Biogeotechnics最新文献

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Advanced bioinspired cellular confinement systems for improving the performance of reinforced soil beds 先进的生物激励细胞约束系统,用于改善加固土壤床的性能
Biogeotechnics Pub Date : 2025-09-01 Epub Date: 2024-12-20 DOI: 10.1016/j.bgtech.2024.100160
Yang Zhao , Zheng Lu , Abdollah Tabaroei , Chuxuan Tang , Yinuo Feng , Hailin Yao
{"title":"Advanced bioinspired cellular confinement systems for improving the performance of reinforced soil beds","authors":"Yang Zhao ,&nbsp;Zheng Lu ,&nbsp;Abdollah Tabaroei ,&nbsp;Chuxuan Tang ,&nbsp;Yinuo Feng ,&nbsp;Hailin Yao","doi":"10.1016/j.bgtech.2024.100160","DOIUrl":"10.1016/j.bgtech.2024.100160","url":null,"abstract":"<div><div>With the major developments that occurred during the past 40 years in the geotechnical engineering field, the usage of reinforcements in soils has been very common to improve the ultimate bearing capacity and reduce the footing settlements. These reinforcements consist of geogrids, geotextiles, geocells, etc., all of which are in the geosynthetic family. Among these geosynthetic families, geocell performs better in soil-reinforced beds. In this study, we proposed the nine types of bioinspired geocells to improve the soil beds. For this purpose, a total of twenty numerical models were calculated via FLAC<sup>3D</sup> after validating the laboratory model tests in the literature. The numerical results demonstrated that, except for the circular type, the performance of other geocell forms regarding increased bearing capacity was nearly identical. Regarding diffusion angles, only the circular and honeycomb geocells exhibited larger diffusion angles. The opening pocket diameter more significantly influenced the stress and strain of geocells. Geocells with nearly circular shapes, such as circular, honeycomb, hexagonal, and square, typically demonstrated higher confining stresses within the geocell walls. Conversely, for shapes that deviate from the circular form, such as diamond, re-entrant, and double V-shaped designs, the irregularity of the pocket shape could cause an uneven distribution of confining stresses, potentially leading to higher normal deformations at some specific areas and stress concentration at the wall joints.</div></div>","PeriodicalId":100175,"journal":{"name":"Biogeotechnics","volume":"3 3","pages":"Article 100160"},"PeriodicalIF":0.0,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144557604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal desorption remediation effects on soil biogeochemical properties and plant performance: Global meta-analysis 热解吸修复对土壤生物地球化学性质和植物性能的影响:全球荟萃分析
Biogeotechnics Pub Date : 2025-09-01 Epub Date: 2024-09-26 DOI: 10.1016/j.bgtech.2024.100140
Jiaxin Liao , Haowen Guo , Sanandam Bordoloi , Denian Li , Yuanxiang Zhang , Junjun Ni , Haoran Yuan , Xudong Zhao
{"title":"Thermal desorption remediation effects on soil biogeochemical properties and plant performance: Global meta-analysis","authors":"Jiaxin Liao ,&nbsp;Haowen Guo ,&nbsp;Sanandam Bordoloi ,&nbsp;Denian Li ,&nbsp;Yuanxiang Zhang ,&nbsp;Junjun Ni ,&nbsp;Haoran Yuan ,&nbsp;Xudong Zhao","doi":"10.1016/j.bgtech.2024.100140","DOIUrl":"10.1016/j.bgtech.2024.100140","url":null,"abstract":"<div><div>Soil contamination remains a global problem, and numerous studies have been published for investigating soil remediation. Thermal desorption remediation (TDR) can significantly reduce the contaminants in the soil within a short time and consequently has been used worldwide. However, the soil properties respond to TDR differently and are dependent on the experimental set-up. The causative mechanisms of these differences are yet to be fully elucidated. A statistical meta-analysis was thus undertaken to evaluate the TDR treatment effects on soil properties and plant performance. This review pointed out that soil clay was reduced by 54.2%, while soil sand content was enhanced by 15.2% after TDR. This might be due to the release of cementing agents from clay minerals that resulted in the formation of soil aggregates. Soil electrical conductivity