Article
Meteorology & Atmospheric Sciences
Tian Feng, Shuyu Zhao, Bo Hu, Naifang Bei, Xiu Zhang, Jiarui Wu, Xia Li, Lang Liu, Ruonan Wang, Xuexi Tie, Guohui Li
Summary: This study evaluates the summertime atmospheric oxidizing capacity (AOC) in the Beijing-Tianjin-Hebei region (BTH), China, using the WRF-Chem model. The model results show differences in AOC levels between urban and remote areas in the BTH, and highlight the importance of OH radical in AOC. Additionally, statistically, O-3 and O-x concentrations are significantly correlated with AOC, providing potential simplified tracers for AOC levels.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2021)
Article
Environmental Sciences
Tian Feng, Shuyu Zhao, Naifang Bei, Suixin Liu, Guohui Li
Summary: Despite the strict mitigation measures implemented in the Beijing-Tianjin-Hebei region since 2013, air pollution still occurs frequently, with no decrease seen in PM2.5 and a significant increase in O-3 concentrations in Beijing during autumn pollution episodes. Observations show a high atmospheric oxidizing capacity during particulate pollution, with elevated O-3 concentrations and high levels of oxygenated secondary aerosols present in PM2.5 during severe pollution periods. Results suggest that increasing atmospheric oxidizing capacity can weaken emission mitigation efforts by enhancing secondary aerosol formation.
Article
Environmental Sciences
Michael R. McHale, Amy S. Ludtke, Gregory A. Wetherbee, Douglas A. Burns, Mark A. Nilles, Jason S. Finkelstein
Summary: This study reports trends in wet-precipitation chemistry in response to emissions reductions implemented as part of the Clean Air Act Amendments. The concentrations of sulfate and nitrate showed significant decreasing trends, while ammonium concentrations increased. The trends for sulfate and nitrate were strongest in the beginning of the study period and became weaker in later periods.
ATMOSPHERIC ENVIRONMENT
(2021)
Article
Environmental Sciences
Pengfei Wang, Peng Wang, Kaiyu Chen, Jun Du, Hongliang Zhang
Summary: Ground-level ozone is a growing concern as an air pollutant due to its detrimental effects on human health and vegetation growth. Meteorological conditions play a crucial role in the formation, diffusion, transformation, and transport of ozone in the atmosphere. This study demonstrated significant improvements in ozone prediction accuracy by using ensemble meteorological inputs compared to traditional single meteorology inputs in chemical transport models.
Article
Environmental Sciences
Yuxi Wang, Le Cao, Tong Zhang, Haijiang Kong
Summary: The study used the WRF-Chem model to reproduce the ozone and PM2.5 pollution in Fenwei Plain from May 20th to May 29th, 2015. Although there were deviations between the simulation results and observed data, the model generally captured the trend of pollutants and the deviations were acceptable. The WRF-Chem model performed better in simulating ozone than PM2.5. Ozone pollution mainly occurred north of Fenwei Plain due to wind patterns and ozone production chemistry, while PM2.5 pollution occurred at night and was concentrated in the Fenwei Plain.
Article
Engineering, Environmental
Yangzong Zeren, Beining Zhou, Yanhua Zheng, Fei Jiang, Xiaopu Lyu, Likun Xue, Hongli Wang, Xufei Liu, Hai Guo
Summary: The three bay areas in China, Bohai Bay, Hangzhou Bay, and Pearl River Estuary, often suffer from severe photochemical pollution due to specific meteorological conditions that lead to high ozone concentrations. The interaction between synoptic winds and mesoscale breezes results in slow wind speeds over the bays, allowing air pollutants to undergo intensive photochemical reactions. This phenomenon may be applicable to similar ecotones around the world.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Article
Environmental Sciences
Yue Li, Zhiwei Han, Yu Song, Jiawei Li, Yele Sun, Tiantian Wang
Summary: Using the WRF-Chem model with a sulfate formation mechanism, this study investigates the impact of meteorological conditions and emission changes on chemical species, atmospheric oxidizing capacity, and secondary aerosol formation during the COVID-19 lockdown. The model effectively reproduces the distribution of variables and improves predictions for sulfate, SO2, PM2.5, ammonium, and nitrate concentrations. The adverse meteorological conditions are found to be the main cause of the haze event formation, while emission reductions lead to decreases in certain pollutants but increases in others. Heterogeneous sulfat formation on aerosol surfaces plays a dominant role in sulfate formation during the haze event.
