搜索结果: 1-15 共查到“大气科学 Size distribution”相关记录25条 . 查询时间(0.205 秒)
Size Distribution of Airborne Particulate Matter and Associated Metallic Elements in an Urban Area of an Industrial City in Korea
Size distribution Metals Seasonal PM PCA Enrichment factor
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2016/3/28
This study analyzed the size distribution of airborne particulate matter (PM) and 13 metallic elements associated with it.
PM samples were collected using an eight-stage cascade impactor in a busy ur...
Chemical composition and aerosol size distribution of the middle mountain range in the Nepal Himalayas during the 2009 pre-monsoon season
Chemical composition aerosol size the middle mountain range the Nepal Himalayas the 2009 pre-monsoon season
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2010/12/28
Aerosol particle number size distribution and chemical composition were measured at two low altitude sites, one urban and one relatively pristine valley, in Central Nepal during the 2009 pre-monsoon s...
On microphysical processes of noctilucent clouds (NLC): observations and modeling of mean and width of the particle size-distribution
noctilucent clouds the particle size-distribution
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2010/8/16
Noctilucent clouds (NLC) in the polar summer mesopause region have been observed in Norway (69° N, 16° E) between 1998 and 2009 by 3-color lidar technique. Assuming a mono-modal Gaussian size distribu...
The role of the particle size distribution in assessing aerosol composition effects on simulated droplet activation
the particle size distribution aerosol composition effects simulated droplet activation
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2010/8/13
Variations in the chemical composition of atmospheric aerosols alter their hygroscopicity and can lead to changes in the cloud-active fraction of the aerosols, or cloud condensation nuclei (CCN) numbe...
Vertically-resolved particle size distribution within and above the mixing layer over the Milan metropolitan area
Vertically-resolved particle size distribution the mixing layer
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2010/8/12
Vertical aerosol profiles were directly measured over the city of Milan during three years (2005–2008) of field campaigns. An optical particle counter, a portable meteorological station and a miniatur...
Simulation of particle size distribution with a global aerosol model: contribution of nucleation to aerosol and CCN number concentrations
particle size distribution global aerosol model aerosol CCN number concentrations
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2009/11/9
An advanced particle microphysics model with a number of computationally efficient schemes has been incorporated into a global chemistry transport model (GEOS-Chem) to simulate particle number size di...
Study of columnar aerosol size distribution in Hong Kong
columnar aerosol size distribution Hong Kong
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2009/9/2
This paper presents studies on columnar aerosol optical properties in Hong Kong with focus on aerosol volume size distribution, which helps understand local aerosol properties, variation, hygroscopic ...
Long term particle size distribution measurements at Mount Waliguan, a high-altitude site in inland China
Mount Waliguan high-altitude site inland China
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2009/8/7
Particle number size distributions in size range 12–570 nm were measured continuously at Mount Waliguan, a remote mountain-top station in inland China. The station is located at the altitude of 3816 m...
The time evolution of aerosol size distribution over the Mexico City plateau
aerosol size distribution Mexico City plateau
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2009/7/15
As part of the MILAGRO field campaign, the DOE G-1 aircraft was used to make measurements over and downwind of Mexico City with the objective of determining growth characteristics of aerosols from a m...
Spatio-temporal variability and principal components of the particle number size distribution in an urban atmosphere
Spatio-temporal variability particle number size distribution urban atmosphere
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2009/5/15
A correct description of fine (diameter <1 μm) and ultrafine (<0.1 μm) aerosol particles in urban areas is of interest for particle exposure assessment but also basic atmospheric research. We examined...
Source Apportionment of Winter Submicron Prague Aerosols from Combined Particle Number Size Distribution and Gaseous Composition Data
Receptor modeling Particle size distribution Positive Matrix Factorization Prague
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2016/3/25
Combined particle number size distributions and readily available gaseous concentration data were
used to identify winter particle sources in the urban atmosphere of Prague, the capital of Czech
Rep...
Classifying previously undefined days from eleven years of aerosol-particle-size distribution data from the SMEAR II station, Hyytiälä, Finland
aerosol-particle-size distribution SMEAR II station Hyytiä lä Finland
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2009/3/12
Studies of secondary aerosol-particle formation depend on identifying days in which new particle formation occurs and, by comparing them to days with no signs of particle formation, identifying the co...
New particle formation during a- and b-pinene oxidation by O3, OH and NO3, and the influence of water vapour: particle size distribution studies
a- and b-pinene oxidation O3 OH NO3 water vapour particle size distribution
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2009/3/12
New particle formation during the oxidation of a- and b-pinene (C10H16) by ozone, OH and NO3 was studied by measuring the particle size distributions with a scanning mobility particle sizer (TSI 3936)...
One year boundary layer aerosol size distribution data from five nordic background stations
boundary layer aerosol nordic background station
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2009/3/11
Size distribution measurements performed at five different stations have been investigated during a one-year period between 01 June 2000 and 31 May 2001 with focus on diurnal, seasonal and geographica...
An investigation of processes controlling the evolution of the boundary layer aerosol size distribution properties at the Swedish background station Aspvreten
processes controlling boundary layer aerosol size distribution properties Swedish background station Aspvreten
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2009/3/10
Aerosol size distributions have been measured at the Swedish background station Aspvreten (58.8° N, 17.4° E). Different states of the aerosol were determined using a novel application of cluster analy...