Arabian Journal of Geosciences最新文献

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Large-scale flood forecasting in coastal reservoir with hydrological modeling 利用水文模型进行沿海水库大规模洪水预报
IF 1.827
Arabian Journal of Geosciences Pub Date : 2024-10-30 DOI: 10.1007/s12517-024-12109-w
Vijay Suryawanshi, Ramesh Honnasiddaiah, Nasar Thuvanismail
{"title":"Large-scale flood forecasting in coastal reservoir with hydrological modeling","authors":"Vijay Suryawanshi,&nbsp;Ramesh Honnasiddaiah,&nbsp;Nasar Thuvanismail","doi":"10.1007/s12517-024-12109-w","DOIUrl":"10.1007/s12517-024-12109-w","url":null,"abstract":"<div><p>Coastal cities face increasing flood risks due to urban expansion and climate change. This study simulates flood hydrographs in the Netravathi River watershed using the HEC-HMS hydrological model to improve flood management in Mangalore, Karnataka, which has experienced severe floods recently. The SCS curve number (CN) method was selected for its efficacy in estimating surface runoff across diverse land use and soil types. GIS tools analyzed spatial data on soil types, drainage, and land cover changes from 1990 to 2021, enhancing runoff forecast accuracy. Model calibration optimized parameters with historical flood events, and validation used independent past flood events. Validation showed a strong correlation between observed and simulated runoff hydrographs, particularly during peak discharge periods. A high Nash–Sutcliffe Efficiency (0.89) and low Percentage Bias (0.65%) demonstrate the model’s accuracy. The coefficient of determination (0.86) confirms the model’s predictive capability. The HEC-HMS model effectively forecasts streamflows in ungauged catchments within the Netravathi sub-basin using measured rainfall data, enabling more precise planning and management of water resource developments.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"17 11","pages":""},"PeriodicalIF":1.827,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142540602","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
Sole and complementary effect of animal manures and wood ash on maize production and P uptake in tropical soils 动物粪便和木灰对热带土壤中玉米产量和 P 吸收的单独和互补效应
IF 1.827
Arabian Journal of Geosciences Pub Date : 2024-10-29 DOI: 10.1007/s12517-024-12117-w
Toyin Blessing Odelana, Ganiyu Olawale Bankole, Oladele Abdullahi Oguntade, Jamiu Oladipupo Azeez
{"title":"Sole and complementary effect of animal manures and wood ash on maize production and P uptake in tropical soils","authors":"Toyin Blessing Odelana,&nbsp;Ganiyu Olawale Bankole,&nbsp;Oladele Abdullahi Oguntade,&nbsp;Jamiu Oladipupo Azeez","doi":"10.1007/s12517-024-12117-w","DOIUrl":"10.1007/s12517-024-12117-w","url":null,"abstract":"&lt;div&gt;&lt;p&gt;Information on the sole and complementary effect of wood ash and animal manures on phosphorus (P) and maize growth in literature is scarce. Therefore, this study was carried out to determine the sole effect of animal manures, wood ash, and their combined effect on P uptake and maize performance, in some alfisols of southwest Nigeria. Treatments included control, poultry manure (PM), poultry manure + wood ash (PMWA), cattle manure (CM), cattle manure + wood ash (CMWA), and wood ash (WA). Sole manures were applied at a rate of 5 tha&lt;sup&gt;−1&lt;/sup&gt;, wood ash at a rate of 90 kg P ha&lt;sup&gt;−1&lt;/sup&gt; while mixtures of animal manure and wood ash were applied at 90 kg P ha&lt;sup&gt;−1&lt;/sup&gt;and 5 tha&lt;sup&gt;−1&lt;/sup&gt; to soils under screen house and field conditions after which maize seeds were sown. Agronomic parameters of maize were measured fortnightly. Data collected were analyzed, and significant treatments were separated using the Duncan multiple range test. Result indicated that Maize plant height increased by 35, 33, 32, 31, 26, and 22% respectively with the single application of CMWA, PMWA, CM, PM, and WA from the 2nd to 8th weeks after planting. Furthermore, an increase of 28%, 29%, 31%, 35% and 48%, 41%, 30%, 27%, respectively, was recorded in CM, CMWA, PM, and PMWA amended pots relative to the control and WA in the screen house experiment. At 8 weeks after planting (WAP), the amendment effect was significant across all the experimental soils; an increase of 35%, 7%, and 182% in stem girth was recorded with the application of CM, respectively, relative to the control soil from Alabata, Obada, and Owode. The increase in leaf area from the 2nd week to the 8th week was in the order control (54%) &lt; WA (58%) &lt; CMWA (85%) &lt; CM (87%) &lt; PM (88%) &lt; PMWA (114%) in the screen house. Furthermore, leaf area observed in CM, CMWA, PM, and PMWA was 178, 142, 115, and 102% higher than the control treatment. The residual effect of amendments on maize height indicated that maize plant heights in CM, CMWA, PM, and PMWA amended pots