Advances in Water Resources最新文献_第7页

A pore-scale numerical study of measuring residually trapped CO2 using partitioning tracers 利用分配示踪剂测量剩余捕获CO2的孔隙尺度数值研究

IF 4.2 2区环境科学与生态学 Q1 WATER RESOURCES

Advances in Water Resources

Pub Date : 2025-10-05 DOI: 10.1016/j.advwatres.2025.105142

H. Gao , N.K. Karadimitriou , D. Zhou , M. Fazio , H. Steeb , A.B. Tatomir , M. Sauter

Nonequilibrium partitioning caused by heterogeneous aquifers with complex non-aqueous phase entrapment configurations and high residual saturations can lead to inaccurate saturation estimates using a partitioning tracer test. This has been extensively investigated at the mesoscale or field scale. However, at a small scale (centimetres), the nonequilibrium partitioning can also be triggered by varying the local Péclet number even in homogeneous porous media. The effects of the nonequilibrium partitioning, induced by changes in the Péclet number, on moment and model-based analyses of breakthrough curve data are not yet fully understood. This study employs pore- and continuum-scale numerical simulations to investigate the nonequilibrium partitioning and transport of partitioning tracers at various Péclet numbers, residual saturations, and partitioning coefficients. The results suggest that the moment analysis is more accurate for the tests at small Péclet numbers, large distances between the injection and measurement locations, and small residual saturations. The characteristics of the breakthrough curves for the partitioning tracer strongly depend on the Péclet number. In non-equilibrium conditions, early concentration peaks, representing the fraction of the tracer that travels only in the aqueous phase, are observed. Moreover, the continuum-scale model-based analysis performs well for low partitioning coefficient conditions, with the partitioning mass transfer coefficient being linearly correlated to the Péclet number. In contrast, for high partitioning coefficients, the models are only matched by applying an effective partitioning coefficient, which depends on the residual saturation, the Péclet number, and the actual partitioning coefficient.

非平衡分配是由具有复杂非水相夹持构型和高残余饱和度的非均质含水层引起的，这可能导致使用分配示踪试验估算的饱和度不准确。这已经在中尺度或野外尺度上进行了广泛的研究。然而，在小尺度（厘米）下，即使在均匀多孔介质中，改变局部psamclet数也可以触发非平衡分配。由psamclet数变化引起的非平衡分配对突破曲线数据的矩和基于模型的分析的影响尚未完全了解。本研究采用孔隙尺度和连续尺度的数值模拟来研究在不同的passiclet数、剩余饱和度和分配系数下分配示踪剂的非平衡分配和转移。结果表明，在较小的psamclet数、较大的注射位置和测量位置之间的距离以及较小的残余饱和度的测试中，矩分析更为准确。分划示踪剂的突破曲线特征强烈依赖于psamclet数。在非平衡条件下，可以观察到早期浓度峰，即示踪剂仅在水相中传播的部分。此外，基于连续尺度模型的分析在低分配系数条件下表现良好，分配传质系数与psamclet数呈线性相关。相反，对于高分配系数，模型只能通过应用有效分配系数来匹配，有效分配系数取决于剩余饱和度、psamclet数和实际分配系数。

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引用次数: 0

A simplified integrated asset model for predicting liquid loading in gas wells with aquifer water influx 含含水层水侵气井液载预测的简化综合资产模型

