环境科学与生态学最新文献

{"title":"Enrichment of uranium-resistant microbial flora for U(VI) removal and mechanism analysis.","authors":"Taotao Zeng, Zhiyu Xiong, Yi Xiao, Jiayao Liu, Guohua Wang, Mingjuan Zhang, Shiyou Li","doi":"10.1016/j.jenvrad.2026.108196","DOIUrl":"https://doi.org/10.1016/j.jenvrad.2026.108196","url":null,"abstract":"<p><p>A community of uranium-tolerant microorganisms was isolated from a soil sample collected from the vicinity of a uranium tailing mine in South China to investigate the efficiency and mechanism of uranium removal. The maximum uranium (U(VI)) removal efficiency for microbes reached up to 90.9% at pH 6 and 35°C. Uranium can cause membrane lipid peroxidation to produce malondialdehyde, and activity levels of antioxidant enzymes, including superoxide dismutase and catalase, changed accordingly. Fourier transform infrared spectrometry (FT-IR) and X-ray diffraction (XRD) showed that oxygen-containing functional groups and amide groups were the main functional groups involved, and that H₂(UO₂)₂(PO₄)₂·8H₂O and HPUO₆·4H₂O were formed. The isolated uranium-resistant bacterial flora included Aeromonas, Acinetobacter, Stenotrophomonas, Unclassified f-Enterobacteriaceae, Shewanella and Pseudomonas. Microbial functional gene prediction revealed an increased abundance of genes associated with intracellular transport, lipid transport and metabolism, inorganic ion transport and metabolism. Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis showed that mainly genes related to the tricarboxylic acid cycle and quorum-sensing-related enzymes in resistance to uranium toxicity. This comprehensive analysis of the mechanisms of uranium resistant by microbial communities offers novel perspectives on the defensive responses of microorganisms under such stress.</p>","PeriodicalId":15667,"journal":{"name":"Journal of environmental radioactivity","volume":"300 ","pages":"108196"},"PeriodicalIF":2.2,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149224150","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}

{"title":"Sinking rates of phytoplankton in the Bohai and Yellow Seas: Insights into the regulatory role of the Yellow Sea cold water mass on carbon export.","authors":"Zhimin Liu, Penghe Li, Yehong Xin, Congcong Guo, Changling Ding, Xiangwei Zhao, Jun Sun","doi":"10.1016/j.marpolbul.2026.120490","DOIUrl":"https://doi.org/10.1016/j.marpolbul.2026.120490","url":null,"abstract":"<p><p>Phytoplankton sinking is a key process in the biological carbon pump, driving vertical transport of organic carbon in the ocean. The Yellow Sea Cold Water Mass (YSCWM) is a prominent hydrological feature in the Yellow Sea in warm seasons, yet its association with phytoplankton sinking rates and subsequent carbon export remains poorly understood. Here, we investigated phytoplankton sinking and carbon export in the Bohai Sea and in waters inside and outside the YSCWM through field and statistical analyses. Phytoplankton sinking rates, determined using the settling column (SETCOL) method based on chlorophyll a redistribution after water collection, ranged from -0.20 to 1.64 m d^-1. Both phytoplankton carbon biomass and flux exhibited pronounced spatial heterogeneity, and their spatial patterns were similar. In the Bohai Sea, sinking rates were statistically associated with multiple variables, whereas outside the YSCWM, chemical and biological variables were identified as important predictors. Inside the YSCWM, variance partitioning indicated that measured variables explained only a small fraction of the variation, suggesting that sinking rates in this stratified region are associated with more complex mechanisms. Structural equation modeling indicated that stratification was indirectly and negatively associated with carbon flux inside the YSCWM, whereas the nitrogen to phosphorus ratio was identified as an important indirect predictor outside the YSCWM. However, such statistical associations do not necessarily imply independent ecological mechanisms. These findings provide insights into phytoplankton-mediated carbon export in temperate shelf seas under climate warming.</p>","PeriodicalId":18215,"journal":{"name":"Marine pollution bulletin","volume":"234 Pt 1","pages":"120490"},"PeriodicalIF":4.9,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149224253","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}

