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Journal articles on the topic 'Age dependence of pollutant concentrations'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

N., Bravo, Hansen S., Økland I., et al. "Influence of maternal and sociodemographic characteristics on the accumulation of organohalogen compounds in Argentinian women. The EMASAR study." Environmental Research 158 (October 1, 2017): 759–67. https://doi.org/10.1016/j.envres.2017.07.033.

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The occurrence of organohalogen compounds in venous serum from post-partum mothers from two Argentinian cities, Salta and Ushuaia, has been investigated (n = 698). 4,4'-DDE was the most abundant compound in these cities, with geometric means of 33 and 67ng/g lipid weight, respectively. City of residence, age and parity were the main determinants of the accumulation of these compounds. Hexachlorobenzene (HCB) was the second most abundant pollutant in Ushuaia, 8.7ng/g lipid, and β-hexachlorocyclohexane (β-HCH) in Salta, 7.8ng/g lipid. Decabromodiphenyl ether was higher in Ushuaia than Salta, 8.2

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Efimova, Natalia V., Marina V. Kuzmina, and Elena V. Bobkova. "Assessment of the annual trend of chemical aerogenic risk to health and mortality of the population at an industrial center." Hygiene and sanitation 102, no. 12 (2023): 1375–80. http://dx.doi.org/10.47470/0016-9900-2023-102-12-1375-1380.

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Introduction. Ambient air pollution determines high levels of risk to public health, causing excess mortality.  The purpose of the study is to analyze the dependence of the seasonal dynamics of pollutants and mortality from major non-infectious diseases in the population of the industrial center of Eastern Siberia. Materials and methods. Air pollution in Bratsk was assessed based on data from monitoring systems for 2017–2022, taking into account one-time, average monthly and annual concentrations. Hazard indices and mortality rates (MR) from major causes were calculated. The annual

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Marrone, Erica, Cristina Longo, Jennifer O’Loughlin, et al. "Association between annual exposure to air pollution and systolic blood pressure among adolescents in Montréal, Canada." Health Promotion and Chronic Disease Prevention in Canada 43, no. 4 (2023): 191–98. http://dx.doi.org/10.24095/hpcdp.43.4.04.

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Introduction In adults, chronic exposure to air pollution is associated with elevated blood pressure, but few studies have examined this relationship in youth. We investigated the association between annual ambient concentrations of air pollutants (fine particulate matter [PM2.5] and nitrogen dioxide [NO2]) and systolic blood pressure (SBP) among adolescents in Montréal, Canada. Methods Participants were students aged 15 to 17 years who provided SBP and residential postal code data in 2004/05 through their enrolment in the Nicotine Dependence in Teens study. Annual estimates for 2004 of reside

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Galil, N., and M. Rebhun. "Primary Chemical Treatment Minimizing Dependence on Bioprocess in Small Treatment Plants." Water Science and Technology 22, no. 3-4 (1990): 203–10. http://dx.doi.org/10.2166/wst.1990.0202.

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In wastewater from small communities, institutions, hotels, camps and tourist areas the major pollutants such as organic matter, oil and grease and organic nitrogen are mainly in particulate form, while the soluble fractions of organics and nitrogen are low. This is due to the short residence times in the sewerage systems preventing decomposition and lysis. Such wastewaters are also characterized by high variations in pollution load, mostly in the particulate fraction. Small plants, treating wastewater for discharge to lakes or rivers, have to remove organic pollutants and nutrients, mainly ph

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Nguyen, Thi Thui Nhung, and Irina Vladimirovna Volkova. "Mercury accumulation in bivalve molluscs in hydroecosystem of Red River estuary (Vietnam)." Vestnik of Astrakhan State Technical University. Series: Fishing industry 2023, no. 1 (2023): 82–88. http://dx.doi.org/10.24143/2073-5529-2023-1-82-88.

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The article presents analysis of mercury content in different tissues such as gills, mantle, hepatopancreas and body (leg) in 4 species of bivalve molluscs in the estuary of the Red River in Vietnam. The studies were carried out in 2016–2021 during the main hydrological seasons (during the summer flood and winter low water) at 37 stations in the delta and estuarine coast of the Red River. There are shown the dependences of mercury content in mollusc tissues on the age parameters (length and mass of tissues) and on the content of pollutant in dissolved, suspended forms of near-bottom water laye

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Tereshchenko, Tatyana, Galina Sroslova, Margarita Postnova, Yuliya Zimina, and Mikhail Sroslov. "Influence of Anthropogenic Factors on the State of Woody Plants in Volgograd." Natural Systems and Resources, no. 1 (May 2021): 5–11. http://dx.doi.org/10.15688/nsr.jvolsu.2021.1.1.

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Studies conducted in different cities have shown that trees growing in urbanized areas reduce noise levels and cleanse the air of solid particles, ozone, sulfur dioxide, carbon monoxide, nitric oxide and other pollutants contained in car fumes, transport dust and generated by industry. The reaction to the influence of negative factors in woody plants is in disturbances in metabolism and biochemical composition, their general development also changes, and their population decreases. The indicators of disorders occurring at the cellular and tissue levels are more sensitive to the influence of ne

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Kozlova, Anastasia, Marina Stepantsevich, Vladislav Kukartsev, Aleksey Losev, and Natalya Yagudaeva. "Statistical analysis of seasonal variations in pollutant concentrations in urban atmosphere." E3S Web of Conferences 592 (2024): 06010. http://dx.doi.org/10.1051/e3sconf/202459206010.

