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Particle-size correlation and prediction models of atmospheric heavy metals Atmos. Environ. (IF 5.0) Pub Date : 2024-04-10 Wei Huang, Weilian Sun, Donglei Sun, Chifei Zhou, Keyan Long, Zunzhen Zhang
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Molecular composition and sources of free amino acids in atmospheric aerosols from Mt. Tai and a nearby city Atmos. Environ. (IF 5.0) Pub Date : 2024-04-09 Qingzi Zhao, Libin Wu, Xiaoli Fu, Wei Hu, Yajie Wang, Yuantao Wang, Ke Xin, Jingjing Meng, Siyao Yue, Junjun Deng, Pingqing Fu
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Chemical composition and origins of PM2.5 in Chiang Mai (Thailand) by integrated source apportionment and potential source areas Atmos. Environ. (IF 5.0) Pub Date : 2024-04-09 Sarana Chansuebsri, Petr Kolar, Pavidarin Kraisitnitikul, Natthanit Kantarawilawan, Nuttipon Yabueng, Wan Wiriya, Duangduean Thepnuan, Somporn Chantara
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Effects of South Asian outflow on aerosol hygroscopicity and cloud droplet activation over the northern Indian Ocean Atmos. Environ. (IF 5.0) Pub Date : 2024-04-09 Vijayakumar S. Nair, T.C. Ajith, V. Jayachandran, Sobhan Kumar Kompalli, Mukunda M. Gogoi, S. Suresh Babu
As a part of the Integrated Campaign for Aerosols, gases and Radiation Budget (ICARB-2018), shipborne measurements of aerosol properties were carried out to study the influence of South Asian outflow on cloud condensation nuclei (CCN) characteristics over the South East Arabian Sea (SEAS) and equatorial Indian Ocean (EIO) during winter, 2018. The poor association between CCN concentration and mass
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Kinetics, products and mechanisms of unsaturated alcohols and NO3 radicals Atmos. Environ. (IF 5.0) Pub Date : 2024-04-09 Lin Hu, Shengrui Tong, Yanyong Xu, Hailiang Zhang, Meifang Chen, Xiang He, Maofa Ge
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Nitrogen atmospheric deposition in a high-altitude Alpine environment: A chemical and isotopic approach to investigate the influence from anthropized areas Atmos. Environ. (IF 5.0) Pub Date : 2024-04-08 R. Balestrini, H. Diémoz, M. Freppaz, C.A. Delconte, M. Caschetto, I. Matiatos
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Fast horizontal radial plume mapping of N2O using open-path absorption spectroscopy with a quantum-cascade laser Atmos. Environ. (IF 5.0) Pub Date : 2024-04-08 Peter John Rodrigo, Henning E. Larsen, A.S. Ashik, Nathalia Thygsen Vechi, Konstantinos Kissas, Anders Michael Fredenslund, Charlotte Scheutz, Christian Pedersen
We demonstrate record fast horizontal radial plume mapping (HRPM) of nitrous oxide (NO) emissions, enabled by a quantum-cascade laser (QCL) and an open-path direct absorption spectroscopy operating around the 4.5 μm wavelength. The high signal-to-noise ratio of the system yields an atmospheric NO sensor with a remarkable sensitivity of 25 ppt at 1 Hz update rate as assessed through Allan deviation
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Real-world particulate, GHG, and gaseous toxic emissions from heavy-duty diesel and natural gas vehicles Atmos. Environ. (IF 5.0) Pub Date : 2024-04-08 Zisimos Toumasatos, Hanwei Zhu, Thomas D. Durbin, Kent C. Johnson, Sam Cao, Georgios Karavalakis
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Effects of emission reductions on major anthropogenic aerosol-radiation-cloud interactions in East Asia in winter during 2007–2020 Atmos. Environ. (IF 5.0) Pub Date : 2024-04-08 Yaxin Hu, Bingliang Zhuang, Yinan Zhou, Yiman Gao, Peng Gao, Tijian Wang, Shu Li, Min Xie, Mengmeng Li
East Asia (EA) has always been a highly concern region for human-induced climate change. In this study, a well-developed regional model RegCM4 is employed to investigate the influences of major anthropogenic aerosol (MAA, including sulfate and primary carbonaceous aerosols) variations from 2007 to 2020 on East Asian climates in winter. Results indicate that high MAA loadings in EA in winter mainly