were 92, 51, 82, and 67% higher than the control. The application of PMWA significantly increased the dry matter yield of maize by 66, 135, 663, and 59% when compared to the control CM, CMWA, and PM, respectively. Phosphorus uptake in amended pots was the highest in PMWA amended pots for all the soils except soil from Obada in the first cycle of the screen house experiment. However, in the second cycle of the screen house experiment, CM had a residual effect on dry matter and P uptake in comparison to all other amendments. The percent mean increases of maize plant height from 2 to 12WAP of the field trial in plots are CMWA (26%), WA (29%), CM (30%), PMWA (30%), and PM (31%). The percent mean increases of maize stem girth were CMWA (263%), WA (316%), CM (290%), PMWA (291%), and PM (368%), and the percent mean increases of maize leaf area were WA (46%), CM (47%), PM (52%), CMWA (53%), and PMWA (54%) over the 12 weeks of the field ","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"17 11","pages":""},"PeriodicalIF":1.827,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142524461","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
Site-specific design response spectra proposed for Sarcheshmeh Copper Mine in Iran and seismic hazard analysis 为伊朗 Sarcheshmeh 铜矿提出的特定场地设计反应谱及地震危害分析
IF 1.827
Arabian Journal of Geosciences Pub Date : 2024-10-28 DOI: 10.1007/s12517-024-12106-z
Zahra Sabzi, Sadaf Dalirazar
{"title":"Site-specific design response spectra proposed for Sarcheshmeh Copper Mine in Iran and seismic hazard analysis","authors":"Zahra Sabzi,&nbsp;Sadaf Dalirazar","doi":"10.1007/s12517-024-12106-z","DOIUrl":"10.1007/s12517-024-12106-z","url":null,"abstract":"<div><p>Given the uncertainty in earthquake forecasting, seismic hazard analysis has been considered to be the better method to estimate site-specific response spectra in seismic design. This research addresses a seismic hazard study for the Sarcheshmeh Copper Site in the Kerman Province, in southeast Iran. The first part of this paper includes an evaluation of seismotectonic and seismicity conditions throughout the study area. The second part addresses the seismic hazard analysis procedure followed by the determination of design ground motion parameters which is finally expressed in terms of peak ground acceleration in deterministic and probabilistic schemes. The peak ground acceleration (PGA) was obtained for the 75-, 475-, and 2475-year return period spectrum. (Kijko and Sellevoll’s in Bull Seismol Soc Am 79(3):645 654, 1989) method was used for the evaluation of seismicity parameters, and the SEISRISK III computer program was used to conduct the probabilistic seismic hazard analysis. Finally, the third part is devoted to the development of the earthquake design spectrum obtained by dynamic ground response analysis. Site response analysis program, EERA (Equivalent-linear Earthquake site Response Analysis), which implements an equivalent linear approach, was used for one-dimensional ground response analyses. The subsurface conditions including the geometry of the soil layers and their dynamic properties were extracted from the geotechnical investigations. Based on the results, the PGA values for the 75-, 475-, and 2475-year return period spectrum are 0.087, 0.302, and 0.425, respectively. This paper can provide guidance on conducting seismic hazard analyses at other sites. Also, the results could be used for earthquake-resistant design of civil engineering infrastructures of the studied area.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"17 11","pages":""},"PeriodicalIF":1.827,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142519040","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 comprehensive study on the hydrological data of the Kopili River at Dharamtul of Morigaon district of Assam, India 印度阿萨姆邦莫里贡县达拉姆图尔的科比里河水文数据综合研究
IF 1.827
Arabian Journal of Geosciences Pub Date : 2024-10-28 DOI: 10.1007/s12517-024-12115-y
Biplab Sarmah, Minakshi Bora
{"title":"A comprehensive study on the hydrological data of the Kopili River at Dharamtul of Morigaon district of Assam, India","authors":"Biplab Sarmah,&nbsp;Minakshi Bora","doi":"10.1007/s12517-024-12115-y","DOIUrl":"10.1007/s12517-024-12115-y","url":null,"abstract":"<div><p>The Kopili River, which is the largest south-bank tributary of the river Brahmaputra, is primarily responsible for the frequent floods in the Morigaon and Nagaon districts of Assam, a northeastern state of India. The area of Dharamtul in Morigaon district is particularly susceptible to floods every year. Therefore, the current study aims to examine the hydrological characteristics of the Kopili River at the Dharamtul site so that insights can be drawn regarding the annual flooding patterns in the region. In this research, historical time series data has been utilized to create a comprehensive hydrological database. The database includes information such as peak discharge, design discharge for different return periods (10 years, 25 years, 50 years, and 100 years), stage-discharge rating curve, return period, and annual hydrograph for the Kopili river at the selected site, which is also a designated gauge site for the Water Resource Department of the Government of Assam. The findings of this research will be valuable in formulating flood models and implementing flood mitigation measures in the region in the long run. Additionally, it will pave the way for further hydrological studies in the area.