Environmental Geochemistry and Health最新文献_第8页

The contribution of algal activity to the origin and composition of organic matter in river sediments (Vrbas River, Bosnia and Herzegovina). 藻类活动对河流沉积物中有机物的来源和组成的贡献（Vrbas河，波斯尼亚和黑塞哥维那）。

IF 3.2 3区环境科学与生态学

Environmental Geochemistry and Health Pub Date : 2025-03-26 DOI: 10.1007/s10653-025-02455-3

Sanja Pržulj, Gorica Veselinović, Sanja Stojadinović, Milica Balaban, Marko Ivanišević, Jan Schwarzbauer, Branimir Jovančićević

{"title":"The contribution of algal activity to the origin and composition of organic matter in river sediments (Vrbas River, Bosnia and Herzegovina).","authors":"Sanja Pržulj, Gorica Veselinović, Sanja Stojadinović, Milica Balaban, Marko Ivanišević, Jan Schwarzbauer, Branimir Jovančićević","doi":"10.1007/s10653-025-02455-3","DOIUrl":"10.1007/s10653-025-02455-3","url":null,"abstract":"This study analyses sediments of the Vrbas River from its source to the Sava River confluence, assessing the origin of bitumen-type organic substances and the presence of anthropogenic oil-type pollutants. It focuses particularly on the impact of algae on the composition of organic matter. Saturated hydrocarbons were isolated by Soxhlet extraction, and group composition was determined by column chromatography. n-Alkanes, terpanes and steranes, alcoholic and fatty acid fractions were analysed by gas chromatography-mass spectrometry. The samples contain lower amounts of bitumen and higher amounts of NSO compounds and asphaltenes over the hydrocarbons, suggesting the presence of native organic substances. However, the bimodal distribution of n-alkanes suggests two precursors: higher terrestrial plants responsible for native, immature organic matter and another precursor accountable for the marked dominance of even low-chain n-alkanes. Sterane and terpene distribution could potentially point to the algal precursor, but more than that, they are hard evidence of oil-type pollution in sediments. The homologous sequence of fatty acids in the sediments indicates the presence of microorganisms, bacteria, and algae. However, cis-9-hexadecenoic acid, a product of algae biosynthesis, is another evidence of algal precursor. Cholesterol and its homologues were detected in the alcoholic fraction, indicating the presence of low-chain fatty acids with a regular sequence, which is more likely to originate from algae than bacteria. Considering that the investigated sediments also contain an oil-type pollutant, it can be assumed that normal alkanes with the specified range and distribution are biosynthesized by algae developed on the petroleum base.","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 5","pages":"137"},"PeriodicalIF":3.2,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143729501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Slow-release ferrous effects on synchronous stabilization of lead, cadmium, and arsenic in soil. 缓释亚铁对土壤中铅、镉和砷同步稳定的影响。

IF 3.2 3区环境科学与生态学

Environmental Geochemistry and Health Pub Date : 2025-03-26 DOI: 10.1007/s10653-025-02432-w

Zhi Jiang, HongZhen Ran, Lin Yu, Mei Jiang, Weichun Yang

{"title":"Slow-release ferrous effects on synchronous stabilization of lead, cadmium, and arsenic in soil.","authors":"Zhi Jiang, HongZhen Ran, Lin Yu, Mei Jiang, Weichun Yang","doi":"10.1007/s10653-025-02432-w","DOIUrl":"10.1007/s10653-025-02432-w","url":null,"abstract":"Zero-valent iron (ZVI)-based materials is considered promising for the synchronous stabilization of soils contaminated with multi-heavy metals (e.g., Pb(II), Cd(II), and As(V)), particularly due to its continuous slow-release ferrous. However, little is known about the effect of slow-released Fe(II) on the stabilization of Pb, Cd, and As in the contaminated soil. In this study, ZVI(Fe0) and ball-milled ZVI(B-Fe0), with different ability of slow-releasing Fe(II), were used to investigate the effect of slow-released Fe(II) on the simultaneous stabilization of Pb, Cd, and As in soil. The B-Fe0, with stronger ability to sustainably release Fe(II), possessed higher stabilization efficiency of Pb, Cd, and As in soil compared to the Fe0. After 56 days of B-Fe0 treatment, the stabilization efficiency of NaHCO3-extractable As and DTPA-extractable Pb and Cd reached 72.52%, 43.63%, and 34.71%, respectively. The speciation change analysis demonstrated that soil Pb, Cd, and As were transformed into more stable states with the treatment time. The superior stabilization performance could be attributed to the slow-release of ferrous, which not only increased the content of iron oxide in the soil, but also promoted the conversion of amorphous iron (hydro)oxides (e.g., ferrihydrite) into crystalline magnetite. Consequently, Pb, Cd, and As were effectively stabilized by being incorporated into the structure of the secondary Fe mineral. This study provided valuable guidance for the application of ZVI-based materials in the stabilization remediation of multi-heavy metals contaminated soils.","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 5","pages":"136"},"PeriodicalIF":3.2,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143729497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cellulose nanocrystals for green remediation of contaminated soil with multiple heavy metals. 纤维素纳米晶体对重金属污染土壤的绿色修复研究。