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The influence of dry deposition on surface ozone simulations under different planetary boundary layer schemes over eastern China Atmos. Environ. (IF 5.0) Pub Date : 2024-04-07 Danyang Li, Zehui Liu, Mi Zhou, Yuanhong Zhao, Lin Zhang
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Odor emission measurements: The role of n-butanol as a reference material and origins of large inter-laboratory variability Atmos. Environ. (IF 5.0) Pub Date : 2024-04-06 E. Antonsson, J. Cordes, B. Stoffels, D. Wildanger
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An improved approach to determine aerosol properties from all-sky camera imagery: Sensitivity to the partially cloud scenes Atmos. Environ. (IF 5.0) Pub Date : 2024-04-06 F. Scarlatti, J.L. Gómez-Amo, P.C. Valdelomar, V. Estellés, M.P. Utrillas
We present a new approach to determine aerosol properties from radiometrically calibrated images provided by an all-sky camera. It is designed to be used regardless of the sky conditions. However, we especially focus on partially cloudy scenes, which is the main novelty of this work. Our methodology is based on using a small sector of the image that contains the principal plane of the Sun. The RGB
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Multi-generation oxidation mechanism of M-xylene: Unexpected implications for secondary organic aerosol formation Atmos. Environ. (IF 5.0) Pub Date : 2024-04-05 Ruiqi Lu, Putian Zhou, Fangfang Ma, Qiaojing Zhao, Xiaoke Peng, Jingwen Chen, Hong-Bin Xie
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Identifying the sources of PM2.5 at a COALESCE site in the Brahmaputra Valley Region using dispersion normalized PMF Atmos. Environ. (IF 5.0) Pub Date : 2024-04-05 Adnan Mateen Qadri, Gyanesh Kumar Singh, Vivek Srivastava, Tarun Gupta, Shahadev Rabha, Nazrul Islam, Binoy K. Saikia
This study presents the results from PM (particulate matter ≤2.5 μm) source apportionment of a full-year sampling campaign at a Carbonaceous Aerosol Emissions, Source Apportionment and Climate Impacts (COALESCE) network site in the Brahmaputra Valley Region (BVR) of India. Conventional positive matrix factorization (C-PMF) and dispersion normalized PMF (DN-PMF) was applied for the PM source apportionment
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The formation of secondary inorganic aerosols: A data-driven investigation of Lombardy's secondary inorganic aerosol problem Atmos. Environ. (IF 5.0) Pub Date : 2024-04-04 Francesco Granella, Stefania Renna, Lara Aleluia Reis
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Gas-to-particle partitioning of atmospheric water-soluble organic aerosols: Indications from high-resolution observations of stable carbon isotope Atmos. Environ. (IF 5.0) Pub Date : 2024-04-04 Hao-Ran Yu, Yan-Lin Zhang, Fang Cao, Xiao-Ying Yang, Tian Xie, Yu-Xian Zhang, Yongwen Xue
One-hour resolution observations of stable carbon isotopes in both gaseous water-soluble organic carbon (WSOCg) and particulate water-soluble organic carbon (WSOCp) were conducted at a city site in the Yangtze River Delta. WSOCg exhibited significantly higher concentrations and lower C compared to WSOCp. The presence of radiation emerged as a crucial factor influencing the gas-particle partitioning
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Evaluating a simplified oxidation flow reactor configuration to characterize fresh and aged emissions from traditional and plancha-type cookstoves under field-like conditions Atmos. Environ. (IF 5.0) Pub Date : 2024-04-03 Aditya Sinha, Juan Carlos Vazquez, Victor Ruiz-Garcia, Omar Masera, Andrew P Grieshop
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Contrasting intra-urban variability of ultrafine particle number and fine particle mass concentrations in Dhaka, Bangladesh, and Pittsburgh, USA Atmos. Environ. (IF 5.0) Pub Date : 2024-04-03 Provat K. Saha, Tanbhir M. Shovon, Sheikh M. Rahman, Julian D. Marshall, Allen L. Robinson, Albert A. Presto
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Hourly variation characteristics of PM2.5 and main components in Beijing based on wind direction Atmos. Environ. (IF 5.0) Pub Date : 2024-04-02 Lihua Wang, Xinxin An, Yunting Li, Kuan Jing, Qin Wang, Feng Sun, Baoxian Liu
