Ozone exposure-response relationships parametrized for sixteen tree species with varying sensitivity in the United States [0.03%]
具有不同敏感性的16种美国树种的臭氧暴露-反应关系参数化模型
E Henry Lee,Christian P Andersen,Peter A Beedlow et al.
E Henry Lee et al.
It is well known that exposure to ambient O3 can decrease growth in many tree species in the United States (US). Our study reports experimental data from outdoor open-top chamber (OTC) studies that quantify total biomass response changes fo...
Wet nitrogen (N) deposition to urban Latin America: filling in the gaps with GEOS-Chem [0.03%]
城市拉丁美洲湿季氮沉降的模拟：使用GEOS-Chem填补空白
Alexandra G Ponette-González,Haley Lewis,Barron H Henderson et al.
Alexandra G Ponette-González et al.
In Latin America, atmospheric deposition is a major vector of nitrogen (N) input to urban systems. Yet, measurements of N deposition are sparse, precluding analysis of spatial patterns, temporal trends, and ecosystem impacts. Chemical trans...
Exploration of PM mass, source, and component-related factors that might explain heterogeneity in daily PM2.5-mortality associations across the United States [0.03%]
探索美国各地区PM2.5日均浓度与死亡率异同性的成因:来自PM质量、来源和组分等方面的新证据
Kristen M Rappazzo,Lisa Baxter,Jason D Sacks et al.
Kristen M Rappazzo et al.
Multi-city epidemiologic studies examining short-term (daily) differences in fine particulate matter (PM2.5) provide evidence of substantial spatial heterogeneity in city-specific mortality risk estimates across the United States. Because P...
Insights from Application of a Hierarchical Spatio-Temporal Model to an Intensive Urban Black Carbon Monitoring Dataset [0.03%]
基于城市黑碳密集型观测数据的分层时空模型应用分析
Travis Hee Wai,Joshua S Apte,Maria H Harris et al.
Travis Hee Wai et al.
Existing regulatory pollutant monitoring networks rely on a small number of centrally located measurement sites that are purposefully sited away from major emission sources. While informative of general air quality trends regionally, these ...
Unexpected rise of atmospheric secondary aerosols from biomass burning during the COVID-19 lockdown period in Hangzhou, China [0.03%]
中国杭州疫情期间生物质燃烧二次气溶胶的意外增加
Huifeng Xu,Linghong Chen,Jiansong Chen et al.
Huifeng Xu et al.
After the global outbreak of COVID-19, the Chinese government took many measures to control the spread of the virus. The measures led to a reduction in anthropogenic emissions nationwide. Data from a single particle aerosol mass spectromete...
Evaluation of NOx emissions before, during, and after the COVID-19 lockdowns in China: A comparison of meteorological normalization methods [0.03%]
中国COVID-19管控期间NOx排放的评估：气象归一化方法对比分析
Qinhuizi Wu,Tao Li,Shifu Zhang et al.
Qinhuizi Wu et al.
Meteorological normalization refers to the removal of meteorological effects on air pollutant concentrations for evaluating emission changes. There currently exist various meteorological normalization methods, yielding inconsistent results....
Impact of the COVID-19 on the vertical distributions of major pollutants from a tower in the Pearl River Delta [0.03%]
COVID-19对珠江三角洲地区大气污染物垂直分布的影响：基于城市中心325米塔架的观测研究
Lei Li,Chao Lu,Pak-Wai Chan et al.
Lei Li et al.
The outbreak of the 2019 novel coronavirus (COVID-19) had a large impact on human health and socio-economics worldwide. The lockdown implemented in China beginning from January 23, 2020 led to sharp reductions in human activities and associ...
Nonlinear influence of winter meteorology and precursor on PM2.5 based on mathematical and numerical models: A COVID-19 and Winter Olympics case study [0.03%]
基于数学和数值模型的冬季气象和前体物对PM2.5非线性影响研究：以新冠疫情和冬奥会为例
Wang Xiaoqi,Duan Wenjiao,Zhu Jiaxian et al.
Wang Xiaoqi et al.
Air pollution during the COVID-19 epidemic in Beijing and its surrounding regions has received substantial attention. We collected observational data, including air pollutant concentrations and meteorological parameters, during January and ...
Evaluation of small form factor, filter-based PM2.5 samplers for temporary non-regulatory monitoring during wildland fire smoke events [0.03%]
评估小尺寸过滤器型PM2.5采样器在野火烟雾事件期间进行临时非监管监测的效果
Jonathan Krug,Russell Long,Maribel Colón et al.
Jonathan Krug et al.
Wildland fire activity and associated emission of particulate matter air pollution is increasing in the United States over the last two decades due primarily to a combination of increased temperature, drought, and historically high forest f...
Characteristic changes of ozone and its precursors in London during COVID-19 lockdown and the ozone surge reason analysis [0.03%]
新冠肺炎疫情期间伦敦臭氧及其前体物的变化特征及臭氧浓度激增原因分析
Chenyue Zhang,David Stevenson
Chenyue Zhang
The London COVID-19 lockdown reduced emissions from anthropogenic sources, providing unique conditions for air contamination research. This research uses tropospheric ozone (O3), volatile organic compounds (VOCs) and NOx (NO+NO2) hourly mon...