluxes method based on mass balance theory is proposed for a stream-aquifer system. This method determines the curve of cumulative fluxes through the water balance term, which can characterize GW-SW interactions, determine the amount of exchange fluxes, and reveal the dynamic process of interactions. This method is used in a reach of the Taizi River Basin, and the GW-SW interactio
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Justus, Billy. "Phosphorus Transport in the Mississippi Delta: Associations to Surface and Groundwater Interactions." Water 14, no. 18 (2022): 2925. http://dx.doi.org/10.3390/w14182925.

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Groundwater (GW) in the Mississippi Delta has some of the highest phosphorus (P) concentrations measured in the U.S. Chemical data collected from GW and surface water (SW) sites were compared to understand factors affecting P concentrations. Spatial instability in Delta GWs indicates that P sources vary. High P measurements in shallow wells near rivers, in shallow nested wells compared to deeper nested wells, and P fluctuations in wells over time suggest that the land surface may be a greater source of P in shallow groundwater than natural geological deposits. Widespread reducing conditions in
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Banerjee, Dolon, and Sayantan Ganguly. "A Review on the Research Advances in Groundwater–Surface Water Interaction with an Overview of the Phenomenon." Water 15, no. 8 (2023): 1552. http://dx.doi.org/10.3390/w15081552.

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Groundwater and surface water, though thought to be different entities in the past, are connected throughout the different landforms of the world. Despite being studied for quite some time, the interaction between groundwater and surface water (GW–SW) has received attention recently because of the heavy exploitation of both of these resources. This interaction is responsible for a phenomenon like contaminant transport, and understanding it helps to estimate the effects of climate change, land use on chemical behavior, and the nature of water. Hence, knowledge of GW–SW interactions is required
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Cai, Zizhao, Wenke Wang, Ming Zhao, Zhitong Ma, Chuan Lu, and Ying Li. "Interaction between Surface Water and Groundwater in Yinchuan Plain." Water 12, no. 9 (2020): 2635. http://dx.doi.org/10.3390/w12092635.

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The interaction of surface water (SW) and groundwater (GW) is becoming more and more complex under the effects of climate change and human activity. It is of great significance to fully understand the characteristics of regional SW–GW circulation to reveal the water circulation system and the effect of its evolution mechanism to improve the rational allocation of water resources, especially in arid and semi-arid areas. In this paper, Yinchuan Plain is selected as the study area, where the SW–GW interaction is intensive. Three typical profiles are selected to build two-dimensional hydrogeologic
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Sangeetha, K., Balaji Narasimhan, and R. Srinivasan. "A Coupled SWAT-AEM Modelling Framework for a Comprehensive Hydrologic Assessment." Water 14, no. 17 (2022): 2753. http://dx.doi.org/10.3390/w14172753.

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This study attempts to integrate a Surface Water (SW) model Soil and Water Assessment Tool (SWAT) with an existing steady-state, single layer, unconfined heterogeneous aquifer Analytic Element Method (AEM) based Ground Water (GW) model, named Bluebird AEM engine, for a comprehensive assessment of SW and GW resources and its management. The main reason for integrating SWAT with the GW model is that the SWAT model does not simulate the distribution and dynamics of GW levels and recharge rates. To overcome this issue, often the SWAT model is coupled with the numerical GW model (either using MODFL
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Zhang, Lu, Yunfeng Dai, Jin Lin, et al. "Evaluating Spatiotemporal Variations of Groundwater–Surface Water Interaction Using an Integrated Hydrological Model in Huashan Basin, China." Sustainability 14, no. 21 (2022): 14325. http://dx.doi.org/10.3390/su142114325.