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In the context of global climate change and urbanization, the issue of air quality is becoming increasingly relevant. Air pollution poses a threat to human health and ecosystems, highlighting the need for monitoring the concentrations of pollutants. This study examines the seasonal variations in the concentrations of harmful substances in the urban atmosphere using statistical methods. The aim of the research is to analyze time series data on concentrations of carbon monoxide (CO), nitrogen oxide (NO), nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), ammonia (NH3), and particulate mat

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Chan, Edward C., and Timothy M. Butler. "urbanChemFoam 1.0: large-eddy simulation of non-stationary chemical transport of traffic emissions in an idealized street canyon." Geoscientific Model Development 14, no. 7 (2021): 4555–72. http://dx.doi.org/10.5194/gmd-14-4555-2021.

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Abstract. This paper describes a large-eddy simulation based chemical transport model, developed under the OpenFOAM framework, implemented to simulate dispersion and chemical transformation of nitrogen oxides from traffic sources in an idealized street canyon. The dynamics of the model, in terms of mean velocity and turbulent fluctuation, are evaluated using available stationary measurements. A transient model run using a photostationary reaction mechanism for nitrogen oxides and ozone subsequently follows, where non-stationary conditions for meteorology, background concentrations, and traffic

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Girgždienė, Raselė, and Radvilė Rameikytė. "VARIATION OF PM10 MASS AND AEROSOL NUMBER CONCENTRATIONS IN ŠIAULIAI." JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT 15, no. 1 (2007): 47–53. http://dx.doi.org/10.3846/16486897.2007.9636907.

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The urban environment is distinguished by higher aerosol and gaseous pollutant concentrations than those in rural areas. A study of aerosol pollutant behavior was performed in an industrial Lithuanian city of Šiauliai. The PM10 mass concentration and meteorological parameter monitoring data were analysed. The aerosol number concentration was measured during a 10‐day experiment in Šiauliai. Analysis of PM10 showed that the workdays‐weekends phenomenon in the PM10 mass concentration distribution was prevailing. The PM10 mass concentration on workdays was higher in comparison with the concentrati

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Khuriganova, Olga I., Vladimir A. Obolkin, Liudmila P. Golobokova, Yuri S. Bukin, and Tamara V. Khodzher. "Passive Sampling as a Low-Cost Method for Monitoring Air Pollutants in the Baikal Region (Eastern Siberia)." Atmosphere 10, no. 8 (2019): 470. http://dx.doi.org/10.3390/atmos10080470.

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The measured concentrations of inorganic pollutants, such as ozone (2015–2018), sulfur, and nitrogen oxides (2012–2018) at air monitoring sites in the south of Eastern Siberia were sampled, following the passive sampling method, and analyzed. The spatial inhomogeneity of atmospheric gas concentrations is presented. The ozone concentration is lower in urban areas than those in rural areas and the background level. However, the nitrogen and sulfur oxide concentrations are higher in the atmosphere over the city site. The seasonal dependence of the ozone concentration was determined using its maxi

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Li, Dong, Jiping Liu, and Yangyang Zhao. "Prediction of Multi-Site PM2.5 Concentrations in Beijing Using CNN-Bi LSTM with CBAM." Atmosphere 13, no. 10 (2022): 1719. http://dx.doi.org/10.3390/atmos13101719.

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Air pollution is a growing problem and poses a challenge to people’s healthy lives. Accurate prediction of air pollutant concentrations is considered the key to air pollution warning and management. In this paper, a novel PM2.5 concentration prediction model, CBAM-CNN-Bi LSTM, is constructed by deep learning techniques based on the principles related to spatial big data. This model consists of the convolutional block attention module (CBAM), the convolutional neural network (CNN), and the bi-directional long short-term memory neural network (Bi LSTM). CBAM is applied to the extraction of featu

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Jayakaran, Anand, Thorsten Knappenberger, John Stark, and Curtis Hinman. "Remediation of Stormwater Pollutants by Porous Asphalt Pavement." Water 11, no. 3 (2019): 520. http://dx.doi.org/10.3390/w11030520.

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Porous Asphalt (PA) pavements are an increasingly adopted tool in the green stormwater infrastructure toolbox to manage stormwater in urbanized watersheds across the United States. This technology has seen particular interest in western Washington State, where permeable pavements are recognized as an approved best management practice per the National Pollutant Discharge Elimination System (NPDES) municipal stormwater permit. Stormwater effluent concentrations from six PA cells were compared with runoff concentrations from three standard impervious asphalt cells to quantify pollutant removal ef

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Paffoni, Catherine, Michel Gousailles, Frank Rogalla, and Pierre Gilles. "Aerated Biofilters for Nitrification and Effluent Polishing." Water Science and Technology 22, no. 7-8 (1990): 181–89. http://dx.doi.org/10.2166/wst.1990.0244.

