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学者姓名：王浩
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Abstract ：
Large flume model tests were conducted to investigate the effects of vegetation on water infiltration and slope deformation under wetting-drying cycles. In total, two flume model tests were carried out, one was planted with Schefflera heptaphylla, and the other bare slope severed as a reference. Plant characteristics, volumetric water content, matric suction, and surface runoff were well documented. Simultaneously, slope deformation during rainfall was analyzed by Particle Image Velocimetry (PIV) technology. The experimental results showed that the growth rate of plant height increased as light intensity increased. At the initial stages, suctions in the shallow soil layers (i.e. 50 mm) of the vegetated slope were smaller than that of the bare slope. However, the suction in the vegetated slope increased as light intensity increased, particularly in the shallow layer (i.e. 150 mm), where it was about 10 kPa larger than that of the bare slope. In addition, vegetation improved the rainfall infiltration rate, which increased with the number of wetting-drying cycles. Under the same condition, the cumulative rainfall infiltration rate of the vegetated slope was approximately twice that of the bare slope. While, the horizontal and vertical deformation rates of the vegetated slope were lower than those of bare slope, respectively. This indicates that vegetation effectively mitigates slope deformation during extreme rainfall and enhances slope stability.
Keyword ：
Deformation Deformation Infiltration rate Infiltration rate Vegetated slope Vegetated slope Wetting-drying cycles Wetting-drying cycles
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| GB/T 7714 | Liu, Hong Wei , Wang, Yu Xin , Huang, Yun et al. Effects of vegetation on hydraulic responses and slope deformation under wetting-drying cycles [J]. | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT , 2025 , 84 (6) . |
| MLA | Liu, Hong Wei et al. "Effects of vegetation on hydraulic responses and slope deformation under wetting-drying cycles" . | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT 84 . 6 (2025) . |
| APA | Liu, Hong Wei , Wang, Yu Xin , Huang, Yun , Fan, Xiu Feng , Wang, Hao . Effects of vegetation on hydraulic responses and slope deformation under wetting-drying cycles . | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT , 2025 , 84 (6) . |
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风化土作为花岗岩二元结构边坡的主要物源,厘清其内部侵蚀特性是开展该类边坡破坏模式与促滑机理研究的基础.地下水渗流作用下花岗岩风化土的内部侵蚀包括细颗粒迁移、淤塞等过程,本文设计制作侧向渗透模型,开展不同动水头与坡度条件下花岗岩风化土的侧向渗流试验,并结合精细化数值模拟研究内部侵蚀发展特征与细颗粒的运移规律.结果表明:花岗岩风化土的内部侵蚀是渐进发展的过程,倾斜角度越陡、水头变化幅度越大,则土体内部侵蚀越强烈,细颗粒的流失量就越大;风化土流失的细颗粒与软弱带土层的矿物组分基本一致,表明差异风化界面的软弱带是渗流作用下花岗岩风化土中细颗粒迁移沉积形成;细颗粒迁移导致的土体颗粒粗化、细颗粒沉积导致的基覆界面软化是花岗岩二元结构边坡失稳的主要原因.厘清花岗岩风化土内部侵蚀的作用机制,研究结果可为花岗岩边坡失稳预测与防灾减灾提供理论依据.
Keyword ：
内部侵蚀 内部侵蚀 动水头 动水头 模型试验 模型试验 花岗岩风化土 花岗岩风化土
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| GB/T 7714 | 王浩 , 严耿明 , 李传东 et al. 动水头作用下花岗岩风化土内部侵蚀试验研究 [J]. | 工程科学与技术 , 2025 , 57 (1) : 132-144 . |
| MLA | 王浩 et al. "动水头作用下花岗岩风化土内部侵蚀试验研究" . | 工程科学与技术 57 . 1 (2025) : 132-144 . |
| APA | 王浩 , 严耿明 , 李传东 , 黄瑛瑛 , 张智超 . 动水头作用下花岗岩风化土内部侵蚀试验研究 . | 工程科学与技术 , 2025 , 57 (1) , 132-144 . |
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基于相关性的局域化集合数据同化方法适用于观测信息与反演参数之间不存在物理距离时的情形,但参数的反演精度受阻滞作用影响.为了厘清相关性阻滞作用对局域化迭代集合平滑估计渗透系数的影响,本文采用不同的集合大小N,相关系数(包括Pearson,Kendall和Spearman)、和阻滞函数(包括12种函数)构建局域化迭代平滑方法用于估计二维孔隙承压含水层的渗透系数场.研究结果显示:(1)使用Pearson相关系数得到的渗透系数反演精度最高,其次为Spearman;(2)当考虑椭圆方程分别与Gaspari-Cohn,双曲正切函数和指数函数组合的复合函数作为阻滞函数时,局域化效果总体优于其他组合的阻滞函数.本文提出的相关性局域化迭代集合平滑方法框架和研究结果可为水文地质参数估计的研究与应用提供重要的参考.
