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Researchers set to take to the air above the Arctic and New York City（图）
air above Arctic New York City
2020/10/10
Atmospheric scientists are embarking on two new research projects supported by the U.S. National Science Foundation that involve using sophisticated planes to understand the atmospheric chemistry and ...
Unexpected wildfire emissions impact air quality worldwide（图）
Unexpected wildfire emissionst air quality worldwide
2020/10/30
In lab studies of wildfire, nitrous acid seems to be a minor actor, often underrepresented in atmospheric models. But in the real-world atmosphere during wildfires, the chemical plays a leading role.I...
Twelve-month, 12 km resolution North American WRF-Chem v3.4 air quality simulation: performance evaluation
Horizontal resolution the simulation of the air pollution in the chemical chemical transfer mode the mechanism of atmospheric chemistry modal aerosol dynamics model
2015/5/18
We present results from and evaluate the performance of a 12-month, 12 km horizontal resolution year 2005 air pollution simulation for the contiguous United States using the WRF-Chem (Weather Research...
Evaluation of dust and trace metal estimates from the Community Multiscale Air Quality (CMAQ) model version 5.0
Evaluation of dust trace metal estimates
2014/12/12
The Community Multiscale Air Quality (CMAQ)
model is a state-of-the-science air quality model that simulates the emission, transformation, transport, and fate of the
many different air pollutant spe...
Characterization of Indoor-Air Bioaerosols in Southern Taiwan
Indoor air quality Bioaerosol Bacteria Fungi
2016/3/25
This study investigated indoor air quality (IAQ) at 39 public sites in southern Taiwan including hospitals, schools, office
buildings, hypermarkets, libraries, railway stations, theaters, etc. Indoor...
Particles Removal by Negative ionic Air Purifier in Cleanroom
Particle Negative air ion Air mixing Removal efficiency Air cleaning factor
2016/3/28
This study investigated effectiveness of negative ionic air purifier in lowering the concentration of particles in a closed
test chamber. The performance test was carried out in a closed test chamber...
Measurements of Gaseous NH3 and Particulate NH4 + in the Atmosphere by Fluorescent Detection after Continuous Air–water Droplet Sampling
Ammonia Gas-particle partitioning Microflow analysis Short-term variation
2016/3/28
Phase partitioning of NHx (gaseous NH3 and particulate NH4
+) in the atmosphere is crucial for the lifetime of NHx
during atmospheric transport. Reliable data for gaseous NH3 and NH4
+ in aerosols ...
Spatial variability of POPs in European background air
Spatial variability POPs European background air
2011/2/25
Passive air samplers (PAS) were deployed at 86 European background sites during summer 2006 in order (i) to gain further insight into spatial patterns of persistent organic pollutants (POPs) in Europe...
Modeling natural emissions in the Community Multiscale Air Quality (CMAQ) model – Part 2: Modifications for simulating natural emissions
natural emissions the Community Multiscale Air Quality (CMAQ) model
2011/1/19
The Community Multiscale Air Quality (CMAQ) model version 4.6 has been revised with regard to the representation of chlorine (HCl, ClNO2) and sulfur (dimethylsulfide, or DMS, and H2S), and evaluated a...
Bromide and other ions in the snow, firn air, and atmospheric boundary layer at Summit during GSHOX
Bromide and other ions atmospheric boundary layer Summit GSHOX
2010/10/21
Measurements of gas phase soluble bromide in the boundary layer and in firn air, and Br− in aerosol and snow, were made at Summit, Greenland (72.5° N, 38.4° W, 3200 m a.s.l.) as part of a larger...
Evaluation of a regional air quality forecast model for tropospheric NO2 columns using the OMI/Aura satellite tropospheric NO2 product
a regional air quality forecast model tropospheric NO2 columns the OMI/Aura satellite tropospheric NO2 product
2010/9/21
Results from a regional air quality forecast model, AIRPACT-3, are compared to OMI tropospheric NO2 integrated column densities for an 18 month period over the Pacific Northwest. AIRPACT column densit...
Aerosol properties associated with air masses arriving into the North East Atlantic during the 2008 Mace Head EUCAARI intensive observing period: an overview
air masses the North East Atlantic the 2008 Mace Head EUCAARI intensive observing period
2010/9/21
As part of the EUCAARI Intensive Observing Period, a 4-week campaign to measure aerosol physical, chemical and optical properties, atmospheric structure, and cloud microphysics was conducted from mid-...
Short-term variation in near-highway air pollutant gradients on a winter morning
Short-term variation near-highway air pollutant a winter morning
2010/9/21
Quantification of exposure to traffic-related air pollutants near highways is hampered by incomplete knowledge of the scales of temporal variation of pollutant gradients. The goal of this study was to...
Seasonal cycle and temperature dependence of pinene oxidation products, dicarboxylic acids and nitrophenols in fine and coarse air particulate matter
Seasonal cycle temperature dependence pinene oxidation products fine and coarse air particulate matter
2010/9/1
Filter samples of fine and coarse air particulate matter (PM) collected over a period of one year in central Europe (Mainz, Germany) were analyzed for water-soluble organic compounds (WSOCs), includin...
Air quality during the 2008 Beijing Olympics: secondary pollutants and regional impact
Air quality the 2008 Beijing Olympics secondary pollutants regional impact
2010/8/25
This paper presents the first results of the measurements of trace gases and aerosols at three surface sites in and outside Beijing before and during the 2008 Olympics. The official air pollution inde...