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Quantifying the spatiotemporal variations of basin-scale surface water (SW)–groundwater (GW) interactions is vital for the conjunctive management of water resources in the basin. In this study, an integrated hydrological model (SWAT-MODFLOW) is used to simulate the SW–GW system in the Huashan Basin. The numerical model was calibrated and validated using the streamflow observations of the watershed outlet and the groundwater levels of the long-term monitoring wells from 2016 to 2020 in the study area. The model results show that the SWAT–MODFLOW can achieve a better fit for the streamflow disch
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Waseem, Muhammad, Jannik Schilling, Frauke Kachholz, and Jens Tränckner. "Improved Representation of Flow and Water Quality in a North-Eastern German Lowland Catchment by Combining Low-Frequency Monitored Data with Hydrological Modelling." Sustainability 12, no. 12 (2020): 4812. http://dx.doi.org/10.3390/su12124812.

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Achievements of good chemical and ecological status of groundwater (GW) and surface water (SW) bodies are currently challenged mainly due to poor identification and quantification of pollution sources. A high spatio-temporal hydrological and water quality monitoring of SW and GW bodies is the basis for a reliable assessment of water quality in a catchment. However, high spatio-temporal hydrological and water quality monitoring is expensive, laborious, and hard to accomplish. This study uses spatio-temporally low resolved monitored water quality and river discharge data in combination with inte
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Tigabu, Tibebe B., Paul D. Wagner, Georg Hörmann, and Nicola Fohrer. "Modeling the spatio-temporal flow dynamics of groundwater-surface water interactions of the Lake Tana Basin, Upper Blue Nile, Ethiopia." Hydrology Research 51, no. 6 (2020): 1537–59. http://dx.doi.org/10.2166/nh.2020.046.

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Abstract The Ethiopian government has selected Lake Tana basin as a development corridor due to its water resources potential. However, combined use of groundwater (GW) and surface water (SW) is still inadequate due to knowledge gaps about the flow dynamics of GW and SW. Mostly, there is no information about groundwater use. Therefore, this study aims to investigate the dynamics of GW-SW interactions on a spatio-temporal basis in three of the main catchments (Gilgelabay, Gumara and Ribb) that drain into Lake Tana. To this end, the SWAT-MODFLOW model, which is an integration of SWAT (Soil and W
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Dissertations / Theses on the topic "SW-GW interactions"

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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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Nzama, Stanley Mvuselelo. "Spatial and temporal assessment of groundwater-surface water interaction, Schoonspruit river catchment, North West, South Africa." Diss., 2016. http://hdl.handle.net/10500/22083.

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The study presents the spatio-temporal assessment of groundwater-surface water (GW-SW) interaction aspects in the Schoonspruit River catchment, North West of South Africa. The research study aimed at improving understanding of groundwater and surface water interaction through assessing its location and time when such interaction occurs. GW-SW interaction sites were identified using principal aquifer type characterization methods. The occurrence of the interaction was established using hydrochemistry methods and the effectiveness of the existing monitoring methods were evaluated in their consid
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Book chapters on the topic "SW-GW interactions"

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Jafari, Tina, Saman Javadi, and Anthony S. Kiem. "Integrated Simulation of Surfacewater-Groundwater (SW-GW) Interactions Using SWAT-MODFLOW (Case study: Shiraz Basin, Iran)." In Riverine Systems. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-87067-6_7.

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Akhtar, Naseem, Muhammad Izzuddin Syakir, Mohd Talha Anees, Abdul Qadir, and Mohamad Shaiful Yusuff. "Characteristics and Assessment of Groundwater." In Groundwater [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.93800.

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Groundwater system is very vital to humanity and the ecosystem. Aquifers are determined based on the absence or presence of water table positioning, that is, confined, unconfined, leaky aquifers and fractured aquifers. The objective of this chapter is to discuss the characteristic and assessment of groundwater within the scope of vertical distribution of GW, types of the aquifer system, types of SW-GW interface, and SW-GW interaction at both local and regional scales. The properties of the aquifer depend on the physical characteristics of the materials (porosity, permeability, specific yield,
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Conference papers on the topic "SW-GW interactions"

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Blanc, Théo, Philip Brunner, Rolf Kipfer, Matthias Brennwald, and Morgan Peel. "Gases as artificial tracers to study SW-GW interactions." In Goldschmidt2023. European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.19920.

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