Recent changes in winter PM2.5 contributions from wood smoke, motor vehicles, and other sources in the Northwest U.S [0.03%]
美国西北部冬季PM2.5贡献的 recent changes 来自木烟、机动车和其他来源
Robert A Kotchenruther
Robert A Kotchenruther
In the Northwest U.S. elevated measurements of PM2.5 from anthropogenic sources occur most often in winter. Major contributors to winter PM2.5 are direct primary emissions of wood smoke from residential wood combustion, primary emissions fr...
High rise in carbonaceous aerosols under very low anthropogenic emissions over eastern Himalaya, India: Impact of lockdown for COVID-19 outbreak [0.03%]
印度喜马拉雅山东部在人为排放量非常低的情况下碳气溶胶高浓度上升：COVID-19疫情封锁的影响
Abhijit Chatterjee,Sauryadeep Mukherjee,Monami Dutta et al.
Abhijit Chatterjee et al.
The present study has been conducted to investigate the relative changes of carbonaceous aerosols (CA) over a high altitude Himalayan atmosphere with and without (very low) anthropogenic emissions. Measurements of atmospheric organic (OC) a...
Mixture Analyses of Air-sampled Pollen Extracts Can Accurately Differentiate Pollen Taxa [0.03%]
空气采样花粉提取物的混合分析可以准确区分花粉种类
Leszek J Klimczak,Cordula Ebner von Eschenbach,Peter M Thompson et al.
Leszek J Klimczak et al.
The daily pollen forecast provides crucial information for allergic patients to avoid exposure to specific pollen. Pollen counts are typically measured with air samplers and analyzed with microscopy by trained experts. In contrast, this stu...
Statistical field calibration of a low-cost PM2.5 monitoring network in Baltimore [0.03%]
巴尔的摩低成本PM2.5监测网络的统计场校准
Abhirup Datta,Arkajyoti Saha,Misti Levy Zamora et al.
Abhirup Datta et al.
Low-cost air pollution monitors are increasingly being deployed to enrich knowledge about ambient air-pollution at high spatial and temporal resolutions. However, unlike regulatory-grade (FEM or FRM) instruments, universal quality standards...
The contribution of global aviation to anthropogenic climate forcing for 2000 to 2018 [0.03%]
2000年至2018年全球航空对人为气候强迫的影响
D S Lee,D W Fahey,A Skowron et al.
D S Lee et al.
Global aviation operations contribute to anthropogenic climate change via a complex set of processes that lead to a net surface warming. Of importance are aviation emissions of carbon dioxide (CO2), nitrogen oxides (NOx), water vapor, soot ...
A comparison of statistical and machine learning methods for creating national daily maps of ambient PM2.5 concentration [0.03%]
统计方法和机器学习方法在创建全国日常空气中PM2.5浓度地图中的比较研究
Veronica J Berrocal,Yawen Guan,Amanda Muyskens et al.
Veronica J Berrocal et al.
A typical challenge in air pollution epidemiology is to perform detailed exposure assessment for individuals for which health data are available. To address this problem, in the last few years, substantial research efforts have been placed ...
Removal of fine and ultrafine particles from indoor air environments by the unipolar ion emission [0.03%]
单极离子释放去除室内空气中微细颗粒物
Byung Uk Lee,Mikhail Yermakov,Sergey A Grinshpun
Byung Uk Lee
The continuous emission of unipolar ions was evaluated in order to determine its ability to remove fine and ultrafine particles from indoor air environments. The evolution of the indoor aerosol concentration and particle size distribution w...
Observations of new particle formation, modal growth rates, and direct emissions of sub-10 nm particles in an urban environment [0.03%]
城市环境中新粒子的形成、模态增长速率和亚10纳米粒子的直接排放的观测
Alyssa Zimmerman,Markus D Petters,Nicholas Meskhidze
Alyssa Zimmerman
Ultrafine particles with diameters less than 100 nm suspended in the air are a topic of interest in air quality and climate sciences. Sub-10 nm particles are of additional interest due to their health effects and contribution to particle gr...
The Effect of Corona Virus Lockdown on Air Pollution: Evidence from the City of Brescia in Lombardia Region (Italy) [0.03%]
冠状病毒封锁对空气污染的影响：来自意大利伦巴第大区布雷西亚市的证据
Michela Cameletti
Michela Cameletti
After the outbreak of Corona virus pandemic in Italy, the government has taken extraordinary measures, including a national lockdown, to prevent the spread of the infection. This extraordinary situation has led to a reduction in air polluti...
Simulation of airborne trace metals in fine particulate matter over North America [0.03%]
北美洲细颗粒物中可吸入微量元素的模拟研究
Jun-Wei Xu,Randall V Martin,Barron H Henderson et al.
Jun-Wei Xu et al.
Trace metal distributions are of relevance to understand sources of fine particulate matter (PM2.5), PM2.5-related health effects, and atmospheric chemistry. However, knowledge of trace metal distributions is lacking due to limited ground-b...