IF 4.2 2区环境科学与生态学 Q1 WATER RESOURCES

Advances in Water Resources

Pub Date : 2025-10-05 DOI: 10.1016/j.advwatres.2025.105141

Zakarya Belimane , Mohamed Riad Youcefi , Abderrahmane Benbrik , Ahmed Hadjadj

This study presents a simplified Integrated Asset Model (IAM) specifically designed to address critical challenges in water management within hydrocarbon production systems, particularly the dynamic interaction between gas production and aquifer water influx. By focusing on the mechanisms that lead to liquid loading, often triggered by encroaching formation water, the model offers a novel approach to managing subsurface multiphase flow. The IAM integrates key components of inflow performance (IPR), tubing performance (TPR), aquifer and material balance equations within a pseudo-transient framework to simulate the well’s response to water-induced liquid accumulation. An advanced mechanistic multiphase wellbore model monitors important parameters such as liquid holdup, mixture density, flow regime transitions, and dimensionless Reynolds (Re) and Weber (We) numbers. The pseudo-transient nodal analysis iteratively updates these properties, allowing the model to capture the transient behavior in the presence of aquifer drive. The Firefly metaheuristic algorithm is employed to optimize system performance by identifying the equilibrium point at the bottomhole. The model reveals that slug flow at the bottomhole is a strong indicator of incipient liquid loading, thereby facilitating earlier detection and intervention. This approach enhances both the detection and prediction of liquid loading, improving water control strategies, gas lift planning, and production scheduling. Sensitivity analysis further shows that aquifer volume, compressibility, and productivity index (J) significantly promotes liquid accumulation. By accurately simulating the onset and behavior of liquid loading under aquifer support, this work contributes a valuable tool for proactive water management, optimized deliquification planning, and sustained well productivity in gas fields.

该研究提出了一种简化的综合资产模型（IAM），专门用于解决油气生产系统中水管理的关键挑战，特别是产气与含水层水流入之间的动态相互作用。通过关注导致液体加载的机制，该模型为管理地下多相流提供了一种新的方法。IAM将流入动态（IPR）、油管性能（TPR）、含水层和物质平衡方程的关键组成部分集成在一个伪瞬态框架内，以模拟井对水引起的液体积聚的响应。先进的机械多相井筒模型可监测重要参数，如含液率、混合物密度、流态转变以及无因次Reynolds （Re）和Weber （We）数。伪瞬态节点分析迭代更新这些属性，使模型能够捕获存在含水层驱动的瞬态行为。采用Firefly元启发式算法，通过识别井底平衡点来优化系统性能。该模型表明，井底段塞流是早期液体加载的一个强有力的指标，从而有助于早期发现和干预。该方法增强了对液体载荷的检测和预测，改进了控水策略、气举计划和生产调度。敏感性分析进一步表明，含水层体积、压缩性和产能指数(J)对液体聚集有显著促进作用。通过精确模拟含水层支撑下液体加载的开始和行为，这项工作为气田的主动水管理、优化液化规划和维持油井产能提供了有价值的工具。

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引用次数: 0

Experimental assessment of the effect of porous groin on flow hydrodynamics in a meandering compound channel 多孔腹股沟对曲流复合沟道流体力学影响的实验研究

IF 4.2 2区环境科学与生态学 Q1 WATER RESOURCES

Advances in Water Resources

Pub Date : 2025-10-04 DOI: 10.1016/j.advwatres.2025.105137

Hosna Shafaei , Kazem Esmaili , AliAsghar Beheshti

In study, effect of porous groins on flow hydrodynamics in a meandering compound channel was experimentally investigated. Porous groins constructed from gravel materials with porosity levels of 20 %, 40 % and 60 % were evaluated. A three-dimensional acoustic velocimeter (ADV) was used to measure the velocity components in (x, y, and z) directions at 45,000 points for three porous groins. The findings indicated that the structural porosity plays a key role in governing flow stability and stress distribution, making it a critical factor in the efficient design of flood control and sediment transport structures. Changes in the porosity of groins not only affect the magnitude of hydrodynamic parameters such as kinetic energy (TKE), Reynolds shear stress (RSS) and secondary flow power (S.F.P), but also play a significant role in altering the spatial distribution patterns of these parameters. The results showed that the maximum S.F.P,

T K E / U_{0}^{2}

,

u / U_{0}

,

v / U_{0}

and

w / U_{0}

at 20 % porosity were 15.8 %, 41 %, 17.39 %, 40 % and 30 % higher than those observed at porous groins of 40 %, respectively. In addition, they were and 37.5 %, 85 %, 35 %, 250 % and 73.33 % higher than those observed at porous groins of 60 %, respectively. The results of Reynolds shear stress for three groins showed that the maximum shear stress in groin with 60 % porosity is 66.67 % and 75 % higher than those with 40 % and 20 % porosities, respectively. Understanding the impact of porous groins on the complex hydrodynamics of flood flows in meandering compound channel is a crucial step towards developing effective strategies for erosion control, optimal flood management, and maintaining the stability of hydraulic structures under natural and extreme conditions.

