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Air Pollution - Springer Nature

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Last Updated: 08 May 2022

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Spatio-temporal analysis of air pollution in North China Plain

More importantly, our review of wind pollution shows that the severity of air pollution greatly depends on the wind direction. A northerly wind can significantly reduce PM_2. 5 P M 2. 5 in the NCP, according to the NCP, while a southerly wind does not reduce air pollution and often raises it. We find that Shijiazhuang and Tangshan produce the most significant local emissions, despite a slower industry in these two cities, using prediction error as a measure of local pollution level. We discover that the two highly populated cities of Beijing and Tianjin have dramatic rises in local emissions as a result of the widespread coal use during this period.

Source link: https://doi.org/10.1007/s10651-021-00521-4


Update on air pollution control strategies for coal-fired power plants

Abstract Coal is expected to remain a key power source worldwide, and shifting to carbon-neutral fuels would be difficult due to increasing electricity demand and burgeoning industrialization. A key to improving air quality in coal power plants is technological advancements in emission control technologies. Many scientists reported removing air pollutants by hand using traditional control methods. In addition, the paper seeks to investigate whether air pollutants, including mercury from the coal-fired power plants, cause environmental harms. Regardless of power plant capacity, coal quality is the most significant factor for raising air quality, as shown by the results. This paper explores potential paths to transition from linear to a circular economy in a coal power plant industry sector considering the future's perspective. This paper addresses potential pathways to transition from linear to a circular economy, including using electricity losses in an energy-efficient processes and reuse of syngas.

Source link: https://doi.org/10.1007/s10098-022-02328-8


What Is “Socioeconomic Position (SEP),” and How Might It Modify Air Pollution-Health Associations? Cohering Findings, Identifying Challenges, and Disentangling Effects of SEP and Race in US City Settings

Purpose of Study Environmental epidemiology has long been acknowledged that socioeconomic status has long been a significant source of pollution effects on health, given that lower-income and minority populations are oftendisproportionately exposed to pollution in the United States. A growing body of literature has shown that lower-SEP populations may be more vulnerable to pollution in recent decades. To avoid ambiguities' claims of differential susceptibility, it is vital to define SEP more specifically, to disentangle its various aspects, and move toward identifying causal components. We investigate a variety of SEP-related socio stressors and address persistent issues in this epidemiology, many of which are related to spatial confounding among many pollutants and stressors. We provide a glimpse into the intricate interplay among SEP, community stressors, race, and pollution in U. S. cities based on quantitative findings and qualitative evidence on neighborhood perceptions and stress.

Source link: https://doi.org/10.1007/s40572-022-00359-3


Effect of traffic-related air pollution on cough in adults with polymorphisms in several cough-related genes

People with known genetic predispositions and sensitivities are at a higher risk of experiencing respiratory problems, including chronic cough, as a result of widespread global air pollution. We investigated whether genetic risk score based on cough-related single-nucleotide polymorphisms is correlated with a cough count over 24 hours post-exposure to diesel exhaust, a standard for traffic-related air pollution. We found that GRS manufactured from 7 SNPs related to TRPA1, TRPV1, and NK-2R were correlated with cough count under closely observed conditions. Following DE exposure and filtered air exposure, we found a positive, positive correlation between GRS and cough count, which was consistent, positive correlation. In summary, cough-relevant GRS was associated with a higher 24 h cough count in a controlled environment, meaning that people with a high GRS may be more susceptible to coughing no matter what their environment is.

Source link: https://doi.org/10.1186/s12931-022-02031-8


Air pollution, residential greenness, and metabolic dysfunction biomarkers: analyses in the Chinese Longitudinal Healthy Longevity Survey

Background: As mechanisms on cardiometabolic mortality, we hypothesize increased air pollution and less greenness exposures together contribute to metabolic syndrome and metabolic syndrome. We investigated the independent and interactive effects of fine particulate matter and the Normalized Difference Vegetation Index on MetS. Ambient air pollution levels were similar between rural and urban areas. Both the cross-sectional and longitudinal study revealed positive links of PM_2. 5 with common abdominal obesity and MetS, as well as a negative relationship of NDVI with prevalent AO. AO prevalence was a statistically significant relationship between PM_2. 5 and NDVI. The relationship between PM_2. 5 and MetS, AO, elevated fasting glucose, and reduced HDL-C was only relevant in rural areas, not in urban areas. NDVI and AO were only relevant in areas with low PM_2. 5 but not under high PM_2. 5. These research results call for green space planning in urban areas and air pollution reduction in rural areas.