Keyword ：
相关性局域化 相关性局域化 相关系数 相关系数 迭代集合平滑 迭代集合平滑 阻滞函数 阻滞函数
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| GB/T 7714 | 夏传安 , 高欣宇 , 王浩 et al. 相关性阻滞作用对局域化迭代集合平滑估计渗透系数的影响 [J]. | 工程地质学报 , 2025 , 33 (2) : 733-743 . |
| MLA | 夏传安 et al. "相关性阻滞作用对局域化迭代集合平滑估计渗透系数的影响" . | 工程地质学报 33 . 2 (2025) : 733-743 . |
| APA | 夏传安 , 高欣宇 , 王浩 , 简文彬 . 相关性阻滞作用对局域化迭代集合平滑估计渗透系数的影响 . | 工程地质学报 , 2025 , 33 (2) , 733-743 . |
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We develop a reduced-order modeling strategy aimed at providing numerical Monte Carlo simulations of groundwater flow in randomly heterogeneous transmissivity fields. We rely on moment equations for groundwater flow and conduct space reductions for both transmissivity, T , and hydraulic head, h . A truncated singular value decomposition (SVD) solver is employed to cope with the ill-conditioned stiffness matrix caused by (negative and thus) unphysical values of T that might arise due to possible low accuracy stemming from the order of model reduction. The performance of the approach is assessed through the analysis of various synthetic reference scenarios. These encompass diverse degrees of heterogeneity of the transmissivity field and various values of reduced-order dimensions, n and m , associated with h and T , respectively. Transmissivity is conceptualized as a composite (spatial) random field where there is uncertainty in the locations of regions associated with diverse geomaterials as well as in the heterogeneity of transmissivity therein. Our results are also compared against their counterparts that one could obtain upon performing a model reduction solely on the basis of hydraulic heads. Our findings show that: (i) resting on the truncated SVD solver is beneficial for coping with ill- conditioned stiffness matrices; (ii) the two model reduction strategies provide comparable solution accuracy for m >= 5n, while (iii) the computational cost associated with the reduced-order model based on space reduction for both T and h is always significantly smaller than that associated with space reduction based solely on h .
Keyword ：
Groundwater Groundwater Moment equations Moment equations Monte Carlo simulation Monte Carlo simulation Reduced-order model Reduced-order model Truncated singular value decomposition Truncated singular value decomposition
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| GB/T 7714 | Xia, Chuan-An , Wang, Hao , Jian, Wenbin et al. Reduced-order Monte Carlo simulation framework for groundwater flow in randomly heterogeneous composite transmissivity fields [J]. | JOURNAL OF HYDROLOGY , 2025 , 651 . |
| MLA | Xia, Chuan-An et al. "Reduced-order Monte Carlo simulation framework for groundwater flow in randomly heterogeneous composite transmissivity fields" . | JOURNAL OF HYDROLOGY 651 (2025) . |
| APA | Xia, Chuan-An , Wang, Hao , Jian, Wenbin , Riva, Monica , Guadagnini, Alberto . Reduced-order Monte Carlo simulation framework for groundwater flow in randomly heterogeneous composite transmissivity fields . | JOURNAL OF HYDROLOGY , 2025 , 651 . |
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Although the root can enhance the soil's strength, vegetation cover landslide still occurs frequently under the rainfall. To elucidate the mechanism underlying the degradation of the shear strength of root-soil composites under the influence of moisture, we investigated trees from hilly slopes in southeastern China. The tensile mechanical properties of roots were tested under varying moisture conditions.The results of previous work on the friction characteristics of the root-soil interface under different soil water content were also considered. Furthermore, large-scale direct shear tests were performed to assess the strength characteristics of root-soil composites under different root cross-sectional area ratios (RAR) and moisture contents. Based on the widely used Wu model, and incorporating the failure modes of roots in root-soil composites and the mechanism of root-soil interface friction, a root-soil composite strength degradation model was established considering the effects of moisture. Moisture significantly affected the tensile strength of fine tree roots, with the tensile strength of fine roots being lower in the saturated state than in the fresh state. In contrast, coarse roots were almost unaffected by moisture. As the moisture content increased, the additional strength provided by the roots decreased, and the root efficiency (REp) decreased significantly. The model was validated against experimental data, and the calculated results were accurate. In root-soil composites, as moisture infiltrates, the tensile strength of the roots, soil shear strength, and root-soil interface shear strength decrease to different degrees. This results in reduced resistance to deformation in the root-soil composites, leading to a decrease in its strength.