IF 3.2 3区环境科学与生态学

Environmental Geochemistry and Health Pub Date : 2025-03-25 DOI: 10.1007/s10653-025-02450-8

Yaoyue Zhang, Zesen Ye, Weishan Liao, Qitang Wu, Zebin Wei, Rongliang Qiu, Ting Gao, Weixuan Xian, Kailong Zhang, Mi Li, Yangmei Chen

{"title":"Cellulose nanocrystals for green remediation of contaminated soil with multiple heavy metals.","authors":"Yaoyue Zhang, Zesen Ye, Weishan Liao, Qitang Wu, Zebin Wei, Rongliang Qiu, Ting Gao, Weixuan Xian, Kailong Zhang, Mi Li, Yangmei Chen","doi":"10.1007/s10653-025-02450-8","DOIUrl":"10.1007/s10653-025-02450-8","url":null,"abstract":"In soil contamination management, simultaneous remediation of soil contaminated with multiple heavy metals (MHM-contaminated soil) continues to present a substantial scientific challenge. This study utilized cellulose nanocrystals (CNC) as an environmentally friendly washing agent to remediate soil contaminated with cadmium (Cd), lead (Pb), copper (Cu), and zinc (Zn). We investigated how CNC affects heavy metals removal under various conditions through soil washing experiments and its impact on soil health (including heavy metal distribution and ecological risk, soil phytotoxicity, soil microbial abundance and diversity) and the metals removal mechanism determined via Fourier transform infrared and 2D correlation spectroscopy (FTIR-2D COS). The results showed that CNC's pH significantly influenced the removal of heavy metals. CNC treatment reduced mobile Cd fractions by > 20.7%, lowered ecological risk from moderate (RI = 153.9) to low (< 150), maintained seed germination rates (comparable to controls) with 1.57 cm longer roots, and enhanced microbial richness (Chao1/ACE) while preserving diversity (Shannon/Simpson). FTIR-2D COS results showed that functional groups (-COOH and O-H) of CNC play a critical role in metals removal through electrostatic adsorption, displacement, and complexation reaction. This study suggested that CNC holds considerable potential for green-remediating MHM-contaminated soil.","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 4","pages":"133"},"PeriodicalIF":3.2,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143709191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Methylobacterium sp. EIKU22 as a strategic bioinoculant for uranium and arsenic mitigation in agricultural soil: a microbial solution for sustainable agriculture. 甲基杆菌EIKU22作为农业土壤中减少铀和砷的战略性生物接种剂：可持续农业的微生物解决方案。

IF 3.2 3区环境科学与生态学

Environmental Geochemistry and Health Pub Date : 2025-03-25 DOI: 10.1007/s10653-025-02444-6