Source link: https://doi.org/10.1186/s12889-022-13126-8


Air pollution and meteorological variables’ effects on COVID-19 first and second waves in Spain

This paper is designed to investigate the effect of atmospheric pollution and meteorological variables on the incidence rate of COVID-19 and the rate of hospital admissions due to COVID-19 in nine Spanish provinces during the first and second waves. Several studies investigate the effects of environmental and pollution variables separately, but there are many that include them in the same analysis, and even fewer that compare their effects between the first and second waves of the virus. NO_2 has a greater correlation with NO_2 than the other air pollution variables and meteorological variables, according to the study. In the first wave and with NO_2 in the second, there was a greater link to O_3 in the first wave and the second with NO_2 in the second.

Source link: https://doi.org/10.1007/s13762-022-04190-z


Impact of air pollution on outdoor cultural heritage objects and decoding the role of particulate matter: a critical review

In most cases, environmental and physical changes in contact with the material's surface lead to chemical and physical changes that lead to physical and chemical transformations, which lead to cultural heritage loss in the majority. Two primary forms of cultural heritage materials caused by air pollution degradation are Atmospheric damage and soiling. Soiling is the second phenomenon relating to cultural heritage preservation and PM pollution. In the past, black carbon was believed to be the primary soiling agent, and that the change of the lightness could help determine the soiling. Despite numerous studies that have investigated soiling and atmospheric damage separately, there is an overlap between these two processes. No systematic studies have been published on the synergy between soiling and atmospheric damage caused by atmospheric PM.

Source link: https://doi.org/10.1007/s11356-022-20309-8


A method for identifying critical time windows of maternal air pollution exposures associated with low birth weight in offspring using massive geographic data

When different exposure windows were considered, the correlations between maternal exposures to air pollutants and low birth weight in offspring varied. Methods used in previous studies demonstrated that there was no room for delineating exposure windows and did not consider time periods before conception, which might limit the detection of critical exposure windows. This research used the average ambient concentration measured by the monitoring center closest to a woman's residence during a time window as the mother's exposure to a particular chemical was determined during the exposure window as the maternal exposure to a particular chemical was measured during a time window. In offspring, the novel approach results in the discovery of several critical time windows of maternal exposure to ten chemicals that are positively associated with LBW.

Source link: https://doi.org/10.1007/s11356-021-17762-2


Intelligent dry fog dust suppression system: an efficient technique for controlling air pollution in the mineral processing plant

Abstract: Abstract Dust suppression systems play a vital role in mining and related industries. Dust pollution from mining and mineral processing industries contributes to environmental and health hazards to employees and the immediate area. This paper discusses the development of a smart dry fog dust control device for effectively reducing dust pollution from mining and mineral processing operations. In work zone areas, the minimum dust content was less than 5%, with the installed dry fog system reducing dust concentration to 0. 10–1. 37 mg m3 below the maximum level below 1 mg m3 as silica content in the dust was less than 5%. Perpetration of free silica in the work zone dust has been reduced to trace from 3. 61 to 4. 8 percent. PM_10 and PM_2. 5 concentrations in the ambient air were reduced to 90–99 m3 and 49–48 m3 respectively, and respectively, from 185 to 250 m3 and 148–200 g m3 and 49–38 m3 to 148–200 m3 and 48–58 m3 respectively. The reduced dust concentrations in the ambient air were within the safe range of PM_10 and PM_2. 5. The equipment helps significantly reduces dust and free silica content in the work zone areas below the acceptable threshold. As it has been found that the number of nozzles is directly related to a decrease in dust, the system manages dust emission with an increase in production. Water added to dust equals less than 0. 05 percent of the raw material, but it does not change the raw material's mass.

Source link: https://doi.org/10.1007/s10098-020-01991-z


Preventable mortality attributable to exposure to air pollution at the rural district of Punjab, India

Air pollution has emerged as a leading global health threat in recent decades, where its health effects are mostly concentrated in urban areas. As air pollution hotspots in India, semi-urban and rural areas are also emerging as air pollution hotspots. As these regions are out of focus, the current research examined air pollution in a rural district of Punjab, North India, and sought to determine the associated health risks. Hospital visits and admissions were up during monsoon, in comparison to hospital studies. The introduction of the AirQ+ system for short-term health effects reveals that out of 2582 total deaths, preventable deaths ranging from 246 to 159 could be traced to short-term health problems, particularly PM_2. 5.

Source link: https://doi.org/10.1007/s11356-022-19668-z

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions