Four-year community-wide PM2.5 exposure characterization using a low-cost sensor network in a rural valley influenced by residential wood smoke [0.03%]
基于低成本传感器网络的农村山谷地区四年PM2.5暴露特征研究——受民用薪柴烟雾影响
Nora Traviss,John Stanway,John Woodward et al.
Nora Traviss et al.
Exposure to fine particulate matter (PM2.5) from woodsmoke is a national and global public health concern. While wood heat use is increasing in the Northeast U.S., exposure to woodsmoke in rural valleys in this region remains understudied. ...
Trends in Fine Particulate Matter and Source Contributions over the Last Decade in Central Los Angeles (2014-2024): Policy-Driven Declines, COVID-19 Disruptions, and Wildfires [0.03%]
过去十年南加州洛杉矶市中心细颗粒物浓度及其来源变化（2014-2024）：政策驱动的下降、新冠疫情干扰及野火影响
Mohammad Mahdi Badami,Mohammad Aldekheel,Yashar Aghaei et al.
Mohammad Mahdi Badami et al.
This study analyzed speciated PM2.5 data (2014-2024) from the Chemical Speciation Network in central Los Angeles and used positive matrix factorization (PMF) to identify and apportion sources, and quantified changes in their contributions o...
Identifying Surface Sulphur Dioxide (SO2) Monitoring Gaps in Saint John, Canada with Land Use Regression and Hot Spot Mapping [0.03%]
基于土地利用回归和热点制图的加拿大圣约翰地区二氧化硫（SO₂）监测缺口识别研究
Tsz Kin Siu,Christopher S Greene,Kelvin C Fong
Tsz Kin Siu
Saint John experiences ambient sulphur dioxide (SO2) pollution due to a high density of industrial activities. Despite recent reduction in SO2 emissions, over 90% of the provincial exceedances of air pollutants were related to SO2 or total ...
Spatiotemporal trends in PM2.5 chemical composition in the conterminous U.S. during 2006-2020 [0.03%]
2006年至2020年美国本土PM₂.₅化学组分的时空变化趋势
Bin Cheng,Kiran Alapaty,Saravanan Arunachalam
Bin Cheng
The spatiotemporal variations of fine particulate matter PM 2.5 chemical composition have changed over time in the U.S. and increasing evidence indicated differential toxicity of PM 2.5 chemical composition. Thus, comprehensive ex...
Potential environmental impact of the chlorine-containing disinfectants usage during the COVID-19 [0.03%]
含氯消毒剂使用对环境潜在影响的思考——以新冠肺炎疫情期间为例分析
Xin Yi,Sijia Yin,Golam Sarwar et al.
Xin Yi et al.
Chlorine radicals (Cl) play a crucial role in atmospheric chemistry. The COVID-19 (coronavirus disease 2019) pandemic significantly increased the use of chlorine-containing disinfectants in China, leading to enhanced emissions of chlorine g...
EVALUATION AND COMPARISON OF MODIS AEROSOL OPTICAL DEPTH RETRIEVAL ALGORITHMS OVER BRAZIL [0.03%]
巴西境内MODIS气溶胶光学厚度反演算法的评估与比较研究
Anderson Paulo Rudke,Jorge Alberto Martins,Leila Droprinchinski Martins et al.
Anderson Paulo Rudke et al.
Brazil experiences significant aerosol loads throughout the year, particularly during the biomass-burning season in the Amazon. Thus, given the importance of aerosols for climate and health, this research aimed to validate and compare Aeros...
Ground ozone rise during the 2022 Shanghai lockdown caused by the unfavorable emission reduction ratio of nitrogen oxides and volatile organic compounds [0.03%]
2022年上海疫情期间地面臭氧上升是由于氮氧化物和挥发性有机化合物减排比例不利造成的
Qian Wang,Yuewu Li,Fangqian Zhong et al.
Qian Wang et al.
Ground-level ozone (O3) pollution has shifted from a scientific issue to a key focus of governmental action in China. In recent years, the concentration of NO2 in Shanghai has shown a decreasing trend of 3.7% annually, but ozone concentrati...
Emissions of Condensable Organic Aerosols from Stationary Combustion Sources over Japan [0.03%]
日本固定燃烧源的凝结有机气溶胶排放研究
Yu Morino,Satoru Chatani,Yuji Fujitani et al.
Yu Morino et al.
Treatment of condensable particulate matter (CPM) is key for accurate simulation of atmospheric particulate matter (PM), because conventional stationary combustion source emission surveys do not measure CPM in many countries. This study upd...
Improving the particle dry deposition scheme in the CMAQ photochemical modeling system [0.03%]
在CMAQ光化学模式系统中改进气溶胶干沉降方案
Qian Shu,Benjamin Murphy,Donna Schwede et al.
Qian Shu et al.
Dry deposition of atmospheric aerosols in large-scale models is a critical, but highly uncertain, sink process with a strong dependence on particle size, meteorological conditions, and land surface properties. This study investigates the pa...
Investigating Southeast Asian biomass burning by the WRF-CMAQ two-way coupled model: Emission and direct aerosol radiative effects [0.03%]
WRF-CMAQ双向耦合模型研究东南亚生物质燃烧及其排放和气溶胶直接辐射效应
Yeqi Huang,Xingcheng Lu,Jimmy C H Fung et al.
Yeqi Huang et al.
Southeast Asia (SEA) is one of the world's major sources of biomass burning (BB). In this study, the recently released Weather Research and Forecasting-Community Multiscale Air Quality (WRF-CMAQ) two-way coupled model was used with the Glob...