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Review of environmental impact assessment applications in New Delhi's urban development: A systematic PRISMA review. 新德里城市发展中环境影响评价应用综述:系统的PRISMA综述。
IF 3.3 4区 环境科学与生态学
Integrated Environmental Assessment and Management Pub Date : 2026-09-01 DOI: 10.1093/inteam/vjag041
Kritika, Anjali Sharma
{"title":"Review of environmental impact assessment applications in New Delhi's urban development: A systematic PRISMA review.","authors":"Kritika, Anjali Sharma","doi":"10.1093/inteam/vjag041","DOIUrl":"10.1093/inteam/vjag041","url":null,"abstract":"<p><p>Environmental impact assessment (EIA) is a legal mechanism for assessing and minimizing the environmental impacts of urban development projects in India. New Delhi, as India's capital city, offers a critical empirical context for evaluating EIA practice, given its rapid urbanization, ecological vulnerability, and political importance. The scope of this systematic review is to explore the application of EIA to urban development projects in New Delhi between 2000 and mid-2025. Following Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, the initial search yielded 317 records, and 28 documents (peer-reviewed articles, theses, official EIA reports, and government action plans) were included after screening and assessing their eligibility for qualitative synthesis. Key sectors were transportation infrastructure (Delhi Metro extensions), riverfront and floodplain projects on the Yamuna, water and sewage infrastructure, and solid waste/landfill projects. The review found that EIA in Delhi did include project design improvements where mitigation was introduced, such as noise barriers, compensatory plantation, dust control; however, EIA also suffers from systematic shortcomings: No cumulative or strategic assessments, insufficient baseline ecological and hydrological data, inadequate public participation, and poor monitoring and enforcement after clearance. The evidence does indicate that while Delhi's high-profile projects (Delhi Metro) incorporated environmental safeguards, the long-term outcomes (Yamuna water quality) have been unsatisfactory. The article concludes with recommendations to strengthen institutional monitoring, adopt cumulative and strategic environmental assessments, enhance transparency, and integrate advanced technologies (geographic information system [GIS], remote sensing) for baseline and follow-up studies.</p>","PeriodicalId":13557,"journal":{"name":"Integrated Environmental Assessment and Management","volume":" ","pages":"1398-1412"},"PeriodicalIF":3.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147432710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Identifying PFAS sources using groundwater fingerprints in the Veneto Plain (Italy). 利用地下水指纹在威尼托平原(意大利)识别PFAS来源。
IF 3.3 4区 环境科学与生态学
Integrated Environmental Assessment and Management Pub Date : 2026-09-01 DOI: 10.1093/inteam/vjag090
Stefano Fabiano, Maurizio Guerra, Marco Falconi
{"title":"Identifying PFAS sources using groundwater fingerprints in the Veneto Plain (Italy).","authors":"Stefano Fabiano, Maurizio Guerra, Marco Falconi","doi":"10.1093/inteam/vjag090","DOIUrl":"10.1093/inteam/vjag090","url":null,"abstract":"<p><p>Poly- and perfluoroalkyl substances (PFAS) are over 4,000 synthetic compounds characterized by high chemical stability and environmental persistence. Building on data from the Forever Pollution Project, which mapped the extent of PFAS contamination across Europe, this study analyzed PFAS contamination in the Veneto Plain (Northeastern Italy). This was achieved by integrating concentration ratios; ternary diagrams; scatterplots; compositional principal component analysis (PCA); and Red, Green, and Blue (RGB) encoding across 511 groundwater sampling points categorized into seven distinct well groups. One group (contamination plume from a former industrial site near Vicenza that produced PFAS until 2018) exhibited the highest PFAS concentrations (perfluorooctanoic acid [PFOA] up to 1,240 ng/L; perfluorooctanesulfonic acid [PFOS] 120 ng/L; perfluorohexane sulfonic acid [PFHxS] 84 ng/L), with tight clustering in PCA score space, indicating a dominant single-source industrial release. Two additional groups (250-300 meters east and immediately adjacent to a chemical-pharmaceutical facility, respectively) recorded intermediate PFOA concentrations (80-320 ng/L). Combined ternary and scatterplot analyses suggested a dual-source influence, from local facility emissions superimposed onto the distal former industrial site plume. Three other groups (downstream, in