The annual average concentration of PM in Beijing consistently met the standard between 2021 and 2023. However, the pollution situation persists, particularly during autumn and winter. With the diminishing capacity for local emission reduction in Beijing, the significance of regional transport has increased. To examine the impact of various air masses on PM and its chemical constituents, a detailed
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Aircraft observations of aerosol and BC during the East Asian dust storm event: Vertical profiles, size distribution and mixing state Atmos. Environ. (IF 5.0) Pub Date : 2024-04-02 Xingguang Liu, Delong Zhao, Zhongqing Niu, Guangna Zhao, Deping Ding, Yi Chen, Haotian Liu
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Impacts of open biomass burning in Southeast Asia on atmospheric PM2.5 concentrations over south China from 2009 to 2018 Atmos. Environ. (IF 5.0) Pub Date : 2024-04-02 Jie Li, Wenxuan Fan, Jian Wu, Zhiwei Han, Jiawei Li, Chuwei Zhang, Lin Liang
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Hybrid IFDMB/4D-Var inverse modeling to constrain the spatiotemporal distribution of CO and NO2 emissions using the CMAQ adjoint model Atmos. Environ. (IF 5.0) Pub Date : 2024-03-31 Jeonghyeok Moon, Yunsoo Choi, Wonbae Jeon, Hyun Cheol Kim, Arman Pouyaei, Jia Jung, Shuai Pan, Soontae Kim, Cheol-Hee Kim, Juseon Bak, Jung-Woo Yoo, Jaehyeong Park, Dongjin Kim
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Variability in morphology of soot particles during non-cloud and in-cloud processes Atmos. Environ. (IF 5.0) Pub Date : 2024-03-28 Yuanyuan Wang, Liang Xu, Zexuan Zhang, Jian Zhang, Lei Liu, Yinxiao Zhang, Yuner Pang, Qi Yuan, Pingqing Fu, Dantong Liu, Weijun Li
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Characteristics of urban black carbon aerosols in the Yangtze River Delta of China based on long-term observations Atmos. Environ. (IF 5.0) Pub Date : 2024-03-28 Yinan Zhou, Bingliang Zhuang, Tijian Wang, Peng Gao, Shu Li, Yaxin Hu, Mengmeng Li, Heng Cao, Min Xie, Huimin Chen
Black carbon (BC) aerosols are important absorbing components that can impact the regional climate and environment. To better understand the effects of BC, long-term variations in BC concentrations and the relationships between BC and other air pollutants were investigated in urban Nanjing in the Yangtze River Delta (YRD) based on near-nine-year observations using a seven-channel aethalometer (AE-31)
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New particle formation event detection with convolutional neural networks Atmos. Environ. (IF 5.0) Pub Date : 2024-03-27 Xun Zhang, Lijie Wu, Xiansheng Liu, Tao Wang, Marta Monge, Meritxell Garcia-Marlès, Marjan Savadkoohi, Imre Salma, Susanne Bastian, Maik Merkel, Kay Weinhold, Alfred Wiedensohler, Holger Gerwig, Jean Putaud, Sebastiao Martins Dos Dantos, Jakub Ondracek, Nadezda Zikova, Andrea Minkos, Marco Pandolfi, Andrés Alastuey, Xavier Querol
New aerosol particle formation (NPF) events play a significant role in altering aerosol concentrations and dispersion within the atmosphere, making them vital for both climate and air quality research. The primary objective of investigating NPF events is to precisely determine their occurrence dates. In this study, we introduced the ConvNeXt model for the first time to identify NPF events, and compared
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Sensitivity of air quality to vehicle ammonia emissions in the United States Atmos. Environ. (IF 5.0) Pub Date : 2024-03-26 Claudia Toro, Darrell Sonntag, Jesse Bash, Guy Burke, Benjamin N. Murphy, Karl M. Seltzer, Heather Simon, Mark W. Shephard, Karen E. Cady-Pereira
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High spatio-temporal resolution predictions of PM2.5 using low-cost sensor data Atmos. Environ. (IF 5.0) Pub Date : 2024-03-26 Armita Kar, Mohammed Ahmed, Andrew A. May, Huyen T.K. Le