ATMOSPHERIC ENVIRONMENT
(2023)
Article
Meteorology & Atmospheric Sciences
P. A. Wales, C. A. Keller, K. E. Knowland, S. Pawson, S. Choi, F. Hendrick, M. Van Roozendael, R. J. Salawitch, R. Sulieman, W. F. Swanson
Summary: During polar spring, elevated tropospheric bromine levels lead to significant reduction in surface ozone. This study presents a method for parameterizing emissions of molecular bromine over the Arctic using satellite retrievals of bromine monoxide. The method accounts for uncertainties in modeling background bromine and estimates daily flux of bromine using internal model parameters. While the technique successfully models ozone reduction during isolated periods, it underestimates ozone loss and does not simulate low ozone observed at coastal stations.
JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS
(2023)
Article
Environmental Sciences
Tian Han, Xiaomin Hu, Jing Zhang, Wenhao Xue, Yunfei Che, Xiaoqing Deng, Lihua Zhou
Summary: The problem of surface ozone pollution in China is a major concern, especially in the Beijing-Tianjin-Hebei region. The high concentration of ozone adversely affects crop growth and leads to significant yield losses. This study proposes a new method to establish a high-precision ozone concentration dataset and estimates the crop yield losses caused by ozone pollution in the BTH region.
ENVIRONMENTAL POLLUTION
(2023)
Article
Environmental Sciences
Tong Sha, Xiaoyan Ma, Jun Wang, Rong Tian, Jianqi Zhao, Fang Cao, Yan-Lin Zhang
Summary: High concentrations of PM2.5 in China have led to reduced visibility and health issues, posing challenges for accurate prediction in numerical models. A study compared simulated inorganic aerosol components of PM2.5 with in-situ data, revealing underestimations of sulfate and overestimations of nitrate and ammonium concentrations. Adjusting cloud water content in the model improved the accuracy of sulfate simulation and subsequently enhanced the simulation of nitrate and ammonium. This study highlights the importance of considering cloud water content in model simulations to reduce biases in predicting PM2.5 components.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
Chung-Te Chang, Ci-Jian Yang, Ko-Han Huang, Jr-Chuan Huang, Teng-Chiu Lin
Summary: This study quantifies the temporal changes of precipitation acidity and its dominant acidifying agents over the last two decades by synthesizing bulk precipitation chemistry in forest sites from three monitoring networks. Results show distinct declines of sulfate and nitrate depositions and increases of precipitation pH in northeast America and central and east Europe, but not in Asia during 1999 and 2018. The decreases of sulfate and nitrate depositions likely reflect the long-term effort of pollutant emission controls.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Chemistry, Analytical
Guangming Su, Qichao Yang, Yourong Tian, Tianming Ma, Lei Geng
Summary: This study introduces a new and cost-effective method to produce O-17 enriched sulfate using purified ozone reacting with sodium sulfite solution. Three sodium sulfate materials enriched in O-17 were created and their Delta O-17 values were quantified. These materials can serve as working standards for routine Delta O-17(SO42-) analysis.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2022)
Article
Green & Sustainable Science & Technology
Jingyuan Cao, Xionghui Qiu, Jian Gao, Fangyuan Wang, Jinbo Wang, Jing Wu, Lin Peng
Summary: Understanding the changes in sulfate formation pathways in China from 2008 to 2016 is crucial for controlling particle pollution. The study revealed a significant decrease in sulfate concentrations in various regions, accompanied by changes in formation pathways. It is suggested that multi-pollutant control measures should be implemented to prevent further deterioration of air pollution.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Environmental Sciences
Johana Romero-Alvarez, Aurelia Lupacu, Douglas Lowe, Alba Badia, Scott Archer-Nicholls, Steve Dorling, Claire E. Reeves, Tim Butler
Summary: This study uses modeling to quantify the contributions to surface ozone in the UK from anthropogenic nitrogen oxide emissions, both domestically and from other European countries. The study finds that the majority of ozone originates from the hemispheric background, and that emissions from Europe and the UK contribute most significantly to ozone concentrations in populated areas. The study suggests that stricter emission controls in western Europe and larger areas are necessary to improve air quality and mitigate the impacts on ecosystems.