Atif Aziz Chowdhury, Nilendu Basak, Monojit Mondal, Ekramul Islam

{"title":"Methylobacterium sp. EIKU22 as a strategic bioinoculant for uranium and arsenic mitigation in agricultural soil: a microbial solution for sustainable agriculture.","authors":"Atif Aziz Chowdhury, Nilendu Basak, Monojit Mondal, Ekramul Islam","doi":"10.1007/s10653-025-02444-6","DOIUrl":"10.1007/s10653-025-02444-6","url":null,"abstract":"Mitigation of potentially toxic elements (PTEs) such as uranium (U) and arsenic (As), and fulfilment of global food demand requires a sustainable approach. Therefore, a multiple PTE-tolerant Methylobacterium sp. EIKU22 was explored for its bioremediation and biofertilization potential. This multi-metal tolerant isolate removed 29.88% U (initial dose: 100 mg L-1, pH 4.0, biosorption 3.74 mg g-1) after 14 days, following pseudo-second-order (PSO) kinetics. The isolate also showed 54% As(III) [pseudo-first-order kinetic; 3.72 mg g-1]; and ~ 37% As(V) (PSO; 2.4 mg g-1) removal within 60 min with the same initial dosing of either As(III) or As(V). Moreover, the strain precipitated > 96.5% and ~ 97% of U using released phosphate from inorganic and organic sources, respectively. Further analysis with inorganic phosphate showed > 31%, > 41% and > 98% of U precipitation from initial doses of 1000, 500 and 100 mg L-1 within 5 min. Methylobacterium sp. EIKU22 expresses the potential to solubilize ~ 178% phosphate, 169.8% potassium, 156-213% zinc within 6 days, and was able to withstand a pH range of 4.0-8.0, temperature range of 20-35 °C, and exhibited resilience to up to 10% NaCl exposure despite being affected by UV exposure. Further, the isolate showed to grow in nitrogen-free media and produce IAA, ammonia, siderophore, ACC deaminase, cellulase and catalase, suggesting potential application in plant growth promotion. The isolate harbours amoA, and nifH genes and imparts better survivability and vegetative growth in the rice seedling. These findings showcase the strain's dual applicability. However, further investigation is needed to generalize the findings.","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 4","pages":"132"},"PeriodicalIF":3.2,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143709235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessment of water balance based on SWAT hydrological model: a case study of Oued Cherraa basin (Northeastern Morocco). 基于SWAT水文模型的水平衡评价：以摩洛哥东北部Oued Cherraa盆地为例

IF 3.2 3区环境科学与生态学

Environmental Geochemistry and Health Pub Date : 2025-03-25 DOI: 10.1007/s10653-025-02449-1

Mohammed Laaboudi, Abdelhamid Mezrhab, Zahar Elkheir Alioua, Ali Achebour, Wadii Snaibi, Said Elyagoubi

{"title":"Assessment of water balance based on SWAT hydrological model: a case study of Oued Cherraa basin (Northeastern Morocco).","authors":"Mohammed Laaboudi, Abdelhamid Mezrhab, Zahar Elkheir Alioua, Ali Achebour, Wadii Snaibi, Said Elyagoubi","doi":"10.1007/s10653-025-02449-1","DOIUrl":"10.1007/s10653-025-02449-1","url":null,"abstract":"The aim of the present study is to assess the hydrological water balance of Oued Cherraa catchment area in north-eastern Morocco, employing the SWAT (soil and water assessment tool) hydrological model. The principal goal was to examine pivotal elements of the water balance (precipitation, evapotranspiration, runoff, and aquifer recharge) and their geographical variation to offer insights for the sustainable management of water resources in this semi-arid region. The model was calibrated and validated using local climate and hydrological data. The resulting values indicated a moderate underestimation of observed flow, with the calibration having a PBIAS value of - 9.1 and the validation a PBIAS of - 0.2. A sensitivity analysis identified the deep aquifer percolation fraction (RCHRG_DP) and the baseflow recession coefficient (ALPHA_BF) as the most influential parameters. The study demonstrates that evapotranspiration represents 89% of annual precipitation, while runoff contributes only 6%. The role of shallow aquifers in water storage is more significant than that of deep aquifers, and irrigation practices have a notable impact on groundwater levels. These findings emphasize the necessity for sustainable water management and meticulous monitoring of aquifers to prevent overexploitation in Oued Cherraa basin. The SWAT model is demonstrated to be a valuable instrument for water resource management in semi-arid regions.","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 4","pages":"134"},"PeriodicalIF":3.2,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143709164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Correction: Monitoring of linear alkyl benzenes (LABs) in riverine and estuarine sediments in Malaysia. 更正：马来西亚河流和河口沉积物中线性烷基苯（实验室）的监测。

IF 3.2 3区环境科学与生态学

Environmental Geochemistry and Health Pub Date : 2025-03-24 DOI: 10.1007/s10653-025-02404-0

Najat Masood, Sadeq A A Alkhadher, Sami M Magam, Normala Halimoon, Abdulmohsen Alsukaibi, Mohamad Pauzi Zakaria, Vahab Vaezzadeh, Mehrzad Keshavarzifard, Sawsan Maisara, Mohammed Khaled Bin Break

引用次数: 0

Cadmium accumulation, sub-cellular distribution and interactions with trace metals (Cu, Zn, Fe, Mn) in different rice varieties under Cd stress. 镉胁迫下不同水稻品种镉积累、亚细胞分布及与微量金属（Cu、Zn、Fe、Mn）的相互作用

IF 3.2 3区环境科学与生态学

Environmental Geochemistry and Health Pub Date : 2025-03-23 DOI: 10.1007/s10653-025-02438-4