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To comply with new effluent discharge standards of 10 mg TKN/l, different upgrading methods for a highly loaded activated sludge plant were explored. As a conclusion, demonstration units were tested to assess process feasibility and performance data of an innovative technology. The Achères Treatment plant of the city of Paris is currently being extended to purify a flow of about 2 700 000 m3/d, corresponding to 8 Million population equivalents. Conventional activated sludge, loaded at about 0.6 kg BOD/kg SS d, delivers an effluent of 30 mg/l for both BOD and SS. To achieve nitrification, a con

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Aguirre-López, Mario A., Miguel Angel Rodríguez-González, Roberto Soto-Villalobos, et al. "Statistical Analysis of PM10 Concentration in the Monterrey Metropolitan Area, Mexico (2010–2018)." Atmosphere 13, no. 2 (2022): 297. http://dx.doi.org/10.3390/atmos13020297.

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Air-quality monitoring and analysis are initial parts of a comprehensive strategy to prevent air pollution in cities. In such a context, statistical tools play an important role in determining the time-series trends, locating areas with high pollutant concentrations, and building predictive models. In this work, we analyzed the spatio-temporal behavior of the pollutant PM10 in the Monterrey Metropolitan Area (MMA), Mexico during the period 2010–2018 by applying statistical analysis to the time series of seven environmental stations. First, we used experimental variograms and scientific visuali

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Xu, W. Y., C. S. Zhao, L. Ran, et al. "Characteristics of pollutants and their correlation to meteorological conditions at a suburban site in the North China Plain." Atmospheric Chemistry and Physics Discussions 11, no. 3 (2011): 7113–54. http://dx.doi.org/10.5194/acpd-11-7113-2011.

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Abstract. North China Plain (NCP) is one of the most densely populated regions in China and has experienced enormous economic growth in the past decades. Its regional trace gas pollution has also become one of the top environmental concerns in China. Measurements of surface trace gases, including O3, NOx, SO2 and CO were carried out within the HaChi (Haze in China) project at Wuqing Meteorology Station, located between 2 mega-cities (Beijing and Tianjin) in the NCP, from 9 July 2009 to 21 January 2010. Detailed statistical analyses were made in order to provide information on the levels of the

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Xu, W. Y., C. S. Zhao, L. Ran, et al. "Characteristics of pollutants and their correlation to meteorological conditions at a suburban site in the North China Plain." Atmospheric Chemistry and Physics 11, no. 9 (2011): 4353–69. http://dx.doi.org/10.5194/acp-11-4353-2011.

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Abstract. North China Plain (NCP) is one of the most densely populated regions in China and has experienced enormous economic growth in the past decades. Its regional trace gas pollution has also become one of the top environmental concerns in China. Measurements of surface trace gases, including O3, NOx, SO2 and CO were carried out within the HaChi (Haze in China) project at Wuqing Meteorology Station, located between 2 mega-cities (Beijing and Tianjin) in the NCP, from 9 July 2009 to 21 January 2010. Detailed statistical analyses were made in order to provide information on the levels of the

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Cox, Bianca, Natasha Wauters, Andrea Rodríguez-Carrillo, et al. "PFAS and Phthalate/DINCH Exposure in Association with Age at Menarche in Teenagers of the HBM4EU Aligned Studies." Toxics 11, no. 8 (2023): 711. http://dx.doi.org/10.3390/toxics11080711.

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Early puberty has been found to be associated with adverse health outcomes such as metabolic and cardiovascular diseases and hormone-dependent cancers. The decrease in age at menarche observed during the past decades has been linked to an increased exposure to endocrine-disrupting compounds (EDCs). Evidence for the association between PFAS and phthalate exposure and menarche onset, however, is inconsistent. We studied the association between PFAS and phthalate/DINCH exposure and age at menarche using data of 514 teenagers (12 to 18 years) from four aligned studies of the Human Biomonitoring fo

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Roman, Ponomarenko, Plyatsuk Leonid, Hurets Larysa, et al. "DETERMINING THE EFFECT OF ANTHROPOGENIC LOADING ON THE ENVIRONMENTAL STATE OF A SURFACE SOURCE OF WATER SUPPLY." Eastern-European Journal of Enterprise Technologies 3, no. 10 (105) (2020): 54–62. https://doi.org/10.15587/1729-4061.2020.206125.

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Based on an analysis of forecasting models of the state of surface objects, this paper has proven that it is advisable, when forming a system of operational prediction and evaluation of anthropogenic loads, to apply simpler models that make it possible to promptly conduct calculations. As an approach to the operative forecasting of anthropogenic loading, the application of an approximately necessary level of the reduction of harmful influence on the site of a surface water object in terms of pollutants received has been suggested. Based on a retrospective analysis of data, the mathematical mod

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Simeunović, Milja, Radoslav Kojić, Nebojša Ralević, Pavle Pitka, and Tatjana Kovačević. "Influence of Traffic Flow and Meteorological Conditions on Air Pollution – A Case Study." Promet - Traffic&Transportation 35, no. 6 (2023): 932–46. http://dx.doi.org/10.7307/ptt.v35i6.387.