实验研究了多孔腹沟对曲流复合沟道内流体力学的影响。对孔隙度分别为20%、40%和60%的砾石材料构建的多孔腹股沟进行了评价。利用三维声速计（ADV）测量了3个多孔腹股沟45000个点上（x、y、z）方向的速度分量。研究结果表明，结构孔隙度对水流稳定性和应力分布具有关键控制作用，是有效设计防洪输沙结构的关键因素。腹沟孔隙度的变化不仅会影响动能（TKE）、雷诺数剪应力（RSS）和二次流功率（S.F.P）等水动力参数的大小，而且会改变这些参数的空间分布规律。结果表明：孔隙率为20%时的最大S.F.P、TKE/U02、u/U0、v/U0和w/U0分别比孔隙率为40%时高15.8%、41%、17.39%、40%和30%；分别比多孔腹股沟处高37.5%、85%、35%、250%和73.33%。3个腹股沟的雷诺数剪应力结果表明：孔隙度为60%的腹股沟的最大剪应力分别比孔隙度为40%和20%的腹股沟高66.67%和75%；了解多孔腹沟对曲流复合河道复杂水动力的影响，是制定有效的侵蚀控制策略、优化洪水管理、维护自然和极端条件下水工结构稳定的关键一步。

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引用次数: 0

The pore-network-continuum modeling of two-phase flow properties for multiscale digital rocks 多尺度数字岩石两相流特性的孔隙-网络-连续体模型

IF 4.2 2区环境科学与生态学 Q1 WATER RESOURCES

Advances in Water Resources

Pub Date : 2025-10-04 DOI: 10.1016/j.advwatres.2025.105138

Bowen Shi , Jianqi Rong , Han Jiang , Bo Guo , S. Majid Hassanizadeh , Chao-Zhong Qin

Many subsurface formations and reservoirs exhibit multiscale and heterogeneous pore structures, such as soils, carbonate rocks, shales and tight sandstones. Understanding and predicting their two-phase flow properties are crucial to underground applications including contamination remediation, oil and gas recovery, and geological storage of carbon dioxide. For a multiscale digital rock, pores with a wide pore-size distribution spanning several orders of magnitude cannot be visualized in one image, due to the trade-off between image resolution and field of view. However, a large number of unresolved pores (i.e. microporosity) can challenge the modeling of flow and transport. We develop an efficient pore-network-continuum model (PNCM) for quasi-static two-phase flow in multiscale digital rocks. The resolved pores and microporosity are represented by a pore network and continuum grids, respectively. Instead of costly CT-based characterization, we propose to use the bimodal van Genuchten model of mercury intrusion capillary pressure to infer the pore-size distribution of heterogeneous microporosity. The PNCM is applied to a laminated sandstone with synthesized homogeneous microporosity and an Estaillades carbonate rock with heterogeneous microporosity. Both single-phase and two-phase flow properties including absolute permeability, formation factor, resistivity index, capillary pressure, and relative permeability are predicted and compared with experimental data. The good agreement demonstrates the robustness and reliability of the developed PNCM. Using the case studies, we illustrate how microporosity influences and determines two-phase flow properties.

许多地下地层和储层具有多尺度和非均质孔隙结构，如土壤、碳酸盐岩、页岩和致密砂岩。了解和预测它们的两相流特性对地下应用至关重要，包括污染修复、油气开采和二氧化碳的地质储存。对于多尺度数字岩石，由于图像分辨率和视场之间的权衡，无法在一张图像中显示跨越几个数量级的宽孔径分布的孔隙。然而，大量未解决的孔隙（即微孔隙）对流动和输运的建模提出了挑战。建立了多尺度数字岩石准静态两相流的有效孔隙-网络-连续介质模型（PNCM）。分解孔隙和微孔隙度分别用孔网和连续网格表示。我们建议使用汞侵入毛管压力的双峰van Genuchten模型来推断非均质微孔隙的孔径分布，而不是昂贵的ct表征。将PNCM应用于具有合成均质微孔的层状砂岩和具有非均质微孔的Estaillades碳酸盐岩。对绝对渗透率、地层系数、电阻率指数、毛管压力、相对渗透率等单相和两相流动特性进行了预测，并对实验数据进行了比较。结果表明，所设计的PNCM具有良好的鲁棒性和可靠性。通过实例研究，我们说明了微孔隙度是如何影响和决定两相流特性的。