Palanisamy Vasudhevan, Aparna Suresh, Subhav Singh, Kamal Sharma, Ganapathi Sridevi, Saurav Dixit, Palaniswamy Thangavel

{"title":"Cadmium accumulation, sub-cellular distribution and interactions with trace metals (Cu, Zn, Fe, Mn) in different rice varieties under Cd stress.","authors":"Palanisamy Vasudhevan, Aparna Suresh, Subhav Singh, Kamal Sharma, Ganapathi Sridevi, Saurav Dixit, Palaniswamy Thangavel","doi":"10.1007/s10653-025-02438-4","DOIUrl":"10.1007/s10653-025-02438-4","url":null,"abstract":"Rice (Oryza sativa L.) is a staple food in most Asian countries, although it serves as a significant carrier of cadmium (Cd) accumulation. Developing low-Cd accumulating rice varieties is crucial for minimizing Cd contamination in soil and rice grains while also mitigating harmful health consequences. In the present study examined the Cd accumulation and sub-cellular distribution of both high Cd (IR-50) and low Cd (White Ponni) rice varieties under Cd-treated hydroponic nutrient solutions. The results showed that under all Cd treatments, overall plant height, plant fresh and dry biomass reduced substantially in both rice varieties compared to the control. Both rice varieties accumulated more Cd in their roots than shoots, with IR-50 accumulating higher Cd levels. Iron (Fe) concentrations were higher in both roots and shoots of both rice varieties compared to other trace elements. Translocation factor (TF) values were < 1, indicating limited Cd translocation from roots to shoots. Cd was mainly distributed in the epidermis, cortex, and bulliform cells of both rice varieties roots, and shoots. The peroxidase (POD), catalase (CAT), and superoxide dismutase (SOD) enzymes activity significantly increased in both IR-50 and WP rice varieties when exposed to Cd treatment. The current study concluded that the IR-50 rice variety accumulated and distributed more Cd than the WP rice variety under different Cd treatments. As a result, WP exhibited higher Cd tolerance, while IR-50 became more susceptible to Cd stress.","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 4","pages":"130"},"PeriodicalIF":3.2,"publicationDate":"2025-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143691066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Phytomanagement of shooting range soils contaminated by Pb, Sb, and as using Ricinus communis L.: effects of compost and AMF on PTE stabilization, growth, and physiological responses. 受铅、锑和蓖麻污染的靶场土壤植物管理：堆肥和AMF对PTE稳定、生长和生理反应的影响

IF 3.2 3区环境科学与生态学

Environmental Geochemistry and Health Pub Date : 2025-03-22 DOI: 10.1007/s10653-025-02431-x

Donato Visconti, Linda Carrino, Nunzio Fiorentino, Christophe El-Nakhel, Daniele Todisco, Massimo Fagnano

{"title":"Phytomanagement of shooting range soils contaminated by Pb, Sb, and as using Ricinus communis L.: effects of compost and AMF on PTE stabilization, growth, and physiological responses.","authors":"Donato Visconti, Linda Carrino, Nunzio Fiorentino, Christophe El-Nakhel, Daniele Todisco, Massimo Fagnano","doi":"10.1007/s10653-025-02431-x","DOIUrl":"10.1007/s10653-025-02431-x","url":null,"abstract":"Shooting ranges represent a critical case of soil contamination due to the accumulation of Pb, Sb, and As from bullet residues. Effective and sustainable remediation strategies are required to mitigate environmental and health risks while enabling land valorization. This study investigates the potential of Ricinus communis L. for phytomanagement of Pb-, Sb-, and As-contaminated soils, evaluating the combined effects of compost, mineral fertilizer, and arbuscular mycorrhizal fungi (AMF) on plant growth, PTE accumulation and bioavailability, and biomass production. A mesocosm experiment was conducted using highly contaminated soil (about 5000 mg kg⁻1 Pb, 100 mg kg⁻1 Sb). Despite severe contamination, Ricinus communis L. achieved stable biomass and seed yield (about 5.7 Mg ha⁻1 seeds, 2-3 Mg ha⁻1 oil), similar to values reported in non-contaminated soils of the Mediterranean area. Compost and AMF increased PTE bioavailability in the rhizosphere, likely due to root exudate activity, but maintained low translocation factors (TF < 1), indicating limited PTE uptake into aerial biomass. These findings confirm the phytostabilization potential of Ricinus communis L., reducing PTE dispersion while promoting renewable energy production preventing competition for land used for growing food crops.","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 4","pages":"129"},"PeriodicalIF":3.2,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143691108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Environmental assessment of metals in road dust: what do geochemical indices really tell us about pollution? 道路粉尘中金属的环境评价：地球化学指标究竟告诉我们什么？

