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Diurnal variation of midlatitudinal NO3 column abundance over table mountain facility, California
midlatitudinal NO3 column table mountain facility California
2011/2/25
The column abundance of NO3 was measured over Table Mountain Facility, CA (34.4° N, 117.7° W) from May 2003 through September 2004, using lunar occultation near full moon with a grating spectrometer. ...
Variation of particle number size distributions and chemical compositions at the urban and downwind regional sites in the Pearl River Delta during summertime pollution episodes
particle number size distributions chemical compositions the urban and downwind regional sites the Pearl River Delta summertime pollution episodes
2010/10/11
In order to characterize the features of particulate pollution in the Pearl River Delta (PRD) in the summer, continuous measurements of particle number size distributions and chemical compositions wer...
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...
The importance of aerosol mixing state and size-resolved composition on CCN concentration and the variation of the importance with atmospheric aging of aerosols
aerosol mixing state size-resolved composition CCN concentration atmospheric aerosols
2010/8/16
Aerosol microphysics, chemical composition, and CCN concentrations were measured at the T0 urban supersite in Mexico City during Megacity Initiative: Local and Global Research Observations (MILAGRO) i...
Study of spatiotemporal variation of atmospheric mercury and its human exposure around an integrated steel plant, India
spatiotemporal variation atmospheric mercury an integrated steel plant
2010/8/13
Mercury release by coal combustion has been significantly increased in India. Mercury content in coal has been analyzed to 0.272 ppm by Central Pollution Control Board. Toxicological effects of elemen...
Study on the Seasonal Variation and Source Apportionment of PM10 in Harbin, China
Atmospheric particles Seasonal variation Enrichment factor Source apportionmen
2016/3/29
The atmospheric respirable particulate matter (PM10) from four typical districts of Harbin was collected in four seasons.
By analyzing the samples, we got the spatial distribution and seasonal variat...
Seasonal variation of aliphatic amines in marine sub-micrometer particles at the Cape Verde islands
aliphatic amines marine sub-micrometer particles Cape Verde islands
2009/12/31
Monomethylamine (MA), dimethylamine (DMA) and diethylamine (DEA) were detected at non-negligible concentrations in sub-micrometer particles at the Cap Verde Atmospheric Observatory (CVAO) located on t...
Latitudinal variation in the multiphase chemical processing of inorganic halogens and related species over the eastern North and South Atlantic Oceans
Latitudinal variation inorganic halogens eastern North and South Atlantic Oceans
2009/10/9
Volatile inorganic and size-resolved particulate Cl- and Br-species were measured in near-surface air over a broad range of conditions within four distinct regimes (European – EURO, North African – N-...
Tempo-spatial variation of emission inventories of speciated volatile organic compounds from on-road vehicles in China
Tempo-spatial variation speciated volatile organic compounds on-road vehicles China
2009/9/23
Emission inventories of sixty-seven speciated non-methane volatile organic compounds (NMVOC) from on-road vehicles in China were estimated for the period of 1980–2005, using seven NMVOC emission profi...
Seasonal variation of aerosol size distributions in the free troposphere and residual layer at the puy de Dôme station, France
Seasonal variation aerosol size distributions free troposphere residual layer puy de Dô me station
2009/3/13
Particle number concentration and size distribution are important variables needed to constrain the role of atmospheric particles in the Earth radiation budget, both directly and indirectly through CC...
Interannual variation patterns of total ozone and lower stratospheric temperature in observations and model simulations
ozone lower stratospheric temperature model simulations
2008/12/31
We report results from a multiple linear regression analysis of long-term total ozone observations (1979 to 2000, by TOMS/SBUV), of temperature reanalyses (1958 to 2000, NCEP), and of two chemistry-cl...
Seasonal variation of ozone deposition to a tropical rain forest in southwest Amazonia
ozone deposition tropical rain forest southwest Amazonia
2008/12/23
Within the project EUropean Studies on Trace gases and Atmospheric CHemistry as a contribution to Large-scale Biosphere-atmosphere experiment in Amazonia (LBA-EUSTACH), we performed tower-based eddy c...
Seasonal variation of peroxyacetylnitrate (PAN) in coastal Antarctica measured with a new instrument for the detection of sub-part per trillion mixing ratios of PAN
PAN coastal Antarctica
2008/12/18
An automated gas chromatograph with sample pre-concentration for the measurement of peroxyacetylnitrate (PAN) was constructed with a minimum detection limit below 1 pptv. This instrument was deployed ...
Annual variation of strato-mesospheric carbon monoxide measured by ground-based Fourier transform infrared spectrometry
strato-mesospheric carbon monoxide Fourier transform infrared spectrometry
2008/12/3
We present long-term time-series of strato-mesospheric CO vertical columns measured from stations located in Antarctica, mid-latitudes and the Arctic, covering the period from 1997–2005. The instrumen...
Seasonal variation of PM10 main constituents in two valleys of the French Alps. I: EC/OC fractions
Seasonal variation valley French Alps. I: EC/OC fractions
2008/12/1
Daily PM10 samples were collected at two urban sites within two valleys in the French Alps (Chamonix and St Jean de Maurienne) during a period of two and a half years. The carbonaceous species EC (ele...