We generated PM predictions at a high spatio-temporal resolution in the Columbus, OH, Denver, CO, and Pittsburgh, PA metropolitan areas using low-cost PurpleAir sensor data. We used multiple modeling approaches, namely random forest (RF), random forest spatial interpolation (RFSI), space-time regression kriging (STRK), and random forest kriging (RFK). We trained separate models for each combination
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Three-dimensional reconstruction of aerosols based on spectral radiance matching Atmos. Environ. (IF 5.0) Pub Date : 2024-03-26 Pei Li, Yong Xue, Huihui Li, Botao He, Wenping Yin, Peng Wang
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Insights into atmospheric trace gases, aerosols, and transport processes at a high-altitude station (2623 m a.s.l.) in Northeast Asia Atmos. Environ. (IF 5.0) Pub Date : 2024-03-26 Ye Shan, Yujiao Zhu, Yanbi Qi, Yu Yang, Jiangshan Mu, Mingxuan Liu, Hongyong Li, Ji Zhang, Yanqiu Nie, Yuhong Liu, Min Zhao, Xin Zhang, Lingli Zhang, Yufei Wang, Hong Li, Hengqing Shen, Yuqiang Zhang, Xinfeng Wang, Liubin Huang, Wenxing Wang, Likun Xue
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Development of an integrated machine learning model to improve the secondary inorganic aerosol simulation over the Beijing–Tianjin–Hebei region Atmos. Environ. (IF 5.0) Pub Date : 2024-03-25 Ning Ding, Xiao Tang, Huangjian Wu, Lei Kong, Xu Dao, Zifa Wang, Jiang Zhu
Secondary inorganic aerosols (sulfate, nitrate, and ammonium, SNA) are the key components of PM in China. Accurate and seamless SNA concentration data therefore are important for pollution controls and environmental health risk studies. However, the spatiotemporal characters and changes of SNA are still difficult to accurately estimate due to the shortages of SNA datasets with high accuracy and resolution
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Human pulmonary cytotoxicity of vehicular derived PM2.5: A study from three characterized tunnels Atmos. Environ. (IF 5.0) Pub Date : 2024-03-25 Xinyi Niu, Jinjin Yu, Ningning Zhang, Jian Sun, Kin-Fai Ho, Zhenxing Shen, Yu Huang, Junji Cao
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Observation of ozone deposition flux and its contribution to stomatal uptake over a winter wheat field in eastern China Atmos. Environ. (IF 5.0) Pub Date : 2024-03-25 Hui Zhao, Jing Huang, Youfei Zheng
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More evidence on primary sulfate emission from residential coal combustion in northern China: Insights from the size-segregated chemical profile, morphology, and sulfur isotope Atmos. Environ. (IF 5.0) Pub Date : 2024-03-24 Lilai Song, Sihan Yin, Shenyu Bi, Jiamei Yang, Xuehan Wang, Xiaohui Bi, Yufen Zhang, Jianhui Wu, Qili Dai, Yinchang Feng
This study addresses the ongoing debate concerning the origin of ambient sulfate in northern China, and provides more evidence for primary sulfate from the perspective of source emission. An extensive field experiment was conducted, involving the collection of size-segregated particulate matter emitted under various coal types and combustion conditions for subsequent analysis. Our findings reveal that
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Update of Air Quality Health Index (AQHI) and harmonization of health protection and climate mitigation Atmos. Environ. (IF 5.0) Pub Date : 2024-03-22 Kimberly Tasha Jiayi Tang, Changqing Lin, Zhe Wang, Sik Wing Pang, Tze-Wai Wong, Ignatius Tak Sun Yu, Wallace Wai Yip Fung, Md Shakhaoat Hossain, Alexis K.H. Lau
Hong Kong has used a risk-based Air Quality Health Index (AQHI) system for nearly a decade, which aggregates hospitalization risks associated with short-term exposure to pollutants. Serving as an air pollution risk communication tool, it keeps the public informed about the current air quality, anchoring around the World Health Organization's (WHO) 2005 Air Quality Guidelines (AQGs). Given the WHO's
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Characterization and sources of volatile organic compounds (VOCs) during 2022 summer ozone pollution control in Shanghai, China Atmos. Environ. (IF 5.0) Pub Date : 2024-03-21 Zheng Xiao, Xuerui Yang, Hongming Gu, Jialiang Hu, Tongguang Zhang, Jianian Chen, Xukang Pan, Guangli Xiu, Wei Zhang, Mingyue Lin