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In this paper, the influence of traffic flow volume and meteorological conditions on carbon monoxide (CO), particulate matter (PM), ozone (O3) and sulphur dioxide (SO2) concertation is determined based on the measurements conducted at a selected location over a 784-hour period. Multivariate Analysis of Variance (MANOVA) and Analysis of Variance (ANOVA) were applied to the data set. Regression analysis was also used to determine trends in pollutant concentrations as a function of traffic flow and meteorological parameters. Analysis of the obtained data indicates a statistically significant rela

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Larivi??re, Dominic, Ana Paula Packer, Leonora Marro, Chunsheng Li, Jing Chen, and R. Jack Cornett. "AGE DEPENDENCE OF NATURAL URANIUM AND THORIUM CONCENTRATIONS IN BONE." Health Physics 92, no. 2 (2007): 119–26. http://dx.doi.org/10.1097/01.hp.0000237665.63377.8f.

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E., Junqué, Garí M., Llull R.M., and Grimalt J.O. "Drivers of the accumulation of mercury and organochlorine pollutants in Mediterranean lean fish and dietary significance." Science of the total Environment 634 (April 24, 2018): 170–80. https://doi.org/10.5281/zenodo.1227710.

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An integrated assessment of lean fish of commercial value as Hg and organochlorine compound source into the population of the Balearic Islands were reported. Dependences between pollutant concentrations, trophic level, fish species, specimen weight and physical-chemical properties were evaluated. Hg and total DDTs showed highest variability between fish species whereas PCBs and HCB displayed more constant median values. The organochlorine compounds found in highest concentrations were those with highest hydrophobicity, consistently with their higher bioaccumulation potential. These pollutant c

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Zhurba, Olga M., N. V. Efimova, A. N. Alekseenko, and A. V. Merinov. "AGE FEATURES OF THE EXCRETION OF CARBONILIC COMPOUNDS WITH URINE IN CHILDREN IN UNEXPOSED TERRITORY." Hygiene and sanitation 98, no. 11 (2019): 1262–66. http://dx.doi.org/10.18821/0016-9900-2019-98-11-1262-1266.

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Introduction. Carbonyl compounds (CC) are pollutants affecting the population and occupying an exceptional position in various fields of human activity. A significant source of CC is tobacco smoke. Material and methods. Urine samples of 278 children were analyzed by the method of gas chromatography. Additionally, there were studied dependencies of the content of the CC on the harmful chemical effects in living conditions: active and passive smoking. The assessment of the effect of smoking on formaldehyde emissions (FD) was carried out using the chi-square test for a 3x3 table. Results. The res

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Маюрова, А. С., та М. А. Кустикова. "Исследование влияния паводков и некоторых биотических факторов на распространение моллюсков семейства Bithyniidae". Biosfera 11, № 1 (2019): 5. http://dx.doi.org/10.24855/biosfera.v11i1.472.

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The dependence of population density of Bithyniidae snails, which are the first intermediate hosts of Opisthorchis felineus (cat fluke), on maximum flood levels, pollutant concentrations, and the presence of leeches was investigated in water basins of the Khanty-Mansi Autonomous Area. Study sites were at the rivers Ob (Surgut environ), Irtysh (Khanty-Mansiysk environ) and Bolshoy Yugan (Ugut village). The prevalence of the mollusk was shown to correlate positively with flood levels and negatively with water pollution and the presence of leeches that feed on snails. These observations may be us

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Vučemilo, M., K. Matković, B. Vinković, S. Jakšić, K. Granić, and N. Mas. "The effect of animal age on air pollutant concentration in a broiler house." Czech Journal of Animal Science 52, No. 6 (2008): 170–74. http://dx.doi.org/10.17221/2318-cjas.

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The results of a study assessing the level of airborne contamination in intensive broiler breeding facilities are presented. The content of corpuscular particulates of various origin (dust, bacteria, fungi), ammonia and carbon dioxide was determined. The investigations were conducted in a poultry house on a family farm in the area of moderate continental climate during spring 2006. The air concentration of bacteria ranged from 1.7 &times; 104 to 2.2 &times; 105 cfu/m<sup>3</sup>, of fungi from 9.8 &times; 10<sup>3</sup> to 8.5 &times; 10<sup>4</

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Franco, Juan Felipe, Néstor Yesid Rojas, Olga Lucía Sarmiento, and Eduardo Behrentz. "Urban air pollution in school-related microenvironments in Bogota, Colombia." Ingeniería e Investigación 33, no. 2 (2013): 42–48. http://dx.doi.org/10.15446/ing.investig.v33n2.39516.

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Particle-related pollution (PM10, PM2.5 and soot) was measured in both indoor and outdoor microenvironments at four public elementary schools in Bogotá, Colombia. Three of these schools were located alongside major urban roads in which different types of public transit systems are used (bus rapid transit system and conventional transit buses). The fourth school was located on a non-congested road (background school). Pollutant levels at schools situated on major-roads were higher than those found at the low-congestion-road school. Outdoor black carbon daily mean concentrations at the schools l

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Chan, Edward C., Ilona J. Jäkel, Basit Khan, et al. "An enhanced emission module for the PALM model system 23.10 with application for PM₁₀ emission from urban domestic heating." Geoscientific Model Development 18, no. 4 (2025): 1119–39. https://doi.org/10.5194/gmd-18-1119-2025.