Keyword ：
Moisture content Moisture content Root reinforcement Root reinforcement Root-soil interface friction Root-soil interface friction Root tensile strength Root tensile strength Strength degradation model Strength degradation model
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| GB/T 7714 | Lin, Yunzhao , Jian, Wenbin , Wu, Yilong et al. Degradation of the mechanical properties of root-soil composites under moisture influence [J]. | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT , 2025 , 84 (3) . |
| MLA | Lin, Yunzhao et al. "Degradation of the mechanical properties of root-soil composites under moisture influence" . | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT 84 . 3 (2025) . |
| APA | Lin, Yunzhao , Jian, Wenbin , Wu, Yilong , Zhu, Zuteng , Wang, Hao , Dou, Hongqiang et al. Degradation of the mechanical properties of root-soil composites under moisture influence . | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT , 2025 , 84 (3) . |
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As a geological disaster widely distributed in the southern regions of China, rainfall-induced shallow landslides pose a significant threat to affected areas. Timely detection of landslides is crucial in the effective response to such disasters. However, landslide detection faces adverse impacts from various factors, such as insufficient sample data, complex model structures, and limitations in detection accuracy during the actual detection process. In this study, high-quality image samples were collected from multiple landslide disaster areas in southern China, and a rainfall-induced shallow landslide sample database was constructed in the region. Based on this, a lightweight attention-guided YOLO model (LA-YOLO) was proposed to improve the detection performance of YOLO model for rainfall-induced shallow landslides. First, CG block is introduced to enhance the C2f module, enriching the feature representation capability through multiscale feature fusion and reducing the model's parameters and computational complexity. Second, the SimAM attention module is used to focus on the target regions, improving feature extraction effectiveness. Experimental results show that the model parameters of LA-YOLO were reduced by approximately 30%, with precision, recall, and mean average precision (mAP) on the landslide sample dataset increasing by 2.6%, 0.7%, and 2.2%, respectively. While ensuring model detection performance, the model structure was significantly optimized, achieving both lightweight and accuracy goals, confirming the model's superiority in monitoring rainfall-induced shallow landslide disasters.
Keyword ：
Accuracy Accuracy Attention mechanism Attention mechanism Biological system modeling Biological system modeling context guidance module context guidance module Data models Data models Disasters Disasters Feature extraction Feature extraction landslide detection landslide detection Neurons Neurons Rain Rain rainfall-induced shallow landslide rainfall-induced shallow landslide Terrain factors Terrain factors Training Training YOLO YOLO YOLO v8 YOLO v8
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| GB/T 7714 | Wang, Lin , Lei, Henggang , Jian, Wenbin et al. Enhancing Landslide Detection: A Novel LA-YOLO Model for Rainfall-Induced Shallow Landslides [J]. | IEEE GEOSCIENCE AND REMOTE SENSING LETTERS , 2025 , 22 . |
| MLA | Wang, Lin et al. "Enhancing Landslide Detection: A Novel LA-YOLO Model for Rainfall-Induced Shallow Landslides" . | IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 22 (2025) . |
| APA | Wang, Lin , Lei, Henggang , Jian, Wenbin , Wang, Wenjia , Wang, Hao , Wei, Nan . Enhancing Landslide Detection: A Novel LA-YOLO Model for Rainfall-Induced Shallow Landslides . | IEEE GEOSCIENCE AND REMOTE SENSING LETTERS , 2025 , 22 . |
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Rainfall-induced landslides are widely distributed in many countries. Rainfall impacts the hydraulic dynamics of groundwater and, therefore, slope stability. We derive an analytical solution of slope stability considering effective rainfall based on the Richards equation. We define effective rainfall as the total volume of rainfall stored within a given range of the unsaturated zone during rainfall events. The slope stability at the depth of interest is provided as a function of effective rainfall. The validity of analytical solutions of system states related to effective rainfall, for infinite slopes of a granite residual soil, is verified by comparing them with the corresponding numerical solutions. Additionally, three approaches to global sensitivity analysis are used to compute the sensitivity of the slope stability to a variety of factors of interest. These factors are the reciprocal of the air-entry value of the soil alpha, the thickness of the unsaturated zone L, the cohesion of soil c, the internal friction angle phi related to the effective normal stress, the slope angle beta, the unit weights of soil particles gamma(s), and the saturated hydraulic conductivity K-s. The results show the following: (1) The analytical solutions are accurate in terms of the relative differences between the analytical and the numerical solutions, which are within 5.00% when considering the latter as references. (2) The temporal evolutions of the shear strength of soil can be sequentially characterized as four periods: (i) strength improvement due to the increasing weight of soil caused by rainfall infiltration, (ii) strength reduction controlled by the increasing pore water pressure, (iii) strength reduction due to the effect of hydrostatic pressure in the transient saturation zone, and (iv) stable strength when all the soil is saturated. (3) The large alpha corresponds to high effective rainfall. (4) The factors ranked in descending order of sensitivity are as follows: alpha > L > c > beta > gamma(s) > K-s > phi.