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2022)
Article
Environmental Sciences
Yu Wang, Shengqiang Zhu, Jinlong Ma, Juanyong Shen, Pengfei Wang, Peng Wang, Hongliang Zhang
Summary: Aggressive air pollution control measures in China since 2013 have led to significant reductions in fine particulate matter (PM2.5) but an increase in ozone (O-3) concentrations. The COVID-19 pandemic resulted in reduced economic activities, particularly in transportation, leading to over 50% decrease in nitrogen oxides (NOx) emissions. Studies show that the O-3 increase in the Yangtze River Delta region is mainly attributed to the enhanced atmospheric oxidation capacity (AOC).
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Xia Li, Naifang Bei, Bo Hu, Jiarui Wu, Yuepeng Pan, Tianxue Wen, Zirui Liu, Lang Liu, Ruonan Wang, Guohui Li
Summary: Stringent mitigation measures have reduced wintertime fine particulate matter (PM2.5) concentrations by 42.2% in the Beijing-Tianjin-Hebei (BTH) region from 2013 to 2018, but severe PM pollution still frequently engulfs the region. The contributions of nitrogen oxides (NOX) emissions mitigation to nitrate and PM2.5 concentrations remains elusive, with simulations showing a 50% reduction in NOX emissions actually increasing PM2.5 concentrations. Mitigation of NH3 emissions is identified as the priority measure to effectively lower nitrate and PM2.5 concentrations in the BTH under current conditions.
ENVIRONMENTAL POLLUTION
(2021)
Article
Meteorology & Atmospheric Sciences
Naifang Bei, Xia Li, Qiyuan Wang, Suixin Liu, Jiarui Wu, Jiayi Liang, Lang Liu, Ruonan Wang, Guohui Li
Summary: The study assessed the impact of aerosol-radiation interactions on near-surface fine particulate matter concentrations in the Guanzhong Basin under unfavorable synoptic patterns. It was found that aerosol-radiation interactions consistently decreased solar radiation, surface temperature, and influenced cloud formation, with significant variations observed under different synoptic patterns. Aerosol-radiation interactions contributed to an increase in near-surface PM2.5 concentrations during severe pollution episodes, with potential effects on meteorological factors such as wind speed and planetary boundary layer height.
ADVANCES IN ATMOSPHERIC SCIENCES
(2021)
Article
Meteorology & Atmospheric Sciences
Tian Feng, Shuyu Zhao, Bo Hu, Naifang Bei, Xiu Zhang, Jiarui Wu, Xia Li, Lang Liu, Ruonan Wang, Xuexi Tie, Guohui Li
Summary: This study evaluates the summertime atmospheric oxidizing capacity (AOC) in the Beijing-Tianjin-Hebei region (BTH), China, using the WRF-Chem model. The model results show differences in AOC levels between urban and remote areas in the BTH, and highlight the importance of OH radical in AOC. Additionally, statistically, O-3 and O-x concentrations are significantly correlated with AOC, providing potential simplified tracers for AOC levels.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2021)
Article
Meteorology & Atmospheric Sciences
Yukun Chen, Xin Wang, Huiying Peng, Jianjun Li, Yueshe Wang, Gehui Wang, Jin Li, Can Wu, Lang Liu
Summary: This study investigated the chemical composition and hygroscopicity of water-soluble fraction in PM2.5 collected from a rural site in the highly polluted Guanzhong Basin of northwest China. The results showed that inorganic components mainly promote the hygroscopic properties of particulate matter in summer, while water-soluble organic matters have an increasing contribution in winter. The hygroscopicity parameters of water-soluble organic matter are similar to biomass burning products, indicating a high influence of biomass burning in this region.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2021)
Article
Environmental Sciences
Tian Feng, Shuyu Zhao, Lang Liu, Xin Long, Chao Gao, Naicheng Wu
Summary: The study shows that soil bacteria in the North China Plain emit abundant HONO during the summer, with varying emission rates across different areas and clear diurnal cycles. HONO emissions from soil bacteria significantly affect atmospheric chemistry in the region, particularly in altering diurnal cycles of HONO and OH concentrations.
Article
Environmental Sciences
Can Wu, Lang Liu, Gehui Wang, Si Zhang, Guohui Li, Shaojun Lv, Jianjun Li, Fanglin Wang, Jingjing Meng, Ying Zeng
Summary: This study shows that N2O5 hydrolysis is an important pathway for nitrate formation in Chinese megacities, especially during haze episodes, as demonstrated by measurements and simulations.