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Abstract. This article presents an enhanced emission module for the PALM model system, which collects discrete emission sources from different emission sectors and assigns them dynamically to the prognostic equations for specific pollutant species as volumetric source terms. Bidirectional lookups between each source location and cell index are maintained by using a hash key approach, while allowing all emission source modules to be conceived, developed, and operated in a homogeneous and mutually independent manner. An additional generic emission mode has also been implemented to allow for the

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Achleitner, S., C. Engelhard, U. Stegner, and W. Rauch. "Local infiltration devices at parking sites – Experimental assessment of temporal changes in hydraulic and contaminant removal capacity." Water Science and Technology 55, no. 4 (2007): 193–200. http://dx.doi.org/10.2166/wst.2007.109.

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On site infiltration of stormwater is a common practice in order to avoid hydraulic overload of the urban drainage system. If hydrological conditions allow on-site infiltration – this is even mandatory from a legal point of view. Focus in this work is on surface infiltration of stormwater from parking lots. Proper operation of those devices is assumed to be appr. 15 years, as permits granted are limited to this time. Questions are raised whether this considered life expectancy is feasible. One apprehension is a possible clogging effect reducing the hydraulic capacity of the swale. The second a

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Chen, Shih-Wei, Han-Jie Lin, Stella Chin-Shaw Tsai, et al. "Exposure to Air Pollutants Increases the Risk of Chronic Rhinosinusitis in Taiwan Residents." Toxics 10, no. 4 (2022): 173. http://dx.doi.org/10.3390/toxics10040173.

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Air pollution triggers a tissue-specific inflammatory response. However, studies on the association between exposure to air pollutants and chronic rhinosinusitis (CRS) risk remain limited. Thus, we conducted this nationwide study to define the association between air pollution and CRS. We used the Longitudinal Health Insurance Database (LHID) and Taiwan Air Quality-Monitoring Database (TAQMD) to conduct a population-based cohort study. Study participants were recruited from the LHID, a data subset of the National Health Insurance Research Database that randomly sampled one million individuals.

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Szyszkowicz, Mieczysław, and Nicholas de Angelis. "Ambient air pollution and emergency department visits in Toronto, Canada." Environmental Science and Pollution Research 28, no. 22 (2021): 28789–96. http://dx.doi.org/10.1007/s11356-021-12519-3.

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AbstractTo investigate the acute impact of various air pollutants on various disease groups in the urban area of the city of Toronto, Canada. Statistical models were developed to estimate the relative risk of an emergency department visit associated with ambient air pollution concentration levels. These models were generated for 8 air pollutants (lagged from 0 to 14 days) and for 18 strata (based on sex, age group, and season). Twelve disease groups extracted from the International Classification of Diseases 10th Revision (ICD-10) were used as health classifications in the models. The qualitat

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Shiffman, Saul, Nicholas I. Goldenson, Cameron Hatcher, and Erik M. Augustson. "Changes in Dependence as Smokers Switch from Cigarettes to JUUL in Two Nicotine Concentrations." American Journal of Health Behavior 45, no. 3 (2021): 563–75. http://dx.doi.org/10.5993/ajhb.45.3.10.

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Objectives: In this study, we assessed changes in dependence as smokers transitioned from cigarette smoking to exclusive use of the JUUL System ("JUUL"), contrasting users of 5.0% versus 3.0% nicotine concentration pods. Methods: Overall, 5246 adult (age ≥ 21) established smokers (> 100 cigarettes lifetime) who purchased a JUUL device completed online surveys at baseline, when smoking, and one and 3 months later; 1758 reported no past-30-day smoking ('switching') at one or both timepoints. Analyses compared dependence on cigarettes (at baseline) and JUUL (at follow-up), as assessed by the 4

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Milosevic, Zoran, Dragan Bogdanovic, Sladjana Jovic, Aleksandra Stankovic, Suzana Milutinovic, and Natasa Rancic. "Influence of air pollution on hospital admissions for cardiovascular and respiratory diseases in Nis, Serbia." Vojnosanitetski pregled 67, no. 6 (2010): 473–79. http://dx.doi.org/10.2298/vsp1006473m.

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Background/Aim. In studies that investigate the health effects of short-term air pollution exposure, population-wide changes in acute outcomes such as mortality, hospital admissions and healthcare visits are linked to short-term variations in ambient pollutant concentrations. The aim of this study was to estimate the association between daily outdoor black smoke and sulphur dioxide levels and hospital admissions for cardiovascular and respiratory diseases in Nis, within a period 2001-2005. Methods. A time series analysis was performed using separated regression models for each pollutant and di

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Liu, Yonglin, Juan Liu, Fenglian Chen, et al. "Coal Mine Air Pollution and Number of Children Hospitalizations because of Respiratory Tract Infection: A Time Series Analysis." Journal of Environmental and Public Health 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/649706.

