搜索结果: 1-15 共查到“大气化学 characteristics”相关记录17条 . 查询时间(0.216 秒)
Exploring atmospheric boundary layer characteristics in a severe SO2 episode in the north-eastern Adriatic
atmospheric boundary layer severe SO2 episode north-eastern Adriatic
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2009/7/15
Stable atmospheric conditions are often connected with the occurrence of high pollution episodes especially in urban or industrial areas. In this work we investigate a severe SO2 episode observed on 3...
Characteristics of trace gaseous pollutants at a regional background station in Northern China
trace gaseous pollutants regional background station Northern China
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2009/3/13
Measurements of trace gaseous pollutants were taken at the Shangdianzi site, a WMO Global Atmosphere Watch (GAW) background station in Northern China. The results are presented for the period from Sep...
Characteristics and direct radiative effect of mid-latitude continental aerosols：the ARM case
Characteristics and direct radiative effect mid-latitude continental aerosols ARM case
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2009/3/11
A multi-year field measurement analysis of the characteristics and direct radiative effect of aerosols at the Southern Great Plains (SGP) central facility of the Atmospheric Radiation Measurement (ARM...
Differences across the ITCZ in the chemical characteristics of the Indian Ocean MBL aerosol during INDOEX
ITCZ chemical characteristics Indian Ocean MBL aerosol INDOEX
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2009/3/10
The water soluble inorganic part of the sub-micrometer aerosol was measured from two research vessels over the Indian Ocean during the winter monsoon season (February and March) as part of the INDOEX ...
Chemical characteristics of ice residual nuclei in anvil cirrus clouds: evidence for homogeneous and heterogeneous ice formation
ice residual nuclei anvil cirrus clouds homogeneous and heterogeneous ice formation
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2009/2/16
A counterflow virtual impactor was used to collect residual particles larger than about 0.1 μm diameter from anvil cirrus clouds generated over Florida in the southern United States. A wide variety of...
Combustion characteristics of water-insoluble elemental and organic carbon in size selected ambient aerosol particles
Combustion characteristics carbon ambient aerosol particles
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2009/2/12
Combustion of elemental carbon (EC) and organic carbon (OC) contained in ambient aerosol matter was explored using scanning electron microscopy (SEM) in combination with energy dispersive X-ray analys...
Aerosol light absorption in the North Atlantic: trends and seasonal characteristics during the period 1989 to 2003
Aerosol light absorption the North Atlantic trends and seasonal characteristics
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2009/1/8
Aerosol light attenuation on quartz fibre filters has been measured since February 1989 at the Mace Head Atmospheric Research station near Carna, Co. Galway, Ireland, using an Aethalometer. The freque...
Seasonal and diurnal characteristics of water soluble inorganic compounds in the gas and aerosol phase in the Zurich area
water soluble inorganic compounds gas and aerosol phase Zurich area
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2009/1/8
Gas and aerosol samples were taken using a wet effluent diffusion denuder/aerosol collector (WEDD/AC) coupled to ion chromatography (IC) in the city of Zurich, Switzerland from August to September 200...
Corrigendum to "Characteristics of aerosol and cloud particle size distributions in the tropical tropopause layer measured with optical particle counter and lidar'" published in Atmos. Chem. Phys., 7, 3507–3518, 2007
aerosol cloud particle size distributions tropical tropopause layer optical particle counter
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2008/12/16
Corrigendum to "Characteristics of aerosol and cloud particle size distributions in the tropical tropopause layer measured with optical particle counter and lidar'" published in Atmos. Chem. Phys., 7,...
Characteristics and error estimation of stratospheric ozone and ozone-related species over Poker Flat (65° N, 147° W), Alaska observed by a ground-based FTIR spectrometer from 2001 to 2003
error estimation stratospheric ozone Alaska FTIR spectrometer
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2008/12/15
It is important to obtain the year-to-year trend of stratospheric minor species in the context of global changes. An important example is the trend in global ozone depletion. The purpose of this paper...
An investigation into seasonal and regional aerosol characteristics in East Asia using model-predicted and remotely-sensed aerosol properties
East Asia remotely-sensed aerosol properties
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2008/11/26
In this study, the spatio-temporal and seasonal distributions of EOS/Terra Moderate Resolution Imaging Spectroradiometer (MODIS)-derived aerosol optical depth (AOD) over East Asia were analyzed in con...
Size distributions of elemental carbon in the atmosphere of a coastal urban area in South China: characteristics, evolution processes, and implications for the mixing state
elemental carbon coastal urban area South China
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2008/11/21
Elemental carbon (EC), as one of the primary light-absorbing components in the atmosphere, has a significant impact on both regional and global climate. The environmental impacts of EC are strongly de...
Source characteristics of volatile organic compounds during high ozone episodes in Hong Kong, Southern China
volatile organic ozone episodes Hong Kong
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2008/11/17
Measurements of Volatile Organic Compounds (VOC) are analyzed to characterize the sources impacting the Hong Kong area. The ratios of different VOC species, m,p-xylenes-to-ethylbenzene, C6H14-to-tolue...
Long-term solar UV radiation reconstructed by ANN modelling with emphasis on spatial characteristics of input data
solar UV radiation ANN input data
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2008/11/11
Artificial Neural Networks (ANN) are efficient tools to derive solar UV radiation from measured meteorological parameters such as global radiation, aerosol optical depths and atmospheric column ozone....
Investigation of molar volume and surfactant characteristics of water-soluble organic compounds in biomass burning aerosol
molar volume surfactant characteristics water-soluble organic compound biomass burning aerosol
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2008/10/30
In this study, we characterize the CCN activity of the water-soluble organics in biomass burning aerosol. The aerosol after collection upon filters is dissolved in water using sonication. Hydrophobic ...