ENVIRONMENTAL POLLUTION
(2021)
Article
Environmental Sciences
Xiu Zhang, Tian Feng, Shuyu Zhao, Gang Yang, Quan Zhang, Gangri Qin, Lang Liu, Xin Long, Weiwei Sun, Chao Gao, Guohui Li
Summary: This study investigates the impacts of changes in land use and added anthropogenic emissions on air pollution in the Yangtze River Delta region. The results show that the decrease in PM2.5 concentrations due to land use changes is offset by the increase from added emissions. Additionally, there are significant spatial variations in the response of ambient O-3 concentrations to these factors, with strong increases observed over central areas of the YRD.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Xia Li, Naifang Bei, Xuexi Tie, Jairui Wu, Suixin Liu, Qiyuan Wang, Lang Liu, Ruonan Wang, Guohui Li
Summary: Local emissions dominate PM2.5 concentrations in the Guanzhong Basin, while transboundary transport of emissions from neighboring provinces also plays a significant role in particulate pollution.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Jie Liu, Xia Li, Suixin Liu, Lang Liu, Jiarui Wu, Ruonan Wang, Junji Cao, Guohui Li
Summary: Utilizing the WRF-Chem model, the effectiveness of emissions mitigation on particulate pollution in the GZB was quantitatively evaluated, showing a 17% decrease in PM2.5 concentrations. Results also indicated a significant role of meteorological conditions in modulating particulate pollution, with reductions in SO2, CO and O3 concentrations, but an increase in NO2 concentrations. Further emission reduction strategies are needed to lower PM2.5 levels in the GZB.
ATMOSPHERIC POLLUTION RESEARCH
(2021)
Article
Environmental Sciences
Xia Li, Naifang Bei, Jiarui Wu, Ruonan Wang, Suixin Liu, Lang Liu, Qian Jiang, Xuexi Tie, Luisa T. Molina, Guohui Li
Summary: Despite strict emission control measures implemented since 2013, severe wintertime haze with high levels of secondary aerosols continues to affect the Guanzhong Basin (GZB), China. Researchers have found that heterogeneous nitrous acid (HONO) sources play a significant role in wintertime particulate pollution and atmospheric oxidizing capability (AOC) in the GZB. Decreasing HONO levels or AOC can effectively alleviate the wintertime particulate pollution in the GZB.
ENVIRONMENTAL POLLUTION
(2022)
Article
Environmental Sciences
Jianjun Li, Jin Li, Gehui Wang, Kin Fai Ho, Jing Han, Wenting Dai, Can Wu, Cong Cao, Lang Liu
Summary: This study found that the oxidative potential induced by winter PM2.5 samples was higher than that induced by summer samples, but the seasonal variations of inflammatory factors were opposite. Secondary aerosols formation significantly contributed to the oxidative potential of PM2.5 in both seasons, with biomass burning being a significant source in winter.
ENVIRONMENTAL RESEARCH
(2022)
Article
Meteorology & Atmospheric Sciences
Xia Li, Naifang Bei, Jiarui Wu, Suixin Liu, Qiyuan Wang, Jie Tian, Lang Liu, Ruonan Wang, Guohui Li
Summary: The lockdown measures implemented in China did not significantly improve air quality, despite the reduction in emissions of primary pollutants. PM2.5 levels in the Guanzhong Basin did not decrease significantly during the lockdown period, and ozone concentration actually increased. Additionally, the formation of secondary aerosols also increased.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2022)
Article
Meteorology & Atmospheric Sciences
Jiaoyang Yu, Weijian Zhou, Jiarui Wu, Xia Li, Suixin Liu, Ruonan Wang, Lang Liu, Qian Jiang, Xuexi Tie, Guohui Li
Summary: Changes in land use and land cover have significant impacts on atmospheric chemistry and air quality, particularly on the formation of summertime ozone. This study found that while land use and land cover change increases biogenic emissions, the increase in vegetation density reduces ozone concentrations in the Taihang and Yanshan Mountain areas.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2022)
Article
Environmental Sciences
Jiarui Wu, Naifang Bei, Yuan Wang, Xia Li, Suixin Liu, Lang Liu, Ruonan Wang, Jiaoyang Yu, Tianhao Le, Min Zuo, Zhenxing Shen, Junji Cao, Xuexi Tie, Guohui Li
Summary: Accurate identification and quantitative source apportionment of fine particulate matter (PM2.5) is essential to reduce pollution. The study in North China Plain found that during a haze event, local emissions contributed 36.3% of PM2.5 mass in Beijing, while nonlocal emissions contributed 63.7%. Nonlocal emissions have a greater impact on PM2.5 levels in Beijing and Tianjin, while local emissions play a larger role in Hebei and Shandong.