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"17 11","pages":""},"PeriodicalIF":1.827,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518560","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
Assessment and prediction of noise pollution–induced health impacts in urban environment: a structural equation modeling (SEM)–based approach 评估和预测城市环境中由噪声污染引起的健康影响:基于结构方程模型(SEM)的方法
IF 1.827
Arabian Journal of Geosciences Pub Date : 2024-10-26 DOI: 10.1007/s12517-024-12114-z
Rohit Patel, Prasoon Kumar Singh, Shivam Saw, Shashikant Tiwari
{"title":"Assessment and prediction of noise pollution–induced health impacts in urban environment: a structural equation modeling (SEM)–based approach","authors":"Rohit Patel,&nbsp;Prasoon Kumar Singh,&nbsp;Shivam Saw,&nbsp;Shashikant Tiwari","doi":"10.1007/s12517-024-12114-z","DOIUrl":"10.1007/s12517-024-12114-z","url":null,"abstract":"<div><p>In recent years, the problem of noise pollution in urban areas has gained significant attention due to its detrimental impact on the health of residents. The present study aims to determine the current noise pollution scenario and direct and indirect association between the influencing factors on health issues of residents in an urban environment. The study utilized a partial least square-structural equation modeling (PLS-SEM) approach to examine the hypotheses related to how individuals perceive noise pollution and its impact on their health. The research findings reveal that noise annoyance and noise sensitivity have a direct impact on noise induced health issues, while demographic characteristics and traffic noise have an indirect influence. Additionally, noise level monitoring was conducted during morning, afternoon, and evening hours to evaluate ambient noise levels and prepare noise maps. Analysis of the prepared noise maps revealed that many sampling locations show noise levels higher than, or close to, 70 dBA. The study aims to develop a decision-support tool that utilizes data on noise pollution levels and associated health issues to inform policy interventions for managing and controlling noise pollution in urban settings.\u0000</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"17 11","pages":""},"PeriodicalIF":1.827,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142519129","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
Geographically distributed trend and variability analysis of rainfall over the state of Haryana, India, using Climate Hazards Group InfraRed Precipitation with Station (CHIRPS) data dataset 利用气候灾害小组红外降水站(CHIRPS)数据集,对印度哈里亚纳邦降雨量的地理分布趋势和变异性进行分析
IF 1.827
Arabian Journal of Geosciences Pub Date : 2024-10-25 DOI: 10.1007/s12517-024-12110-3
Amit Kumar, Anil Kumar Singh, Ajay Kumar Taloor
{"title":"Geographically distributed trend and variability analysis of rainfall over the state of Haryana, India, using Climate Hazards Group InfraRed Precipitation with Station (CHIRPS) data dataset","authors":"Amit Kumar,&nbsp;Anil Kumar Singh,&nbsp;Ajay Kumar Taloor","doi":"10.1007/s12517-024-12110-3","DOIUrl":"10.1007/s12517-024-12110-3","url":null,"abstract":"<div><p>Climate change is impacting global rainfall patterns, subsequently affecting food security worldwide. This study aims to analyse long-term rainfall trends at finer spatial resolutions to understand the effects of changing rainfall patterns on agriculture and other socioeconomic activities. Point rain-gauge data presents limitations, such as non-uniform geographic coverage, issues of data continuity and availability, and lack of data in remote regions. These challenges make high-resolution spatial trend analysis using point gauge observations difficult. To overcome these limitations, the study utilizes the Climate Hazards Group InfraRed Precipitation with Station (CHIRPS) data, which merges remote sensing data (radar and satellite observations) calibrated with rain-gauge datasets. The CHIRPS dataset, available at three temporal scales with a 5-km spatial resolution, is used for trend analysis and drought monitoring. The research evaluates rainfall trends over Haryana and its 77 tehsils (talukas) at seasonal and annual scales from 1981 to 2020. Trend analysis was