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引用次数: 0

Upscaling nature-based solutions for reducing risk from natural hazards: From process to practice 提升基于自然的解决方案，减少自然灾害的风险：从过程到实践

IF 4.2 2区环境科学与生态学 Q1 WATER RESOURCES

Advances in Water Resources

Pub Date : 2025-10-02 DOI: 10.1016/j.advwatres.2025.105135

Amanda Tritinger , Sydney Crisanti , Steven P. Bailey , Jacob F. Berkowitz , Elizabeth S. Godsey , Burton C. Suedel , Jeffrey K. King

Nature-based solutions (NbS) offer an innovative approach to reducing risks from natural hazards, aligning ecological processes with engineering objectives. However, successfully scaling NbS from site-specific interventions to systems-level applications remains a challenge. This paper examines an Engineering With Nature® (EWN®) case study to explore how NbS can be integrated into broader, systems-based engineering practices, demonstrating the transition from conceptual design to wide-scale, regional implementation.

One such case study is Deer Island, located off the coast of Mississippi, USA, where EWN approaches stabilized shorelines and restored critical habitats. The project utilized natural sediment transport processes to rebuild marsh and dune systems, enhancing the island's resilience to storm surges and erosion. Through careful integration of natural and engineered systems, Deer Island serves as a model for how NbS can mitigate risks at both local and regional scales, increasing the ability to recover from a natural disaster and overall ecological health. In particular, the case study highlights the benefit of designing for multiple integrated ecosystem components to deliver a diverse array of ecological functions, goods, and services.

The paper further underscores the importance of interdisciplinary collaboration, highlighting the role of landscape architects in creating multifunctional designs that incorporate natural features and processes. These designs enhance ecosystem services while addressing societal needs, providing a blueprint for how when combined landscape architecture, science, and engineering can synergize in NbS projects. By synthesizing lessons from the EWN and emphasizing the need for cross-sector collaboration, this paper outlines pathways to scale NbS from localized efforts to comprehensive strategies that reduce coastal storm risk.

基于自然的解决方案（NbS）提供了一种创新的方法来降低自然灾害的风险，使生态过程与工程目标保持一致。然而，成功地将NbS从特定站点的干预扩展到系统级应用程序仍然是一个挑战。本文考察了一个工程与自然®（EWN®）的案例研究，探讨了如何将NbS整合到更广泛的、基于系统的工程实践中，展示了从概念设计到大规模、区域实施的过渡。

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引用次数: 0

Two-phase flow dynamics in 3D fractures: Influence of aperture, wettability, and fluid properties from Lattice Boltzmann Simulations 三维裂缝中的两相流动动力学：晶格玻尔兹曼模拟对孔径、润湿性和流体性质的影响

IF 4.2 2区环境科学与生态学 Q1 WATER RESOURCES

Advances in Water Resources

Pub Date : 2025-09-29 DOI: 10.1016/j.advwatres.2025.105133

F.F. Munarin , P. Gouze , F. Nepomuceno Filho

It is often assumed that using stratified patterns models capture adequately two-phase flow in fractures. However, recent studies indicated that a broader range of flow behaviors may occurs. This paper explores the impact of aperture and wettability on relative permeability in three-dimensional Berea fractures displaying moderate topological fluctuations. Using Lattice Boltzmann Method (LBM) simulations, we identify two distinct permeability regimes: at high apertures, permeability behavior aligns with that of parallel planes, while at low apertures, permeability decreases linearly due to fluid interactions with fracture surfaces. In weakly wet fractures, anomalous relative permeability behavior arises within specific aperture ranges, linked to the emergence of distinct flow structures. This phenomenon is primarily driven by interfacial tension, while wettability affects its onset, particularly at intermediate apertures. Furthermore, in non-wet fractures, fluid segregation at high apertures is governed by viscosity contrasts, where higher-viscosity fluids tend to flow more centrally, resembling Poiseuille flow. The results are particularly relevant to oil and gas recovery, highlighting the need for further investigations into interfacial tension effects in gas–liquid systems to enhance predictive models for fluid transport in fractured reservoirs.