enhanced by 69.5% after TDR, which might be due to the heating-induced loss of structural hydroxyl groups and the consequent liberation of ions. The treatment of TDR leads to the reduction of plant germination rate, length, and biomass by 19.4%, 44.8%, and 20.2%, respectively, compared to that of control soil. This might be due to the residue of contaminants and the loss of soil fertility during the thermal process that inhibited plant germination and growth. Soil pH and sulfate content increased with heating temperature increased, while soil enzyme activities decreased with thermal temperature increased. Overall, the results suggested that TDR treatment has inhibited plant growth as well as ecological restoration.</div></div>","PeriodicalId":100175,"journal":{"name":"Biogeotechnics","volume":"3 3","pages":"Article 100140"},"PeriodicalIF":0.0,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144557605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Soil-water retention capacity of expansive soil improved through enzyme induced carbonate precipitation-eggshell powder 酶促碳酸盐沉淀-蛋壳粉提高膨胀土的保水性
Biogeotechnics Pub Date : 2025-09-01 Epub Date: 2024-10-25 DOI: 10.1016/j.bgtech.2024.100146
Yunlong Liu , Yanyan Xia , Mudassir Mehmood , Lei Wang , Wen Nie , Yingao Zhao , Zhencai Luo
{"title":"Soil-water retention capacity of expansive soil improved through enzyme induced carbonate precipitation-eggshell powder","authors":"Yunlong Liu ,&nbsp;Yanyan Xia ,&nbsp;Mudassir Mehmood ,&nbsp;Lei Wang ,&nbsp;Wen Nie ,&nbsp;Yingao Zhao ,&nbsp;Zhencai Luo","doi":"10.1016/j.bgtech.2024.100146","DOIUrl":"10.1016/j.bgtech.2024.100146","url":null,"abstract":"<div><div>Enzyme Induced Carbonate Precipitation (EICP) has been extensively investigated as a promising approach to improve engineering properties of soil, while Eggshell Powder (ESP) is an agricultural waste that effectively fills soil pores. The ESP provides abundant nucleation at sites for the EICP process, further promoting the effective precipitation of calcium carbonate. The research presented in this paper investigated the Soil Water Characteristic Curves (SWCC), permeability coefficient, and microstructure of expansive soil before and after EICP and EICP+ESP modification. A series of laboratory experiments were conducted, including soil water characteristic tests, permeability tests and Scanning Electron Microscopy (SEM). The results proved that the addition of EICP and EICP+ESP into natural expansive soil resulted in a gradual decline in air entry value, residual water content, and permeability coefficient, indicating an increase in water retention capacity and a decrease in permeability. Furthermore, with the intrusion of EICP and EICP+ESP, the contact between particles becomes smoother, and the soil pores become more equally distributed. Ultimately, there was an enhancement in water retention capacity of the natural expansive soil. This study emphasizes the synergistic potential of combining EICP and EICP+ESP as stabilizing additives to enhance the water retention capacity of expansive soil. Moreover, the reuse of ESP provides a sustainable solution for the resource utilization of agricultural waste and the improvement of expansive soil using bio-inspired methods.</div></div>","PeriodicalId":100175,"journal":{"name":"Biogeotechnics","volume":"3 3","pages":"Article 100146"},"PeriodicalIF":0.0,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144557488","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Triaxial compression test of MICP sand column and simulation of failure process MICP 砂柱的三轴压缩试验和破坏过程模拟
Biogeotechnics Pub Date : 2025-09-01 Epub Date: 2024-01-20 DOI: 10.1016/j.bgtech.2024.100071
Siriguleng Bai , Kai Li , Tala Bao , Chi Li
{"title":"Triaxial compression test of MICP sand column and simulation of failure process","authors":"Siriguleng Bai ,&nbsp;Kai Li ,&nbsp;Tala Bao ,&nbsp;Chi Li","doi":"10.1016/j.bgtech.2024.100071","DOIUrl":"10.1016/j.bgtech.2024.100071","url":null,"abstract":"<div><div>Microbially induced calcium carbonate precipitation (MICP) technology can induce calcium carbonate crystals with cementation and stable performance in the process of microbial metabolism or enzymization through the regulation of environmental factors MICP can be used as a cementing agent to cement cohesionless sand particles to form the materials with the characteristics of higher strength, better durability and environmental friendliness, as well as a good engineering application prospect. In this paper, the shear strength of sand column was tested by triaxial compression tests, and the strength index was obtained. In order to further study the micro-strength mechanism and the failure process, based on the discrete element method, a numerical model of MICP cemented sand column was established considering the factors of matrix soil particle gradation, particle morphology, content ratio of induced calcium carbonate, pore distribution characteristics, inter-particle cementation and so on. The failure process of MICP cemented sand column under load was analysed by numerical simulation, and the reliability of the numerical model was tested by combining with the stress intensity curve of samples under test conditions. The results indicate that compared with the actual triaxial tests of MICP cemented sand column, although there are deviations in stress and strain, cohesion and internal friction angle, the numerical simulation shows similar development law and intensity amplitude, and the same failure trend. The work in this paper verifies the reliability of the numerical model and provides a theoretical basis for the subsequent analysis of the factors influencing the geotechnical mechanical properties of biomineralized materials.</div></div>","PeriodicalId":100175,"journal":{"name":"Biogeotechnics","volume":"3 3","pages":"Article 100071"},"PeriodicalIF":0.0,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139632237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A large-scale study on solidification of gold tailings based on microbially induced carbonate precipitation (MICP) 基于微生物诱导碳酸盐沉淀(MICP)的金尾矿固化大规模研究
Biogeotechnics Pub Date : 2025-09-01 Epub Date: 2025-01-26 DOI: 10.1016/j.bgtech.2025.100164
Yaoting Duan , Qin Yuan , Caiqi Yu , Chunli Zheng
{"title":"A large-scale study on solidification of gold tailings based on microbially induced carbonate precipitation (MICP)","authors":"Yaoting Duan ,&nbsp;Qin Yuan ,&nbsp;Caiqi Yu ,&nbsp;Chunli Zheng","doi":"10.1016/j.bgtech.2025.100164","DOIUrl":"10.1016/j.bgtech.2025.100164","url":null,"abstract":"<div><div>One of the major challenges in the application of microbially induced carbonate precipitation (MICP) is achieving \"bacteria freedom\", as it necessitates a substantial volume of bacterial solutions. Nevertheless, both in-situ bacterial cultivation and transportation of bacterial solutions have proven to be inefficient. In this study, we suggested the utilization of bacteria in the form of dry powder, enabling easy on-site activation and achieving a relatively high urease activity. We conducted MICP curing experiments on gold mine tailings (GMT) using steel slag (SS) as an additive. The results showed that the average unconfined compressive strength (UCS) values of the tailings treated with MICP and MICP+SS reached 0.51 and 0.71 MPa, respectively. In addition, the average leaching reduction rates of Cu, Pb, Cr, Zn, and T-CN in GMT after MICP treatment reached 98.54%, 100%, 70.94%, 59.25%, and 98.02%, respectively, and the average reduction rates after MICP+SS treatment reached 98.77%, 100%, 88.03%, 72.59%, and 98.63%, respectively. SEM, XRD, FT-IR analyses, and ultra-deep field microscopy results confirmed that the MICP treatment produced calcite-based calcium carbonate that filled the inter-tailing pores and cemented them together, and the hydration mechanism was the main reason for the increased curing efficiency of SS. Our research findings demonstrate that bacterial powder can efficiently achieve the objectives of heavy metal removal and tailing solidification. This approach can substantially decrease the expenses associated with bacterial cultivation and solution transportation, thereby playing a crucial role in advancing the practical implementation of MICP.</div></div>","PeriodicalId":100175,"journal":{"name":"Biogeotechnics","volume":"3 3","pages":"Article 100164"},"PeriodicalIF":0.0,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144557688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of environmental conditions on the growth of Pleurotus ostreatus in sand 沙地环境条件对平菇生长的影响
Biogeotechnics Pub Date : 2025-06-01 Epub Date: 2024-11-03 DOI: 10.1016/j.bgtech.2024.100137
Emmanuel Salifu , Giuseppe Di Rauso Simeone , Giacomo Russo , Maria A. Rao , Gianfranco Urciuoli , Grainne El Mountassir
{"title":"Influence of environmental conditions on the growth of Pleurotus ostreatus in sand","authors":"Emmanuel Salifu ,&nbsp;Giuseppe Di Rauso Simeone ,&nbsp;Giacomo Russo ,&nbsp;Maria A. Rao ,&nbsp;Gianfranco Urciuoli ,&nbsp;Grainne El Mountassir","doi":"10.1016/j.bgtech.2024.100137","DOIUrl":"10.1016/j.bgtech.2024.100137","url":null,"abstract":"<div><div><em>Pleurotus ostreatus,</em> a saprotrophic fungus, has been proposed for the remediation of organic contaminants in soils and more recently for modifying the hydraulic and mechanical behaviour of granular soils. The in situ performance of fungal-based biotechnologies will be controlled by the fungal growth and associated biochemical activity that can be achieved in soil. In this study, the influence of environmental conditions (temperature, degree of saturation), substrate type (lignocellulose and spent coffee grounds) and concentration on the mycelium growth of <em>P. ostreatus</em> in sand are investigated. Furthermore, the evolution of growth/survival indicators (respiration, ergosterol concentration) and enzymatic activity (laccase, manganese peroxidase) are investigated. Temperature was shown to have a strong influence on the growth of <em>P.ostreatus</em> in sand: growth was observed to be delayed at low temperatures (e.g. 5 °C), whereas growth was prevented at high temperatures (e.g. 35 °C). No growth was observed at very low degrees of saturation (<em>S</em><sub><em>r</em></sub><em>=</em>0% and 1.2%), indicating there is a critical water content required to support <em>P.ostreatus</em> growth. Within the mid-range of water contents tested radially, growth of <em>P.</em>ostreatus was similar. However, growth under saturated soil conditions was restricted to the air-water atmosphere due to the requirement for oxygen availability. Low substrate concentrations (1%–5%) resulted in high radial growth of <em>P.ostreatus</em>, whereas increasing substrate content further acted to reduce radial growth, but visual observations indicated that fungal biomass density increased. These results are important for understanding the feasibility of <em>P.ostreatus</em> growth under specific site conditions and for the design of successful treatment strategies.</div></div>","PeriodicalId":100175,"journal":{"name":"Biogeotechnics","volume":"3 2","pages":"Article 100137"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143697752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficacy of milk powder additive in biocementation technique for soil stabilization 奶粉添加剂在生物固化土壤技术中的功效
Biogeotechnics Pub Date : 2025-06-01 Epub Date: 2024-06-08 DOI: 10.1016/j.bgtech.2024.100111
Jie Yin , Lexuan Zhang , Ke Zhang , Cheng Zhang , Yang Yang , Mohamed A. Shahin , Liang Cheng
{"title":"Efficacy of milk powder additive in biocementation technique for soil stabilization","authors":"Jie Yin ,&nbsp;Lexuan Zhang ,&nbsp;Ke Zhang ,&nbsp;Cheng Zhang ,&nbsp;Yang Yang ,&nbsp;Mohamed A. Shahin ,&nbsp;Liang Cheng","doi":"10.1016/j.bgtech.2024.100111","DOIUrl":"10.1016/j.bgtech.2024.100111","url":null,"abstract":"<div><div>Microbial-Induced Carbonate Precipitation (MICP) is an emerging, environmental-friendly, and sustainable technology that has shown great potential for soil stabilization. However, its process efficiency has been recognized as a major challenge for its practical application in engineering. Non-fat powdered milk (NFPM) has been shown to have positive effects in enzymatical-induced carbonate precipitation (EICP), so in this study, we evaluated its use as an additive in the MICP process. A comparison between conventional MICP and NFPM-modified MICP was conducted, including chemical conversion efficiency, urea hydrolysis rate, and mechanical performance of sandy soils. A series of laboratory tests including precipitation analysis, unconfined compressive strength (UCS), and microstructure analysis were conducted. The results showed that the addition of NFPM could improve urease activity, enhance chemical conversion efficiency, and lead to superior strength improvement compared to conventional MICP. Microstructure and particle size analysis revealed that the presence of NFPM was beneficial for larger crystal cluster formation between sand grains, which could result in stronger bonds and better mechanical performance. In summary, this study indicates that the use of NFPM in MICP process can represent a more sustainable and economically viable approach for soil stabilization. The findings provide valuable information for engineers and researchers working in soil stabilization and environmental engineering, highlighting the potential of using natural additives such as NFPM to promote the sustainable development of MICP technique.</div></div>","PeriodicalId":100175,"journal":{"name":"Biogeotechnics","volume":"3 2","pages":"Article 100111"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141403995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Architecture characterization of orchard trees for mechanical behavior investigations 果树机械行为研究的结构表征
Biogeotechnics Pub Date : 2025-06-01 Epub Date: 2024-08-31 DOI: 10.1016/j.bgtech.2024.100138
Min Kyung Jeon , Matthew Burrall , Tae Hyuk Kwon , Jason T. DeJong , Alejandro Martinez
{"title":"Architecture characterization of orchard trees for mechanical behavior investigations","authors":"Min Kyung Jeon ,&nbsp;Matthew Burrall ,&nbsp;Tae Hyuk Kwon ,&nbsp;Jason T. DeJong ,&nbsp;Alejandro Martinez","doi":"10.1016/j.bgtech.2024.100138","DOIUrl":"10.1016/j.bgtech.2024.100138","url":null,"abstract":"<div><div>Characterizing the architecture of tree root systems is essential to advance the development of root-inspired anchorage in engineered systems. This study explores the structural root architectures of orchard trees to understand the interplays between the mechanical behavior of roots and the root architecture. Full three-dimensional (3D) models of natural tree root systems, Lovell, Marianna, and Myrobalan, that were extracted from the ground by vertical pullout are reconstructed through photogrammetry and later skeletonized as nodes and root branch segments. Combined analyses of the full 3D models and skeletonized models enable a detailed examination of basic bulk properties and quantification of architectural parameters. While the root segments are divided into three categories, trunk root, main lateral root, and remaining roots, the patterns in branching and diameter distributions show significant differences between the trunk and main laterals versus the remaining lateral roots. In general, the branching angle decreases over the sequence of bifurcations. The main lateral roots near the trunk show significant spreading while the lateral roots near the ends grow roughly parallel to the parent root. For branch length, the roots bifurcate more frequently near the trunk and later they grow longer. Local thickness analysis confirms that the root diameter decays at a higher rate near the trunk than in the remaining lateral roots, while the total cross-sectional area across a bifurcation node remains mostly conserved. The histograms of branching angle, and branch length and thickness gradient can be described using lognormal and exponential distributions, respectively. This unique study presents data to characterize mechanically important structural roots, which may help link root architecture to the mechanical behaviors of root structures.</div></div>","PeriodicalId":100175,"journal":{"name":"Biogeotechnics","volume":"3 2","pages":"Article 100138"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143697750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-temporal-resolution ERT characterization for vegetation effects on soil hydrological response under wet-dry cycles 干湿循环下植被对土壤水文响应影响的高时间分辨率ERT表征