{"title":"Health assessment of the striped venus clam, Chamelea gallina, along the Adriatic Coast: Physiological indices, biochemical indicators and contaminants bioaccumulation.","authors":"Teresa Sani, Arianna Mancuso, Daniel Angelozzi, Silvia Dall'Ara, Marta Cunha, Rosa Freitas, Carla Leite, Eduarda Pereira, Alessandra Campanelli, Mauro Marini, Stefano Goffredo, Federica Grilli","doi":"10.1016/j.marpolbul.2026.120479","DOIUrl":"https://doi.org/10.1016/j.marpolbul.2026.120479","url":null,"abstract":"<p><p>This study provides an integrated assessment of the health status of the striped venus clam Chamelea gallina along the western Adriatic coast by combining environmental data with physiological indices (survival in air and condition index), trace-element bioaccumulation, and biochemical biomarkers. Clams from northern, nutrient-rich areas showed longer survival in air during summer, coinciding with higher chlorophyll a and nitrate concentrations. In winter, northern sites showed a lower condition index, while several elements reached their highest concentrations at Goro, where clams also displayed a distinct antioxidant and detoxification biomarker profile. The integrated winter PCA indicated strong spatial co-variation among environmental conditions, elemental accumulation, and biochemical responses. Because these drivers covary along the Adriatic gradient, the observed patterns are best interpreted within a multiple-stressor framework rather than as responses to a single factor. These findings highlight the value of integrated monitoring for assessing the health and sustainability of this commercially important species under increasing environmental variability and anthropogenic pressure.</p>","PeriodicalId":18215,"journal":{"name":"Marine pollution bulletin","volume":"234 Pt 1","pages":"120479"},"PeriodicalIF":4.9,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149224406","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}

{"title":"Independent and Joint Associations of Long-Term Ambient Meteorological Exposures and Socioeconomic Deprivation with Major Adverse Cardiovascular Events: A Prospective Cohort Study.","authors":"Jinqun Cheng, Ge Chen, Yanhui Gao, Gregory Y H Lip, Xuejiao Chen, Junguo Zhang","doi":"10.1016/j.envpol.2026.129375","DOIUrl":"https://doi.org/10.1016/j.envpol.2026.129375","url":null,"abstract":"<p><p>Although acute meteorological events are recognized cardiovascular hazards, the combined cardiovascular impacts of long-term meteorological exposures and socioeconomic deprivation remain poorly characterized. Among 469,347 UK Biobank participants, we evaluated independent and interactive associations of 1-year average ambient temperature, relative humidity, and the Townsend deprivation index (TDI) with incident major adverse cardiovascular events (MACE), stroke, myocardial infarction (MI), and cardiovascular death. Over median 13.7-year follow-up, 31,626 MACE, 12,565 strokes, 17,062 MIs, and 7,161 cardiovascular deaths occurred. In Cox models, the highest versus lowest temperature category was associated with lower MACE risk (HR, 0.87; 95% CI, 0.84-0.91), whereas high humidity (HR, 1.10; 95% CI, 1.05-1.14) and high deprivation (HR, 1.39; 95% CI, 1.34-1.44) were independently associated with elevated risk. Under a counterfactual assigning the least deprived category's risk to both more deprived categories, 11.75% (95% CI, 9.68-13.77%) of incident MACE and 17.15% (12.68-21.39%) of cardiovascular deaths over 10 years would be attributable to deprivation (total-effect specification, omitting smoking, body mass index, hypertension and diabetes; fully adjusted, 6.67% and 11.09%). Temperature and humidity showed multiplicative interactions with TDI: versus the joint low-risk reference, low temperature with high deprivation had HR 1.55 (95% CI, 1.40-1.71) for MACE and high humidity with high deprivation HR 1.51 (1.34-1.71); additive interactions were significant only at intermediate temperature or intermediate humidity (RERI, 0.20 and 0.16). The deprivation gradient was stable in every sensitivity analysis; the temperature association did not persist within assessment centres, nor the humidity association under a time-varying specification, although both persisted across exposure windows and air-pollution adjustment. These findings indicate that long-term lower temperatures and higher humidity, together with socioeconomic deprivation, are independently and jointly associated with elevated cardiovascular risk, underscoring the need for integrated climate and social welfare policies to mitigate health disparities in vulnerable populations.</p>","PeriodicalId":311,"journal":{"name":"Environmental Pollution","volume":" ","pages":"129375"},"PeriodicalIF":7.2,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149222912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}