通常认为，使用分层模式模型可以充分捕捉裂缝中的两相流。然而，最近的研究表明，更广泛的流动行为可能会发生。本文研究了具有中等拓扑波动的三维Berea裂缝的孔径和润湿性对相对渗透率的影响。利用晶格玻尔兹曼方法（LBM）模拟，我们确定了两种不同的渗透率状态：在高孔径下，渗透率行为与平行平面一致，而在低孔径下，由于流体与裂缝表面的相互作用，渗透率呈线性下降。在弱湿裂缝中，在特定孔径范围内会出现异常的相对渗透率行为，这与不同流动结构的出现有关。这种现象主要由界面张力驱动，而润湿性影响其发生，特别是在中间孔径处。此外，在非湿裂缝中，大孔径处的流体分离受粘度差异的控制，其中高粘度流体倾向于更集中地流动，类似泊泽维尔流。该研究结果与油气采收率特别相关，强调了进一步研究气液系统界面张力效应的必要性，以增强裂缝性储层中流体运移的预测模型。

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引用次数: 0

Competitive dissolution of binary minerals in porous media: A lattice Boltzmann study 二元矿物在多孔介质中的竞争溶解：晶格玻尔兹曼研究

IF 4.2 2区环境科学与生态学 Q1 WATER RESOURCES

Advances in Water Resources

Pub Date : 2025-09-28 DOI: 10.1016/j.advwatres.2025.105132

Wenxin Yang, Hai Sun, Lei Zhang, Gloire Imani, Dongyan Fan, Junjie Zhong, Yongfei Yang, Jun Yao

In the geological storage of hydrogen and carbon dioxide in underground salt caverns, the water-injected salt dissolution technology is widely applied in the expansion of salt caverns. During the salt dissolution, a variety of minerals with different properties are often involved, and there are obvious competitive interactions among them. This competition is primarily manifested in differences in diffusion rates, dissolution rates, and ionic concentration equilibrium constraints. In this study, we developed a lattice Boltzmann model, taking into account the competitive dissolution mechanisms of different minerals under the constraint of ion equilibrium. The model was used to investigate permeability changes of porous structure under various injection velocities and different combinations of minerals. The results reveal that whether the physical properties of binary minerals vary greatly or not, such as reaction rate and diffusion rate, the impact of competitive dissolution cannot be ignored. And as the injection rate increases, the influence of the competitive dissolution effect on the pore structure evolution becomes greater. This research provides theoretical insights into binary minerals' competitive dissolution mechanisms and references for its applications in fields such as environmental science, resource development, and chemical engineering.

在地下盐洞地质储氢和二氧化碳中，注水溶盐技术在盐洞扩展中得到了广泛应用。在盐的溶解过程中，往往涉及多种不同性质的矿物，它们之间存在明显的竞争相互作用。这种竞争主要表现在扩散速率、溶解速率和离子浓度平衡约束的差异上。在这项研究中，我们建立了一个晶格玻尔兹曼模型，考虑了不同矿物在离子平衡约束下的竞争溶解机制。利用该模型研究了不同注入速度和不同矿物组合下孔隙结构渗透率的变化。结果表明，无论二元矿物的物理性质（如反应速率和扩散速率）是否变化较大，竞争溶解的影响都不可忽视。随着注入速率的增加，竞争溶解效应对孔隙结构演化的影响也越来越大。本研究为二元矿物竞争溶解机理的研究提供了理论依据，为二元矿物在环境科学、资源开发、化工等领域的应用提供了参考。

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引用次数: 0

Predicting evaporation and heat transfer of a coupled surface/subsurface problem using a simplified one-region model 用简化的单区域模型预测地表/地下耦合问题的蒸发和传热

IF 4.2 2区环境科学与生态学 Q1 WATER RESOURCES

Advances in Water Resources

Pub Date : 2025-09-26 DOI: 10.1016/j.advwatres.2025.105128

Thomas Doury , Pierre Horgue , Romain Guibert , Jean Raymond , Gérald Debenest

Dealing with environmental flows poses significant challenges, particularly when it comes to accurately predicting mass and heat exchanges between the atmosphere and a variably saturated porous medium. In this work, we develop a non-isothermal, two-phase, two-component porous medium model equipped with physically based boundary conditions that incorporate the influence of free-flow conditions on soil evaporation and the resulting geothermal heat flux. This approach enables the use of average parameters to describe the free-flow domain, thus avoiding the need to explicitly simulate atmospheric flow while maintaining accuracy in both evaporation estimation and subsurface dynamics.