Keyword ：
analytic solution analytic solution effective rainfall effective rainfall global sensitivity analysis global sensitivity analysis shear strength shear strength slope stability slope stability
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| GB/T 7714 | Xia, Chuan-An , Zhang, Jing-Quan , Wang, Hao et al. Global Sensitivity Analysis of Slope Stability Considering Effective Rainfall with Analytical Solutions [J]. | WATER , 2025 , 17 (2) . |
| MLA | Xia, Chuan-An et al. "Global Sensitivity Analysis of Slope Stability Considering Effective Rainfall with Analytical Solutions" . | WATER 17 . 2 (2025) . |
| APA | Xia, Chuan-An , Zhang, Jing-Quan , Wang, Hao , Jian, Wen-Bin . Global Sensitivity Analysis of Slope Stability Considering Effective Rainfall with Analytical Solutions . | WATER , 2025 , 17 (2) . |
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Polymer material (PM) is a novel vertical barrier material, demonstrated to be effective in impeding pollutants. However, the associated transport research is limited. This study aims to develop an analytical solution for twodimensional transport of organic contaminant in the PM-enhanced composite cutoff wall (CCW) system, where the variable substitution and Fourier transform methods are used. This analytical solution, available in various simplifications, is effectively validated via several comparisons. Following this, the analyses show that an increase in the non-uniformity of pollution source concentration distribution shortens the PM-enhanced CCW's breakthrough time (tb), while exhibits a marginal effect on the total flux at its exit. The increment of aquifer horizontal thickness prolongs the tb to some extent, whereas an increase in its hydraulic conductivity slightly reduces the tb. Additionally, the PM layer location is found to have a little effect on the PM-enhanced CCW's barrier performance. Furthermore, the equivalent performance assessment reveals that the improvement gained from increasing the PM layer thickness far surpasses that from increasing the single-layered cutoff wall thickness, and this difference may exceed 10. For a PM layer with low hydraulic conductivity, it is more suitable for engineering scenarios with the higher hydraulic head difference. Totally, the proposed analytical solution offers a valuable tool for designing the PM-enhanced CCW.
Keyword ：
Analytical solution Analytical solution Composite cutoff wall Composite cutoff wall Performance assessment Performance assessment Polymer material Polymer material Transport analyses Transport analyses Two-dimensional transport Two-dimensional transport
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| GB/T 7714 | Jiang, Wenhao , Wang, Hao , Cao, Linfeng . Analytical study for two-dimensional transport of organic contaminant in a polymer material-enhanced composite cutoff wall system [J]. | JOURNAL OF CONTAMINANT HYDROLOGY , 2025 , 269 . |
| MLA | Jiang, Wenhao et al. "Analytical study for two-dimensional transport of organic contaminant in a polymer material-enhanced composite cutoff wall system" . | JOURNAL OF CONTAMINANT HYDROLOGY 269 (2025) . |
| APA | Jiang, Wenhao , Wang, Hao , Cao, Linfeng . Analytical study for two-dimensional transport of organic contaminant in a polymer material-enhanced composite cutoff wall system . | JOURNAL OF CONTAMINANT HYDROLOGY , 2025 , 269 . |
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Landslides frequently occur in heavily vegetated areas of southeast Fujian Province due to typhoon rainstorms. Investigating the failure mechanisms and evolution patterns of landslides influenced by vegetation, rainfall, and strong winds is crucial for disaster mechanism, monitoring, and early warning of typhoon-induced landslides in densely vegetated regions. This study focuses on the Yangxie landslide in Yongtai County, Fujian Province, investigating response patterns and analysis methods for vegetated slope stability under wind-driven rain conditions. Pulling tests on moso bamboo and single-ring infiltration tests were conducted, integrating the Green-Ampt model and infinite side slope model. Detailed main results include: 1) Bamboo’s maximum wind resistance ranges from 18 m/s to 30 m/s, corresponding to wind forces of 8 to 11. 2) Soil infiltration capacity in the windward area increases with wind speed, remaining constant at 0–12 m/s but rising rapidly beyond 12 m/s. 3) The wetting front’s migration speed in the root-soil zone accelerates with increasing wind speed and rainfall. Typhoons disturb soil by swaying vegetation to create preferential flow, mainly accelerating the wetting front’s migration speed. Wind speed significantly impacts soil infiltration capacity under wind, rain, and vegetation interactions. 4) During typhoon rainstorms, wind loads enhance rainfall infiltration in the root-soil zone through vegetation, thereby speeding up the wetting front’s migration. This process is critical for typhoon-induced landslide occurrence and development. © 2024 Biodiversity Research Center Academia Sinica. All rights reserved.