Biogeotechnics Pub Date : 2025-06-01 Epub Date: 2024-12-02 DOI: 10.1016/j.bgtech.2024.100155
Wei Yan , Weiming Xu , Taosheng Huang , Ping Shen , Wan-Huan Zhou
{"title":"High-temporal-resolution ERT characterization for vegetation effects on soil hydrological response under wet-dry cycles","authors":"Wei Yan ,&nbsp;Weiming Xu ,&nbsp;Taosheng Huang ,&nbsp;Ping Shen ,&nbsp;Wan-Huan Zhou","doi":"10.1016/j.bgtech.2024.100155","DOIUrl":"10.1016/j.bgtech.2024.100155","url":null,"abstract":"<div><div>Characterization of vegetation effect on soil response is essential for comprehending site-specific hydrological processes. Traditional research often relies on sensors or remote sensing data to examine the hydrological properties of vegetation zones, yet these methods are limited by either measurement sparsity or spatial inaccuracy. Therefore, this paper is the first to propose a data-driven approach that incorporates high-temporal-resolution electrical resistivity tomography (ERT) to quantify soil hydrological response. Time-lapse ERT is deployed on a vegetated slope site in Foshan, China, during a discontinuous rainfall induced by Typhoon Haikui. A total of 97 ERT measurements were collected with an average time interval of 2.7 hours. The Gaussian Mixture Model (GMM) is applied to quantify the level of response and objectively classify impact zones based on features extracted directly from the ERT data. The resistivity-moisture content correlation is established based on on-site sensor data to characterize infiltration and evapotranspiration across wet-dry conditions. The findings are compared with the Normalized Difference Vegetation Index (NDVI), a common indicator for vegetation quantification, to reveal potential spatial errors in remote sensing data. In addition, this study provides discussions on the potential applications and future directions. This paper showcases significant spatio-temporal advantages over existing studies, providing a more detailed and accurate characterization of superficial soil hydrological response.</div></div>","PeriodicalId":100175,"journal":{"name":"Biogeotechnics","volume":"3 2","pages":"Article 100155"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143697751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Climate impacts on deformation and instability of vegetated slopes 气候对植被边坡变形和失稳的影响
Biogeotechnics Pub Date : 2025-06-01 Epub Date: 2024-09-16 DOI: 10.1016/j.bgtech.2024.100139
Qi Zhang , Haiyi Zhong , Haowen Guo , Junjun Ni
{"title":"Climate impacts on deformation and instability of vegetated slopes","authors":"Qi Zhang ,&nbsp;Haiyi Zhong ,&nbsp;Haowen Guo ,&nbsp;Junjun Ni","doi":"10.1016/j.bgtech.2024.100139","DOIUrl":"10.1016/j.bgtech.2024.100139","url":null,"abstract":"<div><div>Eco-geotechnical engineering plays a pivotal role in enhancing global sustainability and upholding the performance of earthen structures. The utilization of vegetation to stabilise geotechnical infrastructures is widely recognized and embraced for its environmentally friendly attributes. The spectre of climate change further intensifies the focus on the effects of temperature and humidity on vegetated soil. Consequently, there is a pressing need for research exploring the influence of changing climates on vegetated infrastructures. Such research demands a holistic and interdisciplinary approach, bridging fields such as soil mechanics, botany, and atmospheric science. This review underscores key facets crucial to vegetated geotechnical infrastructures, encompassing climate projections, centrifuge modelling, field monitoring, and numerical methodologies.</div></div>","PeriodicalId":100175,"journal":{"name":"Biogeotechnics","volume":"3 2","pages":"Article 100139"},"PeriodicalIF":0.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143697753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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