{"title":"Humin-accelerated microbial dechlorination of polychlorinated biphenyls in Taihu Lake sediment microcosms: Insights into congener and microbe shifts and the role of subsequently supplemented sulfidated nanoscale zero-valent iron.","authors":"Lei Xu, Xuexin Han, Yanqiang Tang, Ying Wang, Jiafeng Chen, Zhixing Xiao, Yan Xu","doi":"10.1016/j.envres.2026.125972","DOIUrl":"https://doi.org/10.1016/j.envres.2026.125972","url":null,"abstract":"<p><p>Microbial dechlorination is a promising route for the in situ detoxification of PCB-contaminated sediments, yet this is often limited by slow electron transfer and the progressive depletion of electron donors. Humin acts as a naturally occurring solid-phase redox mediator, whereas sulfidated nanoscale zero-valent iron (S-nZVI) can provide extra electrons. Both of them hold the potential to enhance PCB dechlorination. Herein, this study investigated the long-term (66 weeks) effect of humin on dechlorinating the most toxic commercial PCB mixture Aroclor 1254 in Taihu Lake sediment microcosms. Moreover, the triggering potential via supplemented S-nZVI were examined after Week 30, when initial dechlorination slowed down. The results showed that humin significantly accelerated PCB dechlorination during the rapid phase (Weeks 12-30), without altering the predominant meta- and para-dechlorination preferences. Total PCB mass decreased by approximately 32% while toxic equivalents declined by >99% by Week 66. Congener-specific analysis inferred three predominant humin-enhanced meta-dechlorination pathways of PCB110 (236-34)→PCB71 (26-34)→PCB32 (26-4), PCB99 (245-24)→PCB47 (24-24), and PCB92 (235-25)→PCB52 (25-25). Microbial analyses by multiple molecular biology tools suggest that humin (20 g·kg^-1 slurry basis) was associated with closer co-occurrence between putative dechlorinating and supporting anaerobic populations. Dehalococcoides abundance increased from ∼10⁷ to ∼10⁸ copies·mL^-1, accompanied by pronounced increases in the reductive dehalogenase (RDase) genes pcbA4 and pcbA5, which reached 1.00×10⁸ ± 3.75×10⁵ and 4.81×10⁸ ± 2.04×10⁷ copies·mL^-1, respectively. Supplementation with 0.1% (slurry basis) S-nZVI at Week 30, triggered further dechlorination and total PCB mass decreased by 44% at the end of Week 66. S-nZVI drove apparent increases of Dehalococcoides, Dehalogenimonas, as well as iron- and sulfate-respiration species. Predicted functional changes further displayed a wide community response accompanying sustained PCB dechlorination. Combining humin-enhanced rapid-phase dechlorination with S-nZVI-supported further dechlorination after dechlorination slows may provide a viable strategy for sustaining long-term PCB bioremediation.</p>","PeriodicalId":312,"journal":{"name":"Environmental Research","volume":" ","pages":"125972"},"PeriodicalIF":8.2,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149222848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}

{"title":"Moisture-induced pore restriction reveals a lower initial moisture window for aerobic composting of aquaculture-derived particulates.","authors":"Jiannan Li, Yanhao Deng, Yanling Yu, Weihua He, Yujie Feng","doi":"10.1016/j.envres.2026.125977","DOIUrl":"https://doi.org/10.1016/j.envres.2026.125977","url":null,"abstract":"<p><p>Aerobic composting offers a sustainable route for recycling aquaculture-derived particulates, but appropriate moisture conditions for these fine and adhesive materials remain unclear because conventional criteria are mainly derived from terrestrial wastes. Aquaculture-derived particulates were composted for 28 d at initial moisture contents of 40%, 45%, and 50%. The 40% treatment maintained the highest porosity and more favorable oxygen conditions, entered the thermophilic phase (>50 °C) on day 8, and remained thermophilic for 13 d. In contrast, the 45% treatment sustained thermophilic conditions for only 6 d, whereas the 50% treatment never exceeded 50 °C and reached a minimum O₂ concentration of 5.3%. The 40% treatment achieved a 52.47% decrease in C/N ratio, a final germination index of 81.7 ± 6.3%, and an HA/FA ratio of 1.87 ± 0.06, indicating enhanced organic matter stabilization and humification. Higher moisture caused persistent oxygen limitation, prolonged NH₄⁺-N accumulation, ammonia loss, and increased greenhouse gas emissions. Microbial and metagenomic analysis were consistent with faster succession toward thermotolerant and aerobic degraders under 40% moisture, whereas higher moisture favored oxygen-limited metabolic potentials. Aquaculture-derived particulates also contained higher mucin-equivalent levels than the conventional substrates examined, suggesting that mucin may increase moisture-dependent adhesion and pore restriction. These findings demonstrate that aquaculture particulate-based composting requires a lower initial moisture level than commonly applied to conventional substrates, highlighting the importance of balancing water availability and pore aeration to improve compost stability and mitigate greenhouse gas emissions.</p>","PeriodicalId":312,"journal":{"name":"Environmental Research","volume":" ","pages":"125977"},"PeriodicalIF":8.2,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149222862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}