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2021)
Article
Environmental Sciences
Muhammad Waqas, Majid Nazeer, Man Sing Wong, Wu Shaolin, Li Hon, Joon Heo
Summary: The socio-economic restriction measures implemented in the United States have significantly reduced nitrogen dioxide (NO2) emissions. The study highlights the impact of factors such as human mobility, population density, income, climate, and stationary sources on the reduction of NO2 at different stations. The research emphasizes the scientific impacts of the NO2 reduction and income inequality revealed by the pandemic on air quality and health disparities.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Guorui Zhi, Jinhong Du, Aizhong Chen, Wenjing Jin, Na Ying, Zhihui Huang, Peng Xu, Di Wang, Jinghua Ma, Yuzhe Zhang, Jiabao Qu, Hao Zhang, Li Yang, Zhanyun Ma, Yanjun Ren, Hongyan Dang, Jianglong Cui, Pengchuan Lin, Zhuoshi He, Jinmin Zhao, Shuo Qi, Weiqi Zhang, Wenjuan Zhao, Yingxin Li, Qian Liu, Chen Zhao, Yi Tang, Peng Wei, Jingxu Wang, Zhen Song, Yao Kong, Xiangzhe Zhu, Yi Shen, Tianning Zhang, Yangxi Chu, Xinmin Zhang, Jiafeng Fu, Qingxian Gao, Jingnan Hu, Zhigang Xue
Summary: An comprehensive emission inventory for China in 2019, which includes both air pollutants and greenhouse gases, was developed in this study. The inventory utilizes existing frameworks and data to provide comparable emissions data and demonstrates the relationship between emissions and economic development.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
I-Ting Ku, Yong Zhou, Arsineh Hecobian, Katherine Benedict, Brent Buck, Emily Lachenmayer, Bryan Terry, Morgan Frazier, Jie Zhang, Da Pan, Lena Low, Amy Sullivan, Jeffrey L. Collett Jr
Summary: Unconventional oil and natural gas development (UOGD) in the United States has expanded rapidly in recent decades, raising concerns about its impact on air quality. This study conducted extensive air monitoring during the development of several large well pads in Broomfield, Colorado, providing a unique opportunity to examine changes in local air toxics and VOC concentrations during well drilling and completions and production. The study identified significant increases in VOC concentrations during drilling operations, highlighting the importance of emissions from synthetic drilling mud. The findings suggest opportunities to mitigate emissions during UOGD operations.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Puji Lestari, Akbar R. Tasrifani, Wiranda I. Suri, Martin J. Wooster, Mark J. Grosvenor, Yusuke Fujii, Vissia Ardiyani, Elisa Carboni, Gareth Thomas
Summary: This study developed field emission factors for various pollutants in peatland fires and estimated the total emissions. Gas samples were collected using an analyzer, while particulate samples were collected using air samplers. The study found significant emissions of CO2, CO, PM2.5, carbon aerosols, water-soluble ions, and elements from the fires in Central Kalimantan, Indonesia in 2019.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Ligang Li, Yuyu Chen, Lu Fan, Dong Sun, Hu He, Yongshou Dai, Yong Wan, Fangfang Chen
Summary: A high-precision retrieval method based on a deep convolutional neural network and satellite remote sensing data is proposed to obtain accurate methane vertical profiles.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Hyung Joo Lee, Toshihiro Kuwayama, Michael Fitzgibbon
Summary: This study investigated the changes in nitrogen dioxide (NO2) air pollution levels and their disparities in California, U.S. during the pandemic of coronavirus disease 2019 (COVID-19). The results showed a decrease in NO2 concentrations, especially in urban and high-traffic areas. However, socially vulnerable populations still experienced higher levels of NO2 exposure. The study suggests that reducing NO2 disparities, particularly racial inequity, can be achieved through continued regulatory actions targeting traffic-related NOx emissions.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Maria Chiara Pietrogrande, Beatrice Biffi, Cristina Colombi, Eleonora Cuccia, Umberto Dal Santo, Luisa Romanato
Summary: This study investigates the chemical composition and oxidative potential of PM10 particles in the Po Valley, Italy, and demonstrates the impact of high levels of atmosphere ammonia. The rural area had significantly higher ammonia concentrations compared to the urban site, resulting in higher levels of secondary inorganic aerosol. Although the SIA components did not contribute significantly to the PM10 oxidative reactivity, they were correlated with the oxidative potential measurements. This suggests that the contribution of SIA to PM oxidative toxicity cannot be ignored.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Natalie Allen, Jan Gacnik, Sarrah M. Dunham-Cheatham, Mae Sexauer Gustin