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To analyze the relationship between levels of air pollution and number of children hospitalizations because of respiratory tract infection in Shenmu County, the data regarding meteorological factors, environmental pollutants, that is SO2and NO2, Particulate Matter 10 (PM10), and hospitalizations of children less than 16 years of age was collected during the time duration of November 2009 to October 2012. Using SAS 9.3, descriptive data analysis for meteorological and environmental factors and hospital admissions were performed along with main air pollutants determination. Using the statistical

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N., Bravo, Grimalt J.O., Chashchin M., Chashchin V.P., and Odland J.Ø. "Drivers of maternal accumulation of organohalogen pollutants in Arctic areas (Chukotka, Russia) and 4,4'-DDT effects on the newly born." Environment International 124 (January 26, 2019): 541–52. https://doi.org/10.17632/j69gbpgth5.1.

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BACKGROUND: One of the most worrying consequence of the production and use of persistent organohalogen pollutants (POPs) is the high accumulation in Arctic populations because of long-range transport. Study of the effects in these populations may illustrate human impacts that are difficult to assess in other locations with lower exposure to these compounds and more diverse pollutant influences. OBJECTIVE: We aimed to identify the main maternal characteristics influencing on the accumulation of these compounds and the effects on the newborns in a highly exposed Arctic population (Chukotka, Russ

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Hoseini, Seyedeh Malihe, Somayeh Namroodi, Amir Sayadshirazi, and Annalisa Zaccaroni. "Trace Elements and Contaminants Concentrations in Tissues of Caspian Seals (Pusa caspica) Along the Iranian Coast." Toxics 11, no. 1 (2022): 39. http://dx.doi.org/10.3390/toxics11010039.

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The Caspian seal (Pusa caspica) is an endangered species that only lives in the Caspian Sea. Little information is available on its exposure to contaminants, and no data exists for Southern sub-populations. From 2011 to 2016, tissues samples were collected from 20 Caspian seals to (i) Define the concentration of trace elements in five different matrices and the concentration of 30 pesticides in their blubber; (ii) Determine whether differences in contaminant concentrations are age- or sex-related; (iii) Evaluate if detected concentrations can represent a risk to the species. Age- and sex-relat

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Krahn, Margaret M., M. Bradley Hanson, Gregory S. Schorr, et al. "Effects of age, sex and reproductive status on persistent organic pollutant concentrations in “Southern Resident” killer whales." Marine Pollution Bulletin 58, no. 10 (2009): 1522–29. http://dx.doi.org/10.1016/j.marpolbul.2009.05.014.

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Terekhov, Aleksandr, Federico Huaman de los Eros, Fayruza Ziganshina, Svetlana Mavlyutova, Ilya Bespalov, and Aydar Galimov. "Mathematical support for solving the direct problem of chemical kinetics to clarify the main patterns of pollutant emissions." E3S Web of Conferences 627 (2025): 02005. https://doi.org/10.1051/e3sconf/202562702005.

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Determination of kinetic parameters and obtaining the dependence of concentrations of substances on time is the main stage in the construction of a kinetic model. The mathematically constructed model is presented in the form of systems of differential equations. At this stage, they usually deal with two types of tasks, which are called forward and reverse. This paper presents algorithms for solving an arbitrary direct problem of chemical kinetics. As a method for solving systems of differential equations, the Rosenbrock type method is considered. The advantage of this work is to describe the s

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Cardei, Petru, Florin Nenciu, Nicoleta Ungureanu, et al. "Using Statistical Modeling for Assessing Lettuce Crops Contaminated with Zn, Correlating Plants Growth Characteristics with the Soil Contamination Levels." Applied Sciences 11, no. 17 (2021): 8261. http://dx.doi.org/10.3390/app11178261.

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The aim of the study was to identify new mathematical models and strategies that can characterize the behavior of pollutants accumulating in the soil over time, considering the special characteristics of these chemicals that cannot be degraded or destroyed easily. The paper proposes a statistical model for assessing the accumulation of Zn in the lettuce (Lactuca sativa L.), based on three indicators that characterize the development of lettuce plants over time. The experimental data can be used to obtain interpolated variations of the mass increase functions and to determine several functions

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Veronesi, Giovanni, Sara De Matteis, Giuseppe Calori, Nicola Pepe, and Marco M. Ferrario. "Long-term exposure to air pollution and COVID-19 incidence: a prospective study of residents in the city of Varese, Northern Italy." Occupational and Environmental Medicine 79, no. 3 (2022): 192–99. http://dx.doi.org/10.1136/oemed-2021-107833.

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ObjectivesTo investigate the association between long-term exposure to airborne pollutants and the incidence of SARS-CoV-2 up to March 2021 in a prospective study of residents in Varese city.MethodsCitizens of Varese aged ≥18 years as of 31 December 2019 were linked by residential address to 2018 average annual exposure to outdoor concentrations of PM2.5, PM10, NO2, NO and ozone modelled using the Flexible Air quality Regional Model (FARM) chemical transport model. Citizens were further linked to regional datasets for COVID-19 case ascertainment (positive nasopharyngeal swab specimens) and to

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Tuerxunbieke, Ayibota, Xiangyu Xu, Wen Pei, Ling Qi, Ning Qin, and Xiaoli Duan. "Development of Phase and Seasonally Dependent Land-Use Regression Models to Predict Atmospheric PAH Levels." Toxics 11, no. 4 (2023): 316. http://dx.doi.org/10.3390/toxics11040316.

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Polycyclic aromatic hydrocarbons (PAHs) are an important class of pollutants in China. The land use regression (LUR) model has been used to predict the selected PAH concentrations and screen the key influencing factors. However, most previous studies have focused on particle-associated PAHs, and research on gaseous PAHs was limited. This study measured representative PAHs in both gaseous phases and particle-associated during the windy, non-heating and heating seasons from 25 sampling sites in different areas of Taiyuan City. We established separate prediction models of 15 PAHs. Acenaphthene (A

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Chubarova, Natalia E., Elizaveta E. Androsova, Alexandr A. Kirsanov, et al. "Aerosol and Its Radiative Effects during the Aeroradcity 2018 Moscow Experiment." GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY 12, no. 4 (2019): 114–31. http://dx.doi.org/10.24057/2071-9388-2019-72.

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During the AeroRadCity-2018 spring aerosol experiment at the Moscow State University Meteorological Observatory the aerosol properties of the atmosphere and radiative aerosol effects were analyzed using a wide complex of measurements and model COSMO-ART simulations over Moscow domain. The program of measurements consisted of columnar aerosol AERONET retrievals, surface PM10, black carbon (BC) and aerosol gas precursors mass concentrations, as well as radiative measurements under various meteorological conditions. We obtained a positive statistically significant dependence of total and fine aer

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PARSONS, E. C. M. "Trace element concentrations in the tissues of cetaceans from Hong Kong's territorial waters." Environmental Conservation 26, no. 1 (1999): 30–40. http://dx.doi.org/10.1017/s0376892999000065.

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There have been few studies of trace elements in cetaceans from Chinese waters despite considerable potential for contamination by this class of pollutant. Between 1993 and 1996, blubber, liver and/or kidney tissues were collected from 11 Indo-Pacific hump-backed dolphins (Sousa chinensis) and 20 finless porpoises (Neophocaena phocaenoides) stranded in Hong Kong. These tissues were analysed for 12 trace elements (As, Cd, Co, Cr, Cu, Hg, Mo, Ni, Pb, Se, Sn and Zn). In general, concentrations of trace elements were similar to those of other cetacean populations and were deemed not to be of any t

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Ilieva-Makulec, Krassimira, Paweł Dariusz Plichta, and Maciej Sierakowski. "Biomonitoring of Heavy Metal Air Pollution in Warsaw Using Two Moss Species Pleurozium schreberi and Sphagnum palustre." Studia Ecologiae et Bioethicae 19, no. 4 (2022): 111–24. http://dx.doi.org/10.21697/seb.2021.19.4.09.

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The aim of the study was to assess air pollution with heavy metals in Warsaw, on the basis of the concentrations of selected elements in moss samples. The active biomonitoring method (moss-bag technique) was applied using two moss species Pleurozium schreberi and Sphagnum palustre. Moss samples were collected in the Kampinos National Park, and the prepared moss bags were distributed and exposed on seven sites in Warsaw. The analysis of metals accumulated in mosses was performed twice in 2020, after two (August-September) and four months (August-November) of exposure. The concentrations of seve

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Ran, L., W. L. Lin, Y. Z. Deji, et al. "Surface gas pollutants in Lhasa, a highland city of Tibet: current levels and pollution implications." Atmospheric Chemistry and Physics Discussions 14, no. 8 (2014): 11787–814. http://dx.doi.org/10.5194/acpd-14-11787-2014.

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Abstract. Through several years of development, the city of Lhasa has become one of the most populated and urbanized areas on the highest plateau in the world. In the process of urbanization, current and potential air quality issues have been gradually concerned. To investigate the current status of air pollution in Lhasa, various gas pollutants including NOx, CO, SO2 and O3 were continuously measured from June 2012 to May 2013 at an urban site (29.40° N, 91.08° E, 3650 m a.s.l.). The seasonal variations of primary gas pollutants exhibited a peak from November to January with a large variabili

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Heiker, Laura M., Rick A. Adams, and Claire V. Ramos. "Mercury Bioaccumulation in Two Species of Insectivorous Bats from Urban China: Influence of Species, Age, and Land Use Type." Archives of Environmental Contamination and Toxicology 75, no. 4 (2018): 585–93. https://doi.org/10.5281/zenodo.13457052.

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(Uploaded by Plazi for the Bat Literature Project) Mercury (Hg) is a widespread, toxic pollutant, and China is the world's largest emitter. We investigated Hg concentrations of fur in Japanese pipistrelles (Pipistrellus abramus) and Chinese noctules (Nyctalus plancyi) from Chengdu, Sichuan Province, in relation to degree of urbanization. Bats were mist-netted in June and July 2013, and the fur was analyzed via atomic absorption. Statistical comparisons were made between ages, species, and site types with unpaired t tests and between Hg concentration and body condition with Spearman's rank corr

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Heiker, Laura M., Rick A. Adams, and Claire V. Ramos. "Mercury Bioaccumulation in Two Species of Insectivorous Bats from Urban China: Influence of Species, Age, and Land Use Type." Archives of Environmental Contamination and Toxicology 75, no. 4 (2018): 585–93. https://doi.org/10.5281/zenodo.13457052.