{"title":"Gas-solid migration and stabilization of sulfur during thermal treatment of sulfur-rich coal gangue: A multi-waste management strategy.","authors":"Dexin Xu, Xuyao Qi, Mujun Chen, Huiyong Niu, Wencai Wang, Xinyu Wang, Lanjun Zhang, Yaqi Qin","doi":"10.1016/j.jenvman.2026.131195","DOIUrl":"https://doi.org/10.1016/j.jenvman.2026.131195","url":null,"abstract":"<p><p>Sulfur-rich coal gangue can release sulfur-containing gases during thermal utilization and mine backfilling; however, the coupling relationship between sulfur transformation and the evolution of Fe-bearing minerals remains poorly understood. In this study, ion chromatography, thermogravimetric analysis, X-ray diffraction, Fourier-transform infrared spectroscopy, X-ray photoelectron spectroscopy, and gas analysis were systematically integrated to elucidate sulfur migration behavior during thermal treatment and to evaluate waste-derived sulfur-fixing agents prepared from steel slag and shell powder through water and alkali activation. The results revealed that sulfur occurred predominantly in pyrite and underwent a stepwise transformation of S₂^2- → S_n^2- (n > 2)/S⁰ → S(VI), mainly as SO₄^2-, accompanied by the oxidation of iron from Fe(II)-S to Fe(II)-O and Fe(III)-O. SO₂ release was most pronounced at approximately 500 °C, identifying the critical temperature range for sulfur-emission control. The alkali-activated agent maintained an SO₂ inhibition efficiency above 96.67% at 300-500 °C and increased sulfur retention from 41% to 70% compared with the water-activated agent. Although alkali activation did not substantially alter the CaCO₃-dominated crystalline composition, it promoted reactive sulfur capture and sulfate formation in the solid residue. This study establishes a coupled Fe-S transformation mechanism and demonstrates a sustainable waste-derived approach for converting gaseous sulfur emissions into stable solid phases, providing new insights into the mitigation of sulfur-related environmental risks during sulfur-rich coal gangue utilization.</p>","PeriodicalId":356,"journal":{"name":"Journal of Environmental Management","volume":"419 ","pages":"131195"},"PeriodicalIF":9.2,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149223029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}

{"title":"Scaling of dimensions and concentrations of plastics in two Dutch rivers.","authors":"Jasmijn Polinder, Frank P L Collas, Félix P Leiva, Stephanie B Oswald, Margriet M Schoor, Wilco C E P Verberk, A Jan Hendriks","doi":"10.1007/s10661-026-16029-y","DOIUrl":"https://doi.org/10.1007/s10661-026-16029-y","url":null,"abstract":"<p><p>Plastic pollution raised great environmental concerns due to its persistence and widespread presence. To model ecological impacts, such as ingestion by wildlife, information on the abundance and dimensions of plastic particles is fundamental. Our study examined the relationships between size dimensions (length, area, circumference) of individual particles and the length of particles, their concentration, and cumulative surface area. Plastic particles were collected with trawl nets from upstream and downstream sites in two Dutch rivers in 2023 and 2024. Particle dimensions, including length (defined as the longest axis), surface area, circumference, and the number of particles, were measured. Geometric means of particle concentrations and cumulative surface area concentrations were calculated for equal-sized bins based on length and plotted against particle length on a log-log scale. Reduced major axis and ordinary linear least squares regressions determined the power relationships between size dimensions of individual particles. For length-based bins, we evaluated how concentrations and total surface area co-varied with length classes. Size dimensions were strongly and positively related, indicating differences in shape across size classes. Contrary to previous research, the length of plastic particles was not strongly correlated to their concentration in the Meuse River and varied between sampling locations. The cumulative surface area concentration increased significantly with length. The findings of the study should be viewed with caution, as they were based on two Dutch rivers. Even greater caution is warranted for the relationships between particle length and concentration, and between particle length and cumulative surface area, as they were based solely on measurements in the Meuse.</p>","PeriodicalId":544,"journal":{"name":"Environmental Monitoring and Assessment","volume":"198 11","pages":""},"PeriodicalIF":3.6,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149223037","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}