IF 3.2 3区环境科学与生态学

Environmental Geochemistry and Health Pub Date : 2025-03-22 DOI: 10.1007/s10653-025-02443-7

Agnieszka Gałuszka, Zdzisław M Migaszewski

{"title":"Environmental assessment of metals in road dust: what do geochemical indices really tell us about pollution?","authors":"Agnieszka Gałuszka, Zdzisław M Migaszewski","doi":"10.1007/s10653-025-02443-7","DOIUrl":"10.1007/s10653-025-02443-7","url":null,"abstract":"Pollution of road dust has been studied for decades because of potential health and environmental risks resulting from elevated levels of metals in this medium. In many studies, environmental assessment of road dust pollution has been made with the use of indices that were originally introduced as a tool to assess the quality of air, soils and sediments. Examples of the most popular geochemical indices are the enrichment factor, the contamination factor, the index of geoaccumulation and the pollution index. We calculated these indices using the element concentrations (Ba, Ca, Cu, Fe, K, Mn, Pb, Si, Sr, Ti, Zn and Zr) in three grain fractions of road dust samples (< 2 mm, < 1 mm and < 0.063 mm) collected in the city of Kielce, Poland. The study showed that critical parameters to be considered in data interpretation are the selection of geochemical background value, the use of appropriate reference element and grain size fraction. Application of local geochemical background instead of the Earth's crust composition, grain fraction < 2 mm and appropriate reference elements are recommended for calculation of geochemical indices in road dust samples. This study shows that the use of geochemical indices for environmental assessment of road dust pollution should be carefully considered.","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 4","pages":"128"},"PeriodicalIF":3.2,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143691103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Geochemistry and risk assessment of potentially toxic elements in surface river sediments (Chirchik-Akhangaran basin, Uzbekistan). 河流表层沉积物中潜在有毒元素的地球化学和风险评估（乌兹别克斯坦Chirchik-Akhangaran盆地）。

IF 3.2 3区环境科学与生态学

Environmental Geochemistry and Health Pub Date : 2025-03-22 DOI: 10.1007/s10653-025-02441-9

Silvia Fornasaro, Lisa Ghezzi, Simone Arrighi, Nosir Shukurov, Maxim Petrov, Alessio Tomei, Riccardo Petrini

{"title":"Geochemistry and risk assessment of potentially toxic elements in surface river sediments (Chirchik-Akhangaran basin, Uzbekistan).","authors":"Silvia Fornasaro, Lisa Ghezzi, Simone Arrighi, Nosir Shukurov, Maxim Petrov, Alessio Tomei, Riccardo Petrini","doi":"10.1007/s10653-025-02441-9","DOIUrl":"10.1007/s10653-025-02441-9","url":null,"abstract":"The geochemistry of river sediments depends on several factors, namely the nature of exposed lithologies, weathering, different grain-size and sorting due to hydraulic phenomena, and anthropogenic inputs. Potentially toxic elements (PTEs) in river sediments may result in potential health risks due to overexposure when riverfronts are used for recreational activities. In the present study, sediments were collected from 17 sites in the Chirchik-Akhangaran River basin in the Tashkent Province (Uzbekistan, Central Asia) during baseflow conditions. The concentration of PTEs was determined in the < 2 mm (bulk) and < 63 µm (fine) grain-size fractions. The assessment of contamination using environmental indices highlighted low to moderate contamination for Li, Be, Co, Ni, Sb, V, and Cr in Chirchik and Akhangaran sediments and from moderate to high contamination for Cu, Zn, Mo, Cd, Tl, Pb, and As in some of the Akhangaran sites. The potential ecological risk indices suggest that risk ranges from low to moderate in most stations from the Chirchik and Akhangaran River catchments; high risk is restricted to few Akhangaran sites. Risk assessment carried out for the Chirchik River, where waterfront recreational use is popular, indicates that the non-carcinogenic risk is acceptable for all contaminants and all pathways for an outdoor recreational setting. The cumulative Hazard Index (HI) resulted to be lower than the acceptance threshold (HI < 1) for both children and adults (0.795 and 9.27 × 10-2, respectively). In the case of carcinogenic effects, the risk is unacceptable for As through the ingestion pathway. The calculated screening level for As is 2.86 mg/kg.","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 4","pages":"127"},"PeriodicalIF":3.2,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143691105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0