The model is validated against well-documented laboratory-scale experiments from the literature, covering a range of free-flow conditions and soil properties. It is then employed to assess the impact of soil drying dynamics on the retrievable geothermal heat flux across different soil types. The results demonstrate distinct thermal responses strongly linked to soil saturation behavior. A comparative study across different soil types and water table depths, complemented by a sensitivity analysis of free-flow parameters, reveals two distinct regimes. For shallow water tables, free-flow properties dominate, allowing for simplified groundwater modeling. In contrast, for deeper water tables, the influence of free-flow parameters becomes negligible, and a detailed representation of groundwater flow-including evaporation-is essential. The proposed approach enables accurate modeling across both regimes without the need to simulate the entire free-flow domain.

处理环境流动带来了巨大的挑战，特别是当涉及到准确预测大气和可变饱和多孔介质之间的质量和热交换时。在这项工作中，我们开发了一个非等温、两相、双组分多孔介质模型，该模型配备了基于物理的边界条件，其中包括自由流动条件对土壤蒸发和由此产生的地热通量的影响。这种方法可以使用平均参数来描述自由流域，从而避免了明确模拟大气流动的需要，同时保持了蒸发估计和地下动力学的准确性。该模型通过文献中充分记录的实验室规模实验进行了验证，涵盖了一系列自由流动条件和土壤特性。利用该模型评估了土壤干燥动态对不同土壤类型可回收地热通量的影响。结果表明，明显的热响应与土壤饱和行为密切相关。一项跨不同土壤类型和地下水位深度的比较研究，加上对自由流动参数的敏感性分析，揭示了两种不同的制度。对于浅层地下水位，自由流动特性占主导地位，允许简化地下水建模。相比之下，对于较深的地下水位，自由流动参数的影响变得可以忽略不计，地下水流动的详细表示——包括蒸发——是必不可少的。所提出的方法可以在不需要模拟整个自由流域的情况下实现跨两个区域的精确建模。

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引用次数: 0

Scale-adaptive expected mass fraction framework for contaminant dilution mapping in coastal waters 沿海水域污染物稀释制图的尺度自适应期望质量分数框架

IF 4.2 2区环境科学与生态学 Q1 WATER RESOURCES

Advances in Water Resources

Pub Date : 2025-09-26 DOI: 10.1016/j.advwatres.2025.105130

Morena Galešić Divić , Vladimir Divić , Darko Koračin , Roko Andričević

Coastal waters face continuous threats from inland pollution sources, such as rivers, torrents, and wastewater discharges. These sources pose significant challenges to water quality management. To address the complex dynamics of pollutant transport and dilution in these environments, we introduce a scale-adaptive Expected Mass Fraction (EMF) framework. This framework enables the quantification and mapping of contaminant dilution through a flexible spatial representation, adaptable to arbitrary scales and tailored to specific water quality assessment needs. By combining Lagrangian particle tracking, stochastic ensemble analysis, and spatially integrated concentration statistics, the framework offers a comprehensive tool for evaluating the auto-purification potential of coastal waters. Applied to the Kaštela Bay and Brač Channel in the Eastern Adriatic Sea, the methodology captures the effects of distinct hydrodynamic events – Bora and Sirocco – on pollutant dispersion. Results reveal significant variations in contaminant transport patterns. Bora events exhibit localized surface spreading, while Sirocco events drive extensive horizontal and vertical dispersion. The proposed Auto-Purification Potential (APP) index consolidates these complex dynamics into a region-oriented map, providing a compact and accessible visualization of auto-purification potential. Such a visualization can support public awareness and informed decision-making in coastal water quality management. This study advances the application of EMF concepts to complex hydrodynamic environments, demonstrating its adaptability to diverse spatial scales. The findings provide a foundation for effective pollution monitoring and management strategies in coastal water ecosystems and offer the potential for broader applications in other environmental systems.