conducted using the Mann–Kendall Test, Spearman’s coefficient test, and the magnitude of the trends was assessed using Sen’s slope estimate and linear regression. The findings reveal an increasing trend in both annual and monsoonal rainfall across Haryana and its 77 tehsils, except for Naraingarh tehsil in northern Haryana. The western part of Haryana shows a statistically significant increase in annual and monsoon rainfall. Conversely, winter and post-monsoon seasons exhibit a decreasing trend across almost all tehsils, while pre-monsoon rainfall shows a significant rising trend in the southern and southeastern tehsils. The annual and monsoon rainfall patterns have shifted, increasing by 6.26% and 6.68% respectively from the 1981–2010 WMO standard period to 1991–2020. These changing patterns suggest potential impacts on agricultural and economic activity management.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"17 11","pages":""},"PeriodicalIF":1.827,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518896","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
Analysis of stress intensity factor for moving Griffith crack in a transversely isotropic strip under punch pressure 冲压下横向各向同性带材中移动格里菲斯裂纹的应力强度因子分析
IF 1.827
Arabian Journal of Geosciences Pub Date : 2024-10-22 DOI: 10.1007/s12517-024-12098-w
Ajeet Kumar Singh, Abhishek Kumar Singh, Ram Prasad Yadav, Sayantan Guha
{"title":"Analysis of stress intensity factor for moving Griffith crack in a transversely isotropic strip under punch pressure","authors":"Ajeet Kumar Singh,&nbsp;Abhishek Kumar Singh,&nbsp;Ram Prasad Yadav,&nbsp;Sayantan Guha","doi":"10.1007/s12517-024-12098-w","DOIUrl":"10.1007/s12517-024-12098-w","url":null,"abstract":"<div><p>The present study is dedicated to analyzing Griffith crack transference within finitely thick and infinitely extending transversely isotropic strip. This strip is bounded by two parallel punches exerting a constant load distribution through Dirac delta functions, which are a consequence of plane waves propagating due to mechanical point loading. Moreover, the developed model employs coupled singular integral equations and Cauchy-type singularities. It is utilized to analyze the point load at the advancing crack tip, while leveraging Hilbert transformation properties to derive the stress intensity factor (SIF) under constant point loading in a closed analytical form. The investigation incorporates numerical computations and graphical representations to scrutinize the impact of various parameters, including crack length and speed, punch pressure, and different positions of the point load, on the SIF. These analyses are conducted for both transversely isotropic and isotropic material strips.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"17 11","pages":""},"PeriodicalIF":1.827,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s12517-024-12098-w.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142453130","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
K-means for earthquakes: disaggregation analyses of small events by considering wave components and soil types 地震 K-均值:通过考虑波成分和土壤类型对小型事件进行分类分析
IF 1.827
Arabian Journal of Geosciences Pub Date : 2024-10-21 DOI: 10.1007/s12517-024-12113-0
Enrico Zacchei, Reyolando Brasil
{"title":"K-means for earthquakes: disaggregation analyses of small events by considering wave components and soil types","authors":"Enrico Zacchei,&nbsp;Reyolando Brasil","doi":"10.1007/s12517-024-12113-0","DOIUrl":"10.1007/s12517-024-12113-0","url":null,"abstract":"<div><p>In this paper, k-means algorithm has been used to disaggregate seismic parameters to evaluate their inter-correlations. A goal is to quantify in a disaggregated way the weights and effects of each parameter with respect to other ones. From the database, about 4900.0 data, divided into 22.0 categories, have been collected. The main divisions regard the wave components in horizontal and vertical axis and the soil characteristics. The studied seismic zone is the “Norpirenaica oriental,” placed in the Pyrenees area between Spain and France, classified as a very high seismic hazard. Numerical and analytical analyses have been carried out to implement the algorithm. Preliminary analyses and results would quantify the role of the sand horizontal stratigraphy, the non-linear effects, the elasticity of the soil, and the energy damping phenomenon. Curves are plotted in stochastic distributions and elastic spectra accelerations. Results show good prediction for vertical spectral accelerations and for far and relative strong events. Rigorously, results are valid only for the studied seismogenic zone under predefined constrictions and ranges.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"17 11","pages":""},"PeriodicalIF":1.827,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s12517-024-12113-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142453055","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