Keyword ：
Aerodynamic loads Aerodynamic loads Bamboo Bamboo Disasters Disasters Infiltration Infiltration Landslides Landslides Rain Rain Slope protection Slope protection Soil testing Soil testing Tropics Tropics Wind stress Wind stress
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| GB/T 7714 | Lin, Bin-Qiang , Zhang, De-Sheng , Jian, Wen-Bin et al. Response of vegetated slope stability under wind-driven rain conditions [J]. | Rock and Soil Mechanics , 2024 , 45 (9) : 2765-2774 . |
| MLA | Lin, Bin-Qiang et al. "Response of vegetated slope stability under wind-driven rain conditions" . | Rock and Soil Mechanics 45 . 9 (2024) : 2765-2774 . |
| APA | Lin, Bin-Qiang , Zhang, De-Sheng , Jian, Wen-Bin , Dou, Hong-Qiang , Wang, Hao , Fan, Xiu-Feng . Response of vegetated slope stability under wind-driven rain conditions . | Rock and Soil Mechanics , 2024 , 45 (9) , 2765-2774 . |
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The tensile strength of roots and the friction characteristics of the root-soil interface of tree species are the indicators that play a crucial role in understanding the mechanism of soil reinforcement by roots. To calculate the effectiveness of the reinforcement of soil by tree roots based on essential influencing parameters, typical trees in the coastal region of southeastern China selected for this study were subjected to tests of the tensile mechanical properties of their roots, as well as studies on the friction characteristics of the root-soil interface and the microscopic interfaces. The results indicated that in the 1-7 diameter classes, the root tensile strength of both Pinus massoniana and Cunninghamia lanceolata was negatively correlated with the root diameter in accordance with the power function. The root tensile strength of these two trees, however, was positively correlated with the lignin content but negatively correlated with cellulose and hemicellulose contents. The shear strength at the root-soil interface and the vertical load exhibited a constitutive relationship, which followed the Mohr-Coulomb criterion. As the root diameter increased, both the cohesion and the friction coefficients at the root-soil interface gradually increased, but the growth rate stood at around 15%. The cohesion value of the root-soil interface of the two trees decreased linearly with the increase in soil moisture content within the range of 25 to 45%. At the microinterface, the root surface of C. lanceolata exhibited concave grooves and convex ridges that extended along the axial direction of roots, with their height differences increasing with the enlargement of the root diameter. The rough surface of P. massoniana roots had areas composed of polygonal meshes, with an increase observed in the mesh density with increasing root diameter.
Keyword ：
chemical composition chemical composition root-soil interface root-soil interface root surface microstructure root surface microstructure tensile strength tensile strength tree roots tree roots
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| GB/T 7714 | Lin, Yunzhao , Jian, Wenbin , Zhu, Zuteng et al. Study on the Mechanical Properties of Roots and Friction Characteristics of the Root-Soil Interface of Two Tree Species in the Coastal Region of Southeastern China [J]. | FORESTS , 2024 , 15 (8) . |
| MLA | Lin, Yunzhao et al. "Study on the Mechanical Properties of Roots and Friction Characteristics of the Root-Soil Interface of Two Tree Species in the Coastal Region of Southeastern China" . | FORESTS 15 . 8 (2024) . |
| APA | Lin, Yunzhao , Jian, Wenbin , Zhu, Zuteng , Wu, Yilong , Wang, Hao , Fan, Xiufeng . Study on the Mechanical Properties of Roots and Friction Characteristics of the Root-Soil Interface of Two Tree Species in the Coastal Region of Southeastern China . | FORESTS , 2024 , 15 (8) . |
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