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Revised estimates of NO2 reductions during the COVID-19 lockdowns using updated TROPOMI NO2 retrievals and model simulations Atmos. Environ. (IF 5.0) Pub Date : 2024-03-21 Brad L. Fisher, Lok N. Lamsal, Zachary Fasnacht, Luke D. Oman, Joanna Joiner, Nickolay A. Krotkov, Sungyeon Choi, Wenhan Qin, Eun-Su Yang
The TROPOspheric Monitoring Instrument (TROPOMI) observed unprecedented declines in NO vertical column densities (VCD) over the world's most densely populated cities during the 2020 COVID-19 lockdowns. These favorable changes in NO air quality were correlated with sharp reductions in traffic volume and economic activity during the lockdowns. In this comprehensive global study, we provide revised estimates
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A comprehensive assessment of ions in snow and ice cores based on global observational data Atmos. Environ. (IF 5.0) Pub Date : 2024-03-21 Xuejing Li, Yang Chen, Shirui Yan, Hui Zhang, Xueying Zhang, Xiaoying Niu, Dongyou Wu, Yue Zhou, Xin Wang, Wei Pu
Snow and ice are important reservoirs of atmospheric ions, yet a comprehensive understanding of ions in snow/ice remains a challenge due to spatiotemporal limitations of field campaigns. To address this issue, mathematical statistics were employed to summarize global observational data from 49 published sources covering 546 snow and 19 ice core sampling sites. The findings show remarkable variability
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Performance evaluation of four sampling techniques and source apportionment for the atmospheric deposition fluxes of polycyclic aromatic hydrocarbons Atmos. Environ. (IF 5.0) Pub Date : 2024-03-21 Quang Tran Vuong, Keun-Sik Jung, Seong-Joon Kim, Hye-Ok Kwon, Tien Van Do, Ji Yi Lee, Sung-Deuk Choi
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Designing additional CO2 in-situ surface observation networks over South Korea using bayesian inversion coupled with Lagrangian modelling Atmos. Environ. (IF 5.0) Pub Date : 2024-03-20 Samuel Takele Kenea, Daegeun Shin, Shanlan Li, Sangwon Joo, Sumin Kim, Lev D. Labzovskii
Efforts to enhance greenhouse gas (GHG) emission reduction in East Asia play a pivotal role on both global and regional scales in advancing climate mitigation strategies. This study aimed to better constrain anthropogenic CO emission estimates by expanding the network of near-surface in-situ stations for CO observations across South Korea. To achieve an optimal CO network design, we conducted an Observing
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A quantitative analysis of causes for increasing ozone pollution in Shanghai during the 2022 lockdown and implications for control policy Atmos. Environ. (IF 5.0) Pub Date : 2024-03-19 Yingnan Zhang, Qingyan Fu, Tao Wang, Juntao Huo, Huxiong Cui, Jiangshan Mu, Yue Tan, Tianshu Chen, Hengqing Shen, Qinyi Li, Likun Xue
Ground-level ozone (O) pollution is a major air quality issue in densely populated urban areas. Despite a significant decline in human activities in the megacity Shanghai from March 28 to May 31, 2022, ground-level measurements indicate a rise in maximum daily average 8-h (MDA8) O concentrations in comparison to the corresponding period in 2021. There is a need for quantitative analysis to identify
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Size distribution and source-specific risks of atmospheric elements in Dalian, a coastal city in north China Atmos. Environ. (IF 5.0) Pub Date : 2024-03-19 Rong Cao, Fanyu Meng, A. Mila, Xiaoli Sun, Haijun Zhang, Jiping Chen, Ningbo Geng
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Optical and physical characteristics of aerosols over Asia: AERONET, MERRA-2 and CAMS Atmos. Environ. (IF 5.0) Pub Date : 2024-03-18 Kamran Ansari, S. Ramachandran
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Improving the Asian dust storm prediction using WRF-Chem through combinational optimization of physical parameterization schemes Atmos. Environ. (IF 5.0) Pub Date : 2024-03-18 Ji Won Yoon, Ebony Lee, Seon Ki Park