Artificially obtained humic-like substances from chicken manure and symbionts in in vitro and in situ improvement of oil degradation in soil 从鸡粪和共生菌中人工获得的类腐殖质在体外和原位改善土壤中的石油降解作用
IF 1.827
Arabian Journal of Geosciences Pub Date : 2024-10-18 DOI: 10.1007/s12517-024-12105-0
Olga Senko, Nikolay Stepanov, Olga Maslova, Marina Gladchenko, Sergey Gaydamaka, Aysel Aslanli, Elena Efremenko
{"title":"Artificially obtained humic-like substances from chicken manure and symbionts in in vitro and in situ improvement of oil degradation in soil","authors":"Olga Senko,&nbsp;Nikolay Stepanov,&nbsp;Olga Maslova,&nbsp;Marina Gladchenko,&nbsp;Sergey Gaydamaka,&nbsp;Aysel Aslanli,&nbsp;Elena Efremenko","doi":"10.1007/s12517-024-12105-0","DOIUrl":"10.1007/s12517-024-12105-0","url":null,"abstract":"<div><p>Alkaline hydrolysate of chicken manure (HCM) containing artificially formed humic-like substances (HLSs) was investigated in combination with specially loaded cells (bacteria and microalgae) for oil degradation in soil. After 7 days in the laboratory experiment, the oil biodegradation efficiency in the polluted soil (50 g oil/kg soil) was 5–78% in 11 soil samples depending on the soil characteristics and used combination of additives. Higher level of oil-degradation corresponded to soil with high initial concentration of humic substances (HSs) (85–107 g/kg of dry matter). The best result in bioremediation (degradation of 82% of oil for 7 days) was achieved in experiment under field conditions with the similar initial oil pollution in the soil, when the HCM was used as additive (up to 220 mg HLSs/kg dry soil) in combination with an artificial symbionts composed of <i>Rhodococcus erythropolis</i> and <i>Chlorella vulgaris</i> cells. The introduction of HCM into oil-polluted soil with the mentioned cells led to an increase in all controlled enzymatic activities (peroxidase, dehydrogenase, phosphatase, protease, amylase, and urease) in the soil. The observed effects testified to activation of cell metabolic processes in the soil. As a result, the introduction of HCM in combination with artificial symbionts into the soil increased the rate of oil biodegradation under environmental conditions up to 1.8 times.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"17 11","pages":""},"PeriodicalIF":1.827,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142447385","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
Assessing the stabilization impact of silica fume and phosphogypsum on hydro-mechanical characteristics of clayey sand 评估硅灰和磷石膏的稳定作用对粘土砂水力机械特性的影响
IF 1.827
Arabian Journal of Geosciences Pub Date : 2024-10-18 DOI: 10.1007/s12517-024-12108-x
Muhammad Waleed, Fahad Alshawmar, Muhammad Abu-Bakr Jamil, Turab H. Jafri
{"title":"Assessing the stabilization impact of silica fume and phosphogypsum on hydro-mechanical characteristics of clayey sand","authors":"Muhammad Waleed,&nbsp;Fahad Alshawmar,&nbsp;Muhammad Abu-Bakr Jamil,&nbsp;Turab H. Jafri","doi":"10.1007/s12517-024-12108-x","DOIUrl":"10.1007/s12517-024-12108-x","url":null,"abstract":"<div><p>This work investigates the soil stabilization impact of adding silica fume and phosphogypsum on the hydro-mechanical behavior of clayey sand. Laboratory tests were performed on natural soil samples containing 5%, 10%, 15%, and 20% of silica fume and 3%, 6%, 9%, and 12% of phosphogypsum by weight of dry soil. The tests included particle size distribution, compaction characteristics, liquid limit, plastic limit, direct shear test, and hydraulic conductivity. The addition of phosphogypsum from 3 to 6% by weight of dry soil improved the engineering properties of the soil, resulting in an increase in the maximum dry density from 15.73 to 16.22 kN/m<sup>3</sup>. The highest shear strength of 17.91 kPa was obtained with an addition of 6% of phosphogypsum waste by the weight of dry soil. Similarly, a 10% substitution of silica fume in natural soil resulted in the highest shear strength of 20.37 kPa, providing improved resistance against liquefaction. The results show that the addition of phosphogypsum and silica fume stabilizers can be successfully used to treat clayey sand for various construction activities. The research outcomes will help engineers and construction professionals in implementing cost-effective and sustainable solutions for soil stabilization of clayey sand in practical applications.</p></div>","PeriodicalId":476,"journal":{"name":"Arabian Journal of Geosciences","volume":"17 11","pages":""},"PeriodicalIF":1.827,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142451141","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
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