沿海水域面临内陆污染源的持续威胁，如河流、激流和废水排放。这些来源对水质管理构成重大挑战。为了解决这些环境中污染物迁移和稀释的复杂动力学，我们引入了一个自适应尺度的期望质量分数（EMF）框架。该框架通过灵活的空间表示实现污染物稀释的量化和制图，可适应任意尺度并根据特定的水质评估需求量身定制。通过结合拉格朗日粒子跟踪、随机集合分析和空间集成浓度统计，该框架为评估沿海水域的自净化潜力提供了一个全面的工具。该方法应用于东亚得里亚海的Kaštela湾和布拉斯海峡，捕捉了不同的水动力事件（Bora和Sirocco）对污染物扩散的影响。结果揭示了污染物运输模式的显著变化。Bora事件表现出局部的表面扩散，而Sirocco事件则表现出广泛的水平和垂直扩散。提出的自动净化潜力（APP）指数将这些复杂的动态整合到一个面向区域的地图中，提供了一个紧凑且易于访问的自动净化潜力可视化。这种可视化可以支持公众对沿海水质管理的认识和知情决策。本研究推进了电磁场概念在复杂水动力环境中的应用，展示了其对不同空间尺度的适应性。研究结果为沿海水域生态系统的有效污染监测和管理策略提供了基础，并为在其他环境系统中更广泛的应用提供了潜力。

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引用次数: 0

Effects of geochemical reactions on flow properties during compressed air energy storage in aquifer 地球化学反应对含水层压缩空气蓄能流动特性的影响

IF 4.2 2区环境科学与生态学 Q1 WATER RESOURCES

Advances in Water Resources

Pub Date : 2025-09-26 DOI: 10.1016/j.advwatres.2025.105134

Shida Zheng , Jinsheng Wang , Chengzhi Wang , Jiawei Liu , Rui Zuo , Guanlan Wu , Xiaofan Yang , Minghao Pan , Hao Wang , Guangrong Hu

Reservoir flow properties are crucial for sustaining the magnitude and effectiveness of compressed gas energy storage in aquifer. Although changes in flow properties due to CO₂ injection have received attention, the impact of compressed air injection-induced geochemical reactions on flow properties has been overlooked. This study presents a series of controlled experiments with different reaction conditions to reveal the effects of pore-scale mechanisms of geochemical reactions on pore structure and flow properties. Although air injection enhanced the oxidation potential of the brine, oxidation reactions were limited due to the absence of oxidation-sensitive minerals. Integrated analyses of fluid chemistry, mineralogical characterization, and kinetic reaction modeling indicated that albite dissolution was the primary process governing rock property alteration. Albite dissolution occurring in pores and throats drives pore structure evolution and interconnects isolated pores, thereby leading to a significant increase in the total and connected porosity. As a result, an increase in permeability was observed. The brine percolating through the larger pores initiates the albite dissolution, further widens the seepage pathways and enhances the fluid flow. Ultimately, a quantitative relationship between permeability and porosity influenced by geochemical reactions was established. This study highlights the significance of geochemical reactions in compressed air energy storage in aquifer and provides essential theoretical insights for future numerical simulations and commercial exploitation.

储层流动特性对维持含水层压缩气体蓄能的规模和有效性至关重要。虽然CO2注入引起的流动特性的变化受到了关注，但压缩空气注入引起的地球化学反应对流动特性的影响却被忽视了。本研究通过一系列不同反应条件下的对照实验，揭示了地球化学反应的孔隙尺度机制对孔隙结构和流动特性的影响。虽然空气注入提高了卤水的氧化电位，但由于缺乏氧化敏感矿物，氧化反应受到限制。流体化学、矿物学表征和动力学模拟综合分析表明，钠长石溶蚀是控制岩石蚀变的主要过程。孔喉中钠长石溶蚀作用驱动孔隙结构演化，使孤立孔隙相互连通，使总孔隙度和连通孔隙度显著增加。结果，观察到渗透率的增加。盐水通过较大孔隙渗透，引起钠长石溶蚀，进一步拓宽了渗透通道，增强了流体流动。最后，建立了受地球化学反应影响的渗透率和孔隙度的定量关系。该研究突出了地球化学反应在含水层压缩空气储能中的重要性，为未来的数值模拟和商业开发提供了重要的理论见解。

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