Ozone dry deposition through plant stomata: Multi-model comparison with flux observations and the role of water stress as part of AQMEII4 Activity 2 [0.03%]
基于AQMEII4活动的臭氧干沉降多模式评估及水分胁迫的作用
Anam M Khan,Olivia E Clifton,Jesse O Bash et al.
Anam M Khan et al.
A substantial portion of tropospheric O 3 dry deposition occurs after diffusion of O 3 through plant stomata. Simulating stomatal uptake of O 3 in 3D atmospheric chemistry models is important in the face of increasing drought induc...
Fingerprints of the COVID-19 economic downturn and recovery on ozone anomalies at high-elevation sites in North America and western Europe [0.03%]
北美和西欧高海拔地区COVID-19经济衰退和复苏对臭氧异常的影响指纹
Davide Putero,Paolo Cristofanelli,Kai-Lan Chang et al.
Davide Putero et al.
With a few exceptions, most studies on tropospheric ozone (O3) variability during and following the COrona VIrus Disease (COVID-19) economic downturn focused on high-emission regions or urban environments. In this work, we investigated the ...
Predicted impacts of heterogeneous chemical pathways on particulate sulfur over Fairbanks (Alaska), the Northern Hemisphere, and the Contiguous United States [0.03%]
基于异质化学反应对颗粒态硫的模拟研究——以费尔班克斯(阿拉斯加)、北半球和美国本土为例
Sara L Farrell,Havala O T Pye,Robert Gilliam et al.
Sara L Farrell et al.
A portion of Alaska's Fairbanks North Star Borough was designated as nonattainment for the 2006 24 h fine particulate matter 2.5 μm or less in diameter (PM2.5) National Ambient Air Quality Standards (NAAQS) in 2009. PM2.5 NAAQS exceedances...
Investigating processes influencing simulation of local Arctic wintertime anthropogenic pollution in Fairbanks, Alaska, during ALPACA-2022 [0.03%]
基于ALPACA-2022实验的阿拉斯加费尔班克斯冬季人造污染的地方性北极模拟影响过程研究
Natalie Brett,Kathy S Law,Steve R Arnold et al.
Natalie Brett et al.
Lagrangian tracer simulations are deployed to investigate processes influencing vertical and horizontal dispersion of anthropogenic pollution in Fairbanks, Alaska, during the Alaskan Layered Pollution and Chemical Analysis (ALPACA) 2022 fie...
Atmospheric oxidation of 1,3-butadiene: influence of seed aerosol acidity and relative humidity on SOA composition and the production of air toxic compounds [0.03%]
1,3-丁二烯的大气氧化:种子气溶胶酸度和相对湿度对SOA组成及空气有毒化合物生成的影响
Mohammed Jaoui,Klara Nestorowicz,Krzysztof J Rudzinski et al.
Mohammed Jaoui et al.
This study investigated the effect of relative humidity (RH) on the chemical composition of gas and particle phases formed from the photooxidation of 1,3-butadiene (13BD) in the presence of NO x under acidified and non-acidified seed aeroso...
Role of chemical production and depositional losses on formaldehyde in the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM) [0.03%]
化学产量和沉积损耗在社区区域多相化学机制中的作用(CRACMM)
T Nash Skipper,Emma L DAmbro,Forwood C Wiser et al.
T Nash Skipper et al.
Formaldehyde (HCHO) is an important air pollutant with direct cancer risk and ozone-forming potential. HCHO sources are complex because HCHO is both directly emitted and produced from oxidation of most gas-phase reactive organic carbon. We ...
Critical load exceedances for North America and Europe using an ensemble of models and an investigation of causes of environmental impact estimate variability: an AQMEII4 study [0.03%]
基于模型集合的北美洲和欧洲超过临界负荷的研究及环境影响估算差异的原因分析:AQMEII4研究
Paul A Makar,Philip Cheung,Christian Hogrefe et al.
Paul A Makar et al.
Exceedances of critical loads for deposition of sulfur (S) and nitrogen (N) in different ecosystems were estimated using European and North American ensembles of air quality models, under the Air Quality Model Evaluation International Initi...
Bridging the spatial gaps of the Ammonia Monitoring Network using satellite ammonia measurements [0.03%]
基于卫星观测的氨气监测网空间缺口分析
Rui Wang,Da Pan,Xuehui Guo et al.
Rui Wang et al.
Ammonia (NH3) is a key precursor to fine particulate matter (PM2.5) and a primary form of reactive nitrogen. The limited number of NH3 observations hinders further understanding of its impacts on air quality, climate, and biodiversity. Curr...
Long-term regional trends of nitrogen and sulfur deposition in the United States from 2002 to 2017 [0.03%]
2002年至2017年美国氮和硫沉降的长期区域趋势
Sarah E Benish,Jesse O Bash,Kristen M Foley et al.
Sarah E Benish et al.
Atmospheric deposition of nitrogen (N) and sulfur (S) compounds from human activity has greatly declined in the United States (US) over the past several decades in response to emission controls set by the Clean Air Act. While many observati...
Impacts of condensable particulate matter on atmospheric organic aerosols and fine particulate matter (PM2.5) in China [0.03%]
可凝结颗粒物对中国大气有机气溶胶和细颗粒物(PM₂.₅)的影响
Mengying Li,Shaocai Yu,Xue Chen et al.
Mengying Li et al.
Condensable particulate matter (CPM) emitted from stationary combustion and mobile sources exhibits high emissions and a large proportion of organic components. However, CPM is not generally measured when conducting emission surveys of PM i...