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(Uploaded by Plazi for the Bat Literature Project) Mercury (Hg) is a widespread, toxic pollutant, and China is the world's largest emitter. We investigated Hg concentrations of fur in Japanese pipistrelles (Pipistrellus abramus) and Chinese noctules (Nyctalus plancyi) from Chengdu, Sichuan Province, in relation to degree of urbanization. Bats were mist-netted in June and July 2013, and the fur was analyzed via atomic absorption. Statistical comparisons were made between ages, species, and site types with unpaired t tests and between Hg concentration and body condition with Spearman's rank corr

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Heiker, Laura M., Rick A. Adams, and Claire V. Ramos. "Mercury Bioaccumulation in Two Species of Insectivorous Bats from Urban China: Influence of Species, Age, and Land Use Type." Archives of Environmental Contamination and Toxicology 75, no. 4 (2018): 585–93. https://doi.org/10.5281/zenodo.13457052.

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(Uploaded by Plazi for the Bat Literature Project) Mercury (Hg) is a widespread, toxic pollutant, and China is the world's largest emitter. We investigated Hg concentrations of fur in Japanese pipistrelles (Pipistrellus abramus) and Chinese noctules (Nyctalus plancyi) from Chengdu, Sichuan Province, in relation to degree of urbanization. Bats were mist-netted in June and July 2013, and the fur was analyzed via atomic absorption. Statistical comparisons were made between ages, species, and site types with unpaired t tests and between Hg concentration and body condition with Spearman's rank corr

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47

Heiker, Laura M., Rick A. Adams, and Claire V. Ramos. "Mercury Bioaccumulation in Two Species of Insectivorous Bats from Urban China: Influence of Species, Age, and Land Use Type." Archives of Environmental Contamination and Toxicology 75, no. 4 (2018): 585–93. https://doi.org/10.5281/zenodo.13457052.

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(Uploaded by Plazi for the Bat Literature Project) Mercury (Hg) is a widespread, toxic pollutant, and China is the world's largest emitter. We investigated Hg concentrations of fur in Japanese pipistrelles (Pipistrellus abramus) and Chinese noctules (Nyctalus plancyi) from Chengdu, Sichuan Province, in relation to degree of urbanization. Bats were mist-netted in June and July 2013, and the fur was analyzed via atomic absorption. Statistical comparisons were made between ages, species, and site types with unpaired t tests and between Hg concentration and body condition with Spearman's rank corr

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48

Heiker, Laura M., Rick A. Adams, and Claire V. Ramos. "Mercury Bioaccumulation in Two Species of Insectivorous Bats from Urban China: Influence of Species, Age, and Land Use Type." Archives of Environmental Contamination and Toxicology 75, no. 4 (2018): 585–93. https://doi.org/10.5281/zenodo.13457052.

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(Uploaded by Plazi for the Bat Literature Project) Mercury (Hg) is a widespread, toxic pollutant, and China is the world's largest emitter. We investigated Hg concentrations of fur in Japanese pipistrelles (Pipistrellus abramus) and Chinese noctules (Nyctalus plancyi) from Chengdu, Sichuan Province, in relation to degree of urbanization. Bats were mist-netted in June and July 2013, and the fur was analyzed via atomic absorption. Statistical comparisons were made between ages, species, and site types with unpaired t tests and between Hg concentration and body condition with Spearman's rank corr

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Deng, Xueliang, Jian Chen, Rui Dai, et al. "The Effects of Planetary Boundary Layer Features on Air Pollution Based on ERA5 Data in East China." Atmosphere 14, no. 8 (2023): 1273. http://dx.doi.org/10.3390/atmos14081273.

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The planetary boundary layer (PBL) structure and its evolution can significantly affect air pollution. Here, the PBL’s characteristics and their association with air pollution were analyzed in Hefei, east China, using ERA5 reanalysis data, weather observations and air pollutant measurements from 2016 to 2021. In the near-surface level, air pollution was directly influenced by ground meteorological conditions, and high PM2.5 was normally related to weak wind speed, northwest wind anomalies, low temperature and high relative humidity. Moreover, in the trajectory analysis, air masses from the nor

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Angevine, W. M., J. Brioude, S. McKeen, and J. S. Holloway. "Uncertainty in Lagrangian pollutant transport simulations due to meteorological uncertainty at mesoscale." Geoscientific Model Development Discussions 7, no. 4 (2014): 4603–43. http://dx.doi.org/10.5194/gmdd-7-4603-2014.

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Abstract. Lagrangian particle dispersion models require meteorological fields as input. Uncertainty in the driving meteorology is one of the major uncertainties in the results. The propagation of uncertainty through the system is not simple, and has not been thoroughly explored. Here, we take an ensemble approach. Six different configurations of the Weather Research and Forecast (WRF) model drive otherwise identical simulations with FLEXPART for 49 days over eastern North America. The ensemble spreads of wind speed, mixing height, and tracer concentration are presented. Uncertainty of tracer c

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