{"title":"High mercury levels in Doochi, a local shark skin and intestine dish of the Eastern coast of Korea.","authors":"Jeong Woo Park, Eun-Sook Lee, Kiook Baek","doi":"10.1007/s10661-026-16032-3","DOIUrl":"https://doi.org/10.1007/s10661-026-16032-3","url":null,"abstract":"<p><p>Doochi, a traditional Korean dish made from boiled shark skin and intestine, may be a source of mercury exposure. In 2013, total mercury was measured in untreated fragments of boiled shark skin from 32 purchased servings of Doochi and of 32 raw skins sold as its ingredient. In 2022, another serving was separated into the skin and intestine, each fully homogenized and analyzed in triplicate at an accredited laboratory. The geometric mean was 0.349 µg/g in the boiled skin fragments and 0.122 and 0.137 µg/g in the outer and inner layers of the raw skin. After homogenization, the boiled skin contained 2.667-2.882 µg/g and the intestine 0.295-0.333 µg/g. The homogenized boiled skin exceeded the European total mercury limit of 1.0 µg/g for shark, and its estimated methylmercury concentration exceeded the Korean limit of 1.0 µg/g for deep-sea fish. Fragment concentrations varied 167-fold and were more dispersed than in raw skin (Levene's test, p < 0.001). Hazard quotients against the methylmercury reference dose were 0.15 to 0.57 under traditional ceremonial consumption, and exceeded 1 at 10 to 36 servings per year depending on the assumptions; the corresponding intakes were 7 to 25% of the provisional tolerable weekly intake under that pattern and reached it at 22 to 81 servings per year. Under the assumptions of this analysis, exposure at the traditional consumption frequency was below the reference dose, but frequency warrants attention as the dish becomes more widely available, particularly for individuals of lower body weight.</p>","PeriodicalId":544,"journal":{"name":"Environmental Monitoring and Assessment","volume":"198 11","pages":""},"PeriodicalIF":3.6,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149223096","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}

{"title":"A spatiotemporally corrected radiological contamination mapping platform for multi-scenario nuclear and radiological emergencies.","authors":"Hyunsung Kim, Myeongsik Shin, Ku Kang","doi":"10.1016/j.jenvrad.2026.108185","DOIUrl":"https://doi.org/10.1016/j.jenvrad.2026.108185","url":null,"abstract":"<p><p>Rapid, quantitative assessment of the environmental consequences of radioactive contamination (and protection of responders operating within it) requires reconstructing continuous contamination fields from heterogeneous reconnaissance measurements. We present an automated platform that converts geo-referenced dose-rate data from ground and airborne assets into hazard-consequence maps. This study presents the platform architecture and quantitatively validates its spatial-reconstruction and decision-support modules; the altitude-correction and temporal-normalization modules are formalized as architecture components whose empirical validation is identified as future work. Airborne measurements are first converted to ground-equivalent dose rates through an altitude-dependent air-to-ground correction factor (AGCF) modeled as a segmented broken power-law (SBPL), then normalized to a common reference time using radionuclide half-life decay for radiological accidents or the Kaufmann power law for nuclear detonations. Normalized data are reconstructed into continuous 2-D fields by interpolation. Five methods, namely inverse distance weighting (IDW), ordinary kriging (OK), universal kriging (UK), anisotropic OK, and thin-plate spline (TPS), were evaluated in two scenarios: a 2000 kT nuclear surface burst (HotSpot 3.1.2) and the Fukushima Daiichi nuclear power plant accident (JAEA airborne surveys, 2011-2025). Performance was strongly scenario-dependent: for the detonation, TPS and anisotropic OK far outperformed isotropic OK (R²=0.866 and 0.849 vs. 0.256), a gap robust across resampling (95% CIs non-overlapping), whereas all methods converged in the Fukushima field (mean R²=0.938-0.957) under random hold-out; under spatially-independent block cross-validation this convergence is weaker and accuracy is lower (R²≈0.70-0.75), yet the anisotropy-aware advantage in the detonation field is reinforced. No single method is universally optimal; scenario-adaptive selection is essential for consequence estimation, exclusion-zone delineation, and minimum-dose routing in operational platforms.</p>","PeriodicalId":15667,"journal":{"name":"Journal of environmental radioactivity","volume":"300 ","pages":"108185"},"PeriodicalIF":2.2,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149224145","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}