the eastern and western sector of a tanning district, respectively) exhibited heterogeneous PFAS signatures (PFOS up to 83 ng/L; perfluorobutanesulfonic acid [PFBS] 45 ng/L), reflecting mixed industrial activities including tanning, metal finishing, and concrete production. Principal component analysis dispersion and geochemical fingerprints highlighted a significant groundwater mixing for these groups. Finally, the last well group (near a landfill) showed lower PFAS concentrations (perfluorohexanoic acid [PFHxA] up to 56 ng/L) and a distinct PFAS signature linked to leaching of aged municipal waste. The integrated forensic methodology distinguished discrete and mixed contamination sources, highlighting the value of compositional and spatial representation of analyzed PFAS in groundwater. By enabling more precise identification of contamination sources, this approach supports the application of the \"Polluter Pays Principle,\" informs policy decisions, and guides land management strategies for the remediation of affected areas.</p>","PeriodicalId":13557,"journal":{"name":"Integrated Environmental Assessment and Management","volume":" ","pages":"1496-1513"},"PeriodicalIF":3.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148042189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Who pays the price for a hotter planet? Environmental justice in a warming world. 谁为地球变热付出代价?全球变暖中的环境正义。
IF 3.3 4区 环境科学与生态学
Integrated Environmental Assessment and Management Pub Date : 2026-09-01 DOI: 10.1093/inteam/vjag072
Niely Galeão da Rosa Moraes, Flavio Manoel Rodrigues da Silva Júnior
{"title":"Who pays the price for a hotter planet? Environmental justice in a warming world.","authors":"Niely Galeão da Rosa Moraes, Flavio Manoel Rodrigues da Silva Júnior","doi":"10.1093/inteam/vjag072","DOIUrl":"https://doi.org/10.1093/inteam/vjag072","url":null,"abstract":"","PeriodicalId":13557,"journal":{"name":"Integrated Environmental Assessment and Management","volume":"22 5","pages":"1349-1351"},"PeriodicalIF":3.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148911839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Predicting the consequences of a NaTech event: occupational short-term inhalation risk supported by advanced pollutant dispersion modeling. 预测NaTech事件的后果:由先进污染物扩散模型支持的职业短期吸入风险。
IF 3.3 4区 环境科学与生态学
Integrated Environmental Assessment and Management Pub Date : 2026-09-01 DOI: 10.1093/inteam/vjaf073
Marco Ravina, Marta Brignone, Federico Urbinati, Claudia Schiavini, Mariachiara Zanetti, Deborah Panepinto
{"title":"Predicting the consequences of a NaTech event: occupational short-term inhalation risk supported by advanced pollutant dispersion modeling.","authors":"Marco Ravina, Marta Brignone, Federico Urbinati, Claudia Schiavini, Mariachiara Zanetti, Deborah Panepinto","doi":"10.1093/inteam/vjaf073","DOIUrl":"10.1093/inteam/vjaf073","url":null,"abstract":"<p><p>In this work, a methodology for the preventive assessment of the risk associated with the accidental inhalation of toxic substances at an industrial site is presented. The methodology is based on a NaTech (Natural-Hazard Triggered Technological Accidents) sequence modeling: event and site characterization; simulation of the accidental release and pollutant dispersion; and calculation of short-term risk, by averaging concentrations and comparing them with the reference values proposed by the main occupational exposure organizations worldwide. The proposed model is applied to a case study of a chemical company in central Italy. A hypothetical vessel failure leads to a pool release, evaporation, and dispersion of tetrahydrofuran. A pool evaporation model is applied, and the Lagrangian particle model Parallel Micro-Swift Spray (PMSS) is used for dispersion modeling. The resulting concentration fields show that the pollutant magnitude and distribution can vary depending on wind speed and direction and atmospheric conditions. Concentrations decrease rapidly with distance from the source, both horizontally and vertically. The maximum modeled concentration of 596 mg m-3 is recorded at the emission source. Inhalation hazard quotient (HQ) is calculated against the threshold limit value-short term exposure limit (TLV-STEL = 295 mg m-3). Hazard quotient exceedances are reported at the emission source. No exceeding is reported away from the source. The uncertainty on the calculated risk arises from considerations on modeling choices, threshold limit values, and the correction method for short-term concentration averaging. For the proposed general methodology, the presented model can be applied with relatively limited calculation resources and practical applicability.</p>","PeriodicalId":13557,"journal":{"name":"Integrated Environmental Assessment and Management","volume":" ","pages":"1470-1482"},"PeriodicalIF":3.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144505589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Distinguishing natural and anthropogenic stressors at a groundwater-surface water interface using a weight-of-evidence framework. 使用证据权重框架区分地下水-地表水界面的自然和人为压力源。