Summary: Accurate measurement of atmospheric reactive mercury is challenging due to its reactivity and low concentrations. The University of Nevada, Reno Reactive Mercury Active System (RMAS) has been shown to be more accurate than the industry standard, but has limitations including long time resolution and sampling biases. Increasing the sampling flow rate negatively affected RM concentrations, but did not impact the chemical composition of RM captured on membranes.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Chin-Yu Hsu, Wei-Ting Hsu, Ching-Yi Mou, Pei-Yi Wong, Chih-Da Wu, Yu-Cheng Chen
Summary: This study estimated the daily exposure concentrations of PM2.5 for elderly individuals residing in different regions of Taiwan using land use regression with machine learning (LUR_ML) and microenvironmental exposure (ME) models. The accuracy of the models varied across regions, with the ME models exhibiting higher predictions and lower biases. The use of region-specific microenvironmental measurements in the ME model showed potential for accurate prediction of personal PM2.5 exposure.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Xiaohan Si, Kerrie Mengersen, Chuchu Ye, Wenbiao Hu
Summary: This study found that there is an interactive effect between air pollutants and weather factors, which significantly affects influenza transmission. Future research should consider the interactive effects between pollutants and temperature or humidity to evaluate the environment-influenza association.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Luxi Xu, Ruijun Xu, Yunshao Ye, Rui Wang, Jing Wei, Chunxiang Shi, Qiaoxuan Lin, Ziquan Lv, Suli Huang, Qi Tian, Yuewei Liu
Summary: This study aimed to evaluate the impact of ambient air pollution on hospital admissions for angina. The results showed that exposure to ambient particulate matter, sulfur dioxide, nitrogen dioxide, carbon monoxide, and ozone are associated with an increased risk of hospital admissions for angina. The association with nitrogen dioxide exposure was found to be the strongest.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Xinyu Yu, Man Sing Wong, Majid Nazeer, Zhengqiang Li, Coco Yin Tung Kwok
Summary: This study proposes a novel method to address the challenge of missing values in satellite-derived AOD products and creates a comprehensive daily AOD dataset for the Guangdong-Hong Kong-Macao Greater Bay Area. By reconstructing missing values and developing a new model, the derived dataset outperforms existing products and agrees well with ground-based observations. Additionally, the dataset exhibits consistent temporal patterns and more spatial details.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Yidan Zhang, Yifan Xu, Bo Peng, Wu Chen, Xiaoyu Cui, Tianle Zhang, Xi Chen, Yuan Yao, Mingjin Wang, Junyi Liu, Mei Zheng, Tong Zhu
Summary: This study developed a sensitive method to measure the metallic components of atmospheric fine particulate matter (PM2.5) and compared the results with different analysis methods. The concentrations of metallic components in personal PM2.5 samples were found to be significantly different from corresponding fixed-site samples. Personal sampling can reduce exposure misclassifications, and measuring metallic components is useful for exploring health risks and identifying sources of PM2.5.
ATMOSPHERIC ENVIRONMENT
(2024)
Review
Environmental Sciences
Jamie Leonard, Lea Ann El Rassi, Mona Abdul Samad, Samantha Prehn, Sanjay K. Mohanty
Summary: Increasing concentrations of microplastics in the Earth's atmosphere could have adverse effects on ecosystems and human health. The deposition rate of airborne microplastics is influenced by both land use and climate, and a global analysis suggests that climate may have a greater impact on the concentration and deposition rate of microplastics than land use.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Tian Zhou, Xiaowen Zhou, Zining Yang, Carmen Cordoba-Jabonero, Yufei Wang, Zhongwei Huang, Pengbo Da, Qiju Luo, Zhijuan Zhang, Jinsen Shi, Jianrong Bi, Hocine Alikhodja
Summary: This study investigated the long-range transport and effects of North African and Middle Eastern dust in East Asia using lidar observations and model simulations. The results showed that the dust originated from multiple sources and had a long transport time. The vertical distribution of the dust was found to be crucial for assessing its impacts.
ATMOSPHERIC ENVIRONMENT
(2024)