This study aims to enhance the accuracy of the Weather Research and Forecasting model coupled with Chemistry (WRF-Chem) in forecasting Asian dust storms (ADSs) by using the micro-Genetic Algorithm (μGA). We developed an optimization system---the WRF-Chem-μGA system---to seek the optimal combination of the planetary boundary layer (PBL) and land surface parameterization schemes, which are crucial for
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Calibration method of particulate matter sensor based on density peaks clustering combined with stacking algorithm Atmos. Environ. (IF 5.0) Pub Date : 2024-03-18 Jiazhen Lu, Junjie Liu, Xiaoxia Han, Yue Liu, Bo Xu, Ji Xiao
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Modelling the effect of shape on atmospheric microplastic transport Atmos. Environ. (IF 5.0) Pub Date : 2024-03-18 Eric Ward, Mark Gordon, Ronald Hanson, Liisa M. Jantunen
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Influence of updated isoprene oxidation mechanisms on the formation of intermediate and secondary products in MCM v3.3.1 Atmos. Environ. (IF 5.0) Pub Date : 2024-03-15 Zhenhao Ling, Huatian Guan, Yonghong Wang, Xiaoyu Yu, Jiayin Sun, Yee Jun Tham, Xuemei Wang, Zhe Wang, Hai Guo
In this study, we developed an observation based photochemical box model with the measurement data collected at a suburban site (i.e., the Xianghe, XH site) of the Beijing-Tianjin-Hebei (BTH) region and the latest version of the Master Chemical Mechanism (MCM v3.3.1), which newly incorporated 498 reaction for the additional 155 species with the oxidation of isoprene by the OH radical. The influence
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Detection of Chinese Spring Festival in Beijing using in-situ CO2 observations and atmospheric inversion Atmos. Environ. (IF 5.0) Pub Date : 2024-03-15 Zhiqiang Liu, Ning Zeng, Pengfei Han, Qixiang Cai, Bo Yao, Pucai Wang, Weijun Quan, Wenhan Tang, Zhoutong Liang, Yun Liu, Martin Cory
Anthropogenic CO emissions inventories in urban areas are highly uncertain and lack fine-scale temporal information. Here, we use atmospheric CO observations from 6 sites and an ensemble-based "top-down" inversion system to estimate the spatiotemporal dynamics of CO emissions in the world's largest urban agglomeration of Beijing-Tianjin-Hebei (JJJ). Relative to the period before the Chinese Spring
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Heterogeneous variations in wintertime PM2.5 sources, compositions and exposure risks at urban/suburban rural/remote rural areas in the post COVID-19/Clean-Heating period Atmos. Environ. (IF 5.0) Pub Date : 2024-03-14 Zhiyong Li, Zhuangzhuang Ren, Chen Liu, Zhi Ning, Jixiang Liu, Jinming Liu, Zhen Zhai, Xiaohua Ma, Lan Chen, Yuling Zhang, Longkai Bai, Shaofei Kong
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CO2 synergistic emission reduction and health benefits of PM2.5 reaching WHO-III level in Pearl River Delta Atmos. Environ. (IF 5.0) Pub Date : 2024-03-14 Yijia Zheng, Wutao Zeng, Shucheng Chang, Long Wang, Chenghao Liao, Yongbo Zhang
Protecting human health is one of the fundamental goals of continuous air quality improvement. Considering the same sources of CO and air pollutants emissions, their emission control measures often have a certain degree of synergistic emission reduction effects To balance the costs and policy efficiency, policy makers should assess the synergistic benefits of CO emission reduction when formulating
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A bipolar SMPS network for measuring atmospheric aerosols using natural air ions Atmos. Environ. (IF 5.0) Pub Date : 2024-03-13 Yiran Li, Jin Wu, Hao Wu, Xiaomeng Liu, Qi Zhou, Yiqun Lu, Yuhang Wu, Mengyu Liu, Hengjia Ou, Shixin Mai, Xuehui He, Huaying Song, Haoqian Wang, Ping Zeng, Yiming Wang, Dongbin Wang, Qiang Zhang, Jianguo Deng, Jianwu Shi, Xiaoxiao Li, Jun Zhao, Fang Zhang, Cheng Huang, Mei Zheng, Jiming Hao, Jingkun Jiang
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Variability of nocturnal aerosol optical properties in China and correlations with meteorological variables during 2003–2022 Atmos. Environ. (IF 5.0) Pub Date : 2024-03-11 Fuxing Li, Zhengqiang Li, Li Li, Cheng Fan, Yisong Xie
Aerosol optical properties in daytime have been widely explored based on the ground-based and satellite-based passive remote sensing. However, few studies have investigated long-term variability of nocturnal aerosol optical properties and its impact factors mainly due to scarce observations. Nocturnal aerosol optical depth (NAOD) and Ångström exponent (NAE) derived from Copernicus Atmosphere Monitoring
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Seasonal distributions and possible sources of low molecular weight organic acids in PM2.5 from a typical mining city after decade green mining developing in Southeastern Hubei, Central China Atmos. Environ. (IF 5.0) Pub Date : 2024-03-11 Shan Liu, Kimitaka Kawamura, Bhagawati Kunwar, Ambarish Pokhrel, Changlin Zhan, Hongxia Liu, Jiaquan Zhang, Jihong Quan
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Unveiling the urban resilience in cities of China, a study on NO2 concentrations and COVID-19 pandemic Atmos. Environ. (IF 5.0) Pub Date : 2024-03-08 Shaolin Wu, Man Sing Wong, Baofeng Di, Xiaoli Ding, Guoqiang Shi, Edwin H.W. Chan, Waqas Muhammad
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Nitrogen compounds at Mexican and USA coasts on the Gulf of Mexico Atmos. Environ. (IF 5.0) Pub Date : 2024-03-08 Daimy Avila Rodríguez, Rodolfo Sosa Echeverría, Gilberto Fuentes García, Ana Luisa Alarcón Jiménez, Georgina Fernández Villagómez, Víctor Magaña, John Walker, Pablo Sánchez Álvarez
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Assessing school children's personal exposure to PM2.5 in Suva, Fiji Atmos. Environ. (IF 5.0) Pub Date : 2024-03-08 Basant Pradhan, Kimberly Singh, Rohan Jayaratne, Helen Thompson, Paul Jagals, Jone Gucake, Jimmy Jaghoro Hilly, Amelia Turagabeci, Lidia Morawska
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Investigation of 2021 wildfire impacts on air quality in southwestern Turkey Atmos. Environ. (IF 5.0) Pub Date : 2024-03-07 Merve Eke, Fulya Cingiroglu, Burcak Kaynak
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Synoptic circulation factors associated with wintertime high-PM2.5 concentrations in seoul, Republic of Korea: Their interpretations and applications Atmos. Environ. (IF 5.0) Pub Date : 2024-03-06 Hye-Ryun Oh, Doo-Sun R. Park, Dasol Kim, Chang-Hoi Ho, Seungmin Lee
Many studies have explored atmospheric circulation fields associated with high particulate matter (PM) events, but only a few studies have evaluated the relative importance of meteorological variables in the circulation fields. In this study, we applied factor analysis method to examine meteorological variables related to the synoptic pattern of high-PM episodes (i.e., days with daily averaged PM concentration
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Role of turbulence in ozone chemistry: Segregation effect implicated from multiscale modeling over Hong Kong Atmos. Environ. (IF 5.0) Pub Date : 2024-03-06 Yuting Wang, Yong-Feng Ma, Cathy W.Y. Li, Tao Wang, Guy Brasseur
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The value of adding black carbon to community monitoring of particulate matter Atmos. Environ. (IF 5.0) Pub Date : 2024-03-05 Rebecca A. Sugrue, Chelsea V. Preble, James D.A. Butler, Alaia J. Redon-Gabel, Pietro Marconi, Karan D. Shetty, Lee Ann L. Hill, Audrey M. Amezcua-Smith, Boris R. Lukanov, Thomas W. Kirchstetter
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A deep learning-based imputation method for missing gaps in satellite aerosol products by fusing numerical model data Atmos. Environ. (IF 5.0) Pub Date : 2024-03-04 Ning Liu, Yi Li, Zengliang Zang, Yiwen Hu, Xin Fang, Simone Lolli
Satellite-based aerosol optical depth (AOD) products are commonly used in various aerosol-related studies, such as aerosol pollution mapping and aerosol-climate interactions. However, these satellite AOD products often suffer from significant missing gaps due to cloud cover and limitations in the retrieval algorithm. To address this issue, some studies take advantage of real-time seamless simulation