IF 3.3 4区 环境科学与生态学
Integrated Environmental Assessment and Management Pub Date : 2026-09-01 DOI: 10.1093/inteam/vjag056
Eduardo Cimino Cervi, G Allen Burton, Sara M Nedrich, Daniel R Lavoie, Rachel Zajac-Fay, Steven S Brown
{"title":"Distinguishing natural and anthropogenic stressors at a groundwater-surface water interface using a weight-of-evidence framework.","authors":"Eduardo Cimino Cervi, G Allen Burton, Sara M Nedrich, Daniel R Lavoie, Rachel Zajac-Fay, Steven S Brown","doi":"10.1093/inteam/vjag056","DOIUrl":"10.1093/inteam/vjag056","url":null,"abstract":"<p><p>This study applied a tiered weight‑of‑evidence (WoE) framework to evaluate whether contaminants of potential concern (COPCs)-chloride, ammonia, total dissolved solids, and elevated pH-transported through groundwater-surface water interactions contribute to benthic impairment at a calcium chloride production site. The assessment focused on five test stations (A to E) near suspected discharge zones and upstream reference sites within a drowned river‑mouth wetland, allowing comparison of exposure and biological responses across a hydrologic gradient. Four lines of evidence (LOEs) were integrated to distinguish natural and anthropogenic stressors influencing benthic macroinvertebrate communities: (1) Physicochemical characterization of COPCs; (2) benthic community assessments using indices of biotic integrity based on the Rapid Bioassessment Protocols and the Great Lakes Coastal Wetland Monitoring Program, along with reciprocal recolonization studies; (3) in situ toxicity testing; and (4) laboratory microcosm tests simulating contaminant upwelling under reasonable worst-case (RWC) conditions. Surface water pH remained within acceptable limits, whereas chloride and ammonia exceeded the Michigan EGLE regulatory thresholds at stations D and E. Ammonia concentrations exceeded the acute criterion at station E and the chronic criterion at station D. Both stations also experienced nighttime hypoxia (<1 mg L-1 DO). In situ toxicity tests implicated low dissolved oxygen (DO) and elevated ammonia as primary stressors, and microcosm experiments confirmed ammonia-related toxicity under RWC conditions. Benthic bioassessment indices and recolonization studies indicated moderate to severe impairment at stations D and E, while upstream and less-affected stations exhibited communities consistent with reference conditions. A fourth-phase investigation further confirmed DO depletion as a dominant stressor at station E, which showed the highest contaminant levels and the most impaired benthic communities. Overall, these findings highlight the value of a site‑specific WoE framework for distinguishing natural variability from legacy contamination in complex wetland environments and show how iterative refinement improves stressor identification and reduces misinterpretation.</p>","PeriodicalId":13557,"journal":{"name":"Integrated Environmental Assessment and Management","volume":" ","pages":"1682-1698"},"PeriodicalIF":3.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147608622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Temporal trends in anemia and particulate matter air pollution by sex and country-level income: Longitudinal evidence from 185 countries, 1990-2021. 按性别和国家收入划分的贫血和颗粒物空气污染的时间趋势:来自185个国家的纵向证据,1990-2021年。
IF 3.3 4区 环境科学与生态学
Integrated Environmental Assessment and Management Pub Date : 2026-09-01 DOI: 10.1093/inteam/vjag055
Veli Durmuş, Selin Kalender, Nurcan Coşkun Us
{"title":"Temporal trends in anemia and particulate matter air pollution by sex and country-level income: Longitudinal evidence from 185 countries, 1990-2021.","authors":"Veli Durmuş, Selin Kalender, Nurcan Coşkun Us","doi":"10.1093/inteam/vjag055","DOIUrl":"10.1093/inteam/vjag055","url":null,"abstract":"<p><p>Anemia remains a major global health concern with multifactorial causes and consequences across income levels. Evidence linking environmental factors, such as particulate matter (PM2.5) air pollution, to anemia is limited. This study examined longitudinal associations between PM2.5 air pollution and anemia prevalence across 185 countries from 1990 to 2021, focusing on sex and income-level differences. Secondary data on PM2.5 exposure, anemia prevalence, socioeconomic indices (Socio-demographic Index [SDI], Healthcare Access and Quality [HAQ], Sustainable Development Goals [SDGs]), and health-related factors (iron, vitamin A, calcium, zinc deficiencies, and kidney dysfunction) were analyzed using joinpoint regression and generalized estimating equations (GEEs). Globally, anemia prevalence rose by 8% in males and 9% in females over 32 years, with substantial variation by income group. Upper-middle-income countries achieved the greatest reductions in anemia disability-adjusted life years (DALYs), while low-income countries showed the largest PM2.5 declines (5%). Generalized estimating equation analysis found significant associations between anemia prevalence and PM2.5 pollution (β = 2.18, p = .002), income level (β = 1.25, p = .025), and female sex (β = 1.14, p = .033). Particulate matter exposure rose most steeply in lower-middle-income countries (2008-2012) but declined in high-income countries (2015-2019). Despite declining PM2.5 exposure, global anemia prevalence has increased. Addressing air pollution alongside other health-related factors is essential, particularly in low-income countries.</p>","PeriodicalId":13557,"journal":{"name":"Integrated Environmental Assessment and Management","volume":" ","pages":"1698-1711"},"PeriodicalIF":3.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147608703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
A mode-of-action-based approach for predicting cross-species sensitivity of freshwater invertebrates to chemicals. 基于作用模式的方法预测淡水无脊椎动物对化学物质的跨物种敏感性。
IF 3.3 4区 环境科学与生态学
Integrated Environmental Assessment and Management Pub Date : 2026-09-01 DOI: 10.1093/inteam/vjag061
Amy Ockenden, Anthony Turner, Ieuan J Roberts, Rana Al-Jaibachi, Alistair B A Boxall, Lorraine Maltby
{"title":"A mode-of-action-based approach for predicting cross-species sensitivity of freshwater invertebrates to chemicals.","authors":"Amy Ockenden, Anthony Turner, Ieuan J Roberts, Rana Al-Jaibachi, Alistair B A Boxall, Lorraine Maltby","doi":"10.1093/inteam/vjag061","DOIUrl":"10.1093/inteam/vjag061","url":null,"abstract":"<p><p>Chemical pollution is a major and growing pressure on freshwater ecosystems, yet it is unfeasible to test the effects of every chemical on every species. As a result, environmental risk assessment depends heavily on extrapolating toxicity from a few model species and chemicals, often without mechanistic justification. Here, we investigate whether grouping chemicals by toxic mode of action, i.e., chemicals acting through the same biological mechanism, can support prediction of cross-species and cross-chemical variation in sensitivity. Specifically, we address three questions: (1) Do species show more consistent rank-order sensitivity across chemicals that share the same toxic mode of action? (2) Within each mode of action, can variation in potency be explained by differences in chemical hydrophobicity? and (3) Can stable interspecific sensitivity patterns be used to predict toxicity for untested species and chemicals using a sensitivity-ratio read-across approach anchored on Daphnia magna? We generated an acute toxicity dataset for 12 chemicals representing four modes of action (demethylation inhibitors, quinone outside inhibitors, sodium-channel modulators, and aryl hydrocarbon receptor agonists) and nine freshwater invertebrates spanning a diverse range of taxa tested under standardized laboratory conditions. Species sensitivity rankings were strongly conserved within modes of action but not between modes of action. Increasing chemical hydrophobicity was associated with higher toxicity for three modes of action, but this relationship was not consistent across all modes of action. The sensitivity-ratio method, anchored on Daphnia magna, successfully reproduced species sensitivity patterns and predicted mean effect concentration values for untested species with median fold-errors of 1.7-2.3 across modes of action. Overall, the stable trait-driven sensitivity patterns revealed within each mode of action offer a mechanistic foundation for more reliable read-across predictions and a pathway toward more efficient and ecologically meaningful chemical risk assessment.</p>","PeriodicalId":13557,"journal":{"name":"Integrated Environmental Assessment and Management","volume":" ","pages":"1712-1725"},"PeriodicalIF":3.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147728973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
The role of Life Cycle Assessment in Safe and Sustainable by Design: Lessons learned from a case study on plasticizers. 生命周期评估在安全及可持续设计中的作用:个案研究的经验教训。
IF 3.3 4区 环境科学与生态学
Integrated Environmental Assessment and Management Pub Date : 2026-09-01 DOI: 10.1093/inteam/vjag059
Davide Tosches, Carla Caldeira, Francesca Demichelis, Debora Fino, Serenella Sala
{"title":"The role of Life Cycle Assessment in Safe and Sustainable by Design: Lessons learned from a case study on plasticizers.","authors":"Davide Tosches, Carla Caldeira, Francesca Demichelis, Debora Fino, Serenella Sala","doi":"10.1093/inteam/vjag059","DOIUrl":"10.1093/inteam/vjag059","url":null,"abstract":"<p><p>Safe and Sustainable by Design (SSbD) is a concept introduced in the Chemical Strategy for Sustainability of the European Commission, with the ambition of guiding innovation in chemicals and materials design toward the minimization of impacts on human health and the environment. To operationalize this concept, the European Commission Joint Research Centre developed a scientific framework, which integrates safety and environmental sustainability considerations. Such a framework was then adopted by the European Commission as a recommendation, for the use of companies and research institutes working on the development of chemicals and materials. The framework brings together two different aspects: safety and environmental sustainability. Safety is addressed looking at intrinsic properties of the chemicals and assessing risks related to exposure scenarios for workers, consumers, and environment, while the environmental sustainability aspect is assessed via the application of Life Cycle Assessment (LCA) following the provisions of the Product Environmental Footprint method. The goal of this study is to test via a case study the use of LCA to assess six plasticizers, assessing the framework's applicability and proposing approaches to address challenges and research needs. Indeed, while literature on LCA of chemicals is expanding, there are still a number of open issues to be addressed. Seven pivotal challenges are presented and discussed in this study. They cover all the phases of the life cycle, from the goal and scope (benchmark definition and application to intermediate products) to Life Cycle Inventory (LCI) (availability of data, modeling of end of life, additional information and innovation perspective) and Life Cycle Impact Assessment (LCIA) (e.g., comprehensively addressing impacts related to substances of concern). The case study examined and the seven identified challenges are starting points for improving the implementation of the Safe and Sustainable by Design framework, promoting sustainable innovation in the manufacturing of chemicals and materials.</p>","PeriodicalId":13557,"journal":{"name":"Integrated Environmental Assessment and Management","volume":" ","pages":"1623-1634"},"PeriodicalIF":3.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148283449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Influence of water table fluctuations and temperature on light nonaqueous phase liquid distribution in heterogeneous porous media. 地下水位波动和温度对非均质多孔介质中LNAPL分布的影响。
IF 3.3 4区 环境科学与生态学
Integrated Environmental Assessment and Management Pub Date : 2026-09-01 DOI: 10.1093/inteam/vjaf172
Lazzat Amangaliyeva, Maxime Cochennec, Sagyn Omirbekov, Eric D van Hullebusch, Stéfan Colombano, Aizhan Ibrayeva, Dorian Davarzani
{"title":"Influence of water table fluctuations and temperature on light nonaqueous phase liquid distribution in heterogeneous porous media.","authors":"Lazzat Amangaliyeva, Maxime Cochennec, Sagyn Omirbekov, Eric D van Hullebusch, Stéfan Colombano, Aizhan Ibrayeva, Dorian Davarzani","doi":"10.1093/inteam/vjaf172","DOIUrl":"10.1093/inteam/vjaf172","url":null,"abstract":"<p><p>The remediation of soils and aquifers contaminated by light nonaqueous phase liquid (LNAPL) relies on a precise understanding of the LNAPL distribution above the water table. This study investigates the impact of groundwater table fluctuations and temperature change on LNAPL redistribution in a heterogeneous porous medium through laboratory-scale experiments. Experiments were conducted in a two-dimensional tank simulating aquifer condition, using diesel fuel as the LNAPL. The reservoir, filled with coarse sand and fine sand low-permeability lenses, reproduced the subsurface heterogeneity. Following LNAPL infiltration from the top, controlled drainage and imbibition cycles simulated water table fluctuations. Experiments were conducted at 10 °C and 20 °C to characterize temperature effects. Fluid behavior was monitored using time domain reflectometry (TDR) probes and high-resolution image analysis. Time domain reflectometry measurements provided quantitative dielectric permittivity data, which were converted to saturation profiles. Simultaneously, an image processing approach using the Biodock platform based on AI and OpenCV was used to visualize the spatial distribution of LNAPL, water, and air. Applying the two methods allowed integrated methodology and a detailed understanding of the dynamics driving LNAPL migration. Results show that water table fluctuations significantly affect LNAPL redistribution, with each imbibition cycle leading to LNAPL entrapment in the capillary fringe due to wettability changes and capillary barriers. Higher temperature increased the mobility of LNAPL by reducing its viscosity, resulting in more efficient fluid displacement during drainage. This highlights the importance of studying the fate and transport of pollutants in the laboratory under temperature conditions relevant to aquifers. Low-permeability lenses further modulated LNAPL migration, emphasizing the critical role of subsurface heterogeneity. Overall, the comprehensive experimental design combining TDR and advanced image analysis provides insight into the mechanisms of LNAPL behavior under dynamic environmental conditions and hints at further improvements for predictive models and remediation strategies in contaminated subsurface environments.</p>","PeriodicalId":13557,"journal":{"name":"Integrated Environmental Assessment and Management","volume":" ","pages":"1483-1495"},"PeriodicalIF":3.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145563633","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Evaluation of pesticide residues in cereals at BBCH 30-39 to inform the wild mammals risk assessment (medium herbivorous scenario). 评估BBCH 30-39谷物中农药残留,为野生哺乳动物风险评估提供信息(中等食草情景)。
IF 3.3 4区 环境科学与生态学
Integrated Environmental Assessment and Management Pub Date : 2026-09-01 DOI: 10.1093/inteam/vjag023
Markus Ebeling, Manousos Foudoulakis, Paula Garcia, Christian Imholt, Claudia Janoske, Steven Kragten, Magnus Wang
{"title":"Evaluation of pesticide residues in cereals at BBCH 30-39 to inform the wild mammals risk assessment (medium herbivorous scenario).","authors":"Markus Ebeling, Manousos Foudoulakis, Paula Garcia, Christian Imholt, Claudia Janoske, Steven Kragten, Magnus Wang","doi":"10.1093/inteam/vjag023","DOIUrl":"10.1093/inteam/vjag023","url":null,"abstract":"<p><p>The regulatory risk assessment for pesticides in the European Union follows guidance provided by the European Food Safety Authority (EFSA). They recently updated their guidance on the risk assessment for birds and mammals (B&M), which now includes a new scenario for medium herbivorous mammals feeding on cereals at BBCH stages 30-39. A key input in the exposure assessment is the residue unit dose (RUD), the residue concentration on food items for B&M to be expected after spray application of 1 kg/ha of a substance in a crop. These RUD values depend on the size and morphology of a food item, and usually the RUD is lower, the larger the sprayed plant is. Residue trials evaluated for RUDs in EFSA 2009 excluded cereals at BBCH stages ≥30 because larger cereal plants were not supposed to be preferred as a food item by the small and medium sized mammals for which the regulatory risk assessment is performed. A geomean RUD of 47.2 mg/kg for monocotyledonous plants is now established by EFSA (2023) based on 218 data points, and shall be used also for herbivorous mammals eating cereal plants during BBCH 30-39. However, only 22 of these 218 data points come from trials with application in cereals at these BBCH stages. In the present evaluation, we collected residues values from 692 trials, conducted with 47 active substances, in cereals at BBCH stages 30-39, to provide a more robust database. We found an overall geomean RUD of 24.59 mg/kg for cereals at BBCH stages 30-39 and propose to merge our dataset with the 22 residue values from Annex C of EFSA (2023) in order to derive a robust default RUD value for cereals at BBCH 30-39 which can be used for risk assessment purposes. The resulting combined overall geomean RUD value is 25.05 mg/kg.</p>","PeriodicalId":13557,"journal":{"name":"Integrated Environmental Assessment and Management","volume":" ","pages":"1354-1356"},"PeriodicalIF":3.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146194496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
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