搜索结果: 1-15 共查到“大气化学 Distribution”相关记录40条 . 查询时间(0.138 秒)
Measurement of the ambient organic aerosol volatility distribution: application during the Finokalia Aerosol Measurement Experiment (FAME-2008)
the ambient organic aerosol volatility distribution the Finokalia Aerosol Measurement Experiment FAME-2008
2010/12/21
Spectrometer (AMS) and a Scanning Mobility Particle Sizer (SMPS) to measure the volatility distribution of aged organic aerosol in the Eastern Mediterranean during the Finokalia Aerosol Measurement Ex...
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
2010/12/8
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...
Hygroscopicity distribution concept for measurement data analysis and modeling of aerosol particle mixing state with regard to hygroscopic growth and CCN activation
Hygroscopicity distribution concept measurement data analysis aerosol particle mixing state hygroscopic growth CCN activation
2010/8/12
This paper presents a general concept and mathematical framework of particle hygroscopicity distribution for the analysis and modeling of aerosol hygroscopic growth and cloud condensation nucleus (CCN...
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
2010/6/21
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...
Global distribution of the effective aerosol hygroscopicity parameter for CCN activation
Global distribution the effective aerosol hygroscopicity parameter CCN activation
2010/6/15
In this study we use the ECHAM/MESSy Atmospheric Chemistry (EMAC) model to simulate global fields of the effective hygroscopicity parameter κ which approximately describes the influence of chemical co...
Observed and simulated global distribution and budget of atmospheric C2-C5 alkanes
global distribution atmospheric C2-C5 alkanes
2010/5/12
The primary sources and atmospheric chemistry of C2-C5 alkanes were incorporated into the atmospheric chemistry general circulation model EMAC. Model output is compared with new observations from the ...
Airborne measurements of the spatial distribution of aerosol chemical composition across Europe and evolution of the organic fraction
Airborne measurements aerosol chemical composition Europe the organic fraction
2010/4/29
The spatial distribution of aerosol chemical composition and the evolution of the Organic Aerosol (OA) fraction is investigated based upon airborne measurements of aerosol chemical composition in the ...
Distribution of gaseous and particulate organic composition during dark α-pinene ozonolysis
gaseous and particulate organic composition dark α-pinene ozonolysis
2010/3/29
Secondary Organic Aerosol (SOA) affects atmospheric composition, air quality and radiative transfer, however major difficulties are encountered in the development of reliable models for SOA formation....
Aerosol distribution around Svalbard during intense easterly winds
Aerosol distribution Svalbard intense easterly winds
2010/2/15
This paper reports on backscatter and depolarization measurements by an airborne lidar in the Arctic during the ASTAR 2004 campaign. A unique weather situation facilitated the observation of the aeros...
Vertical distribution of aerosols in the vicinity of Mexico City during MILAGRO-2006 Campaign
vicinity Mexico City MILAGRO-2006 Campaign
2010/2/1
On 7 March 2006, a mobile, ground-based, vertical pointing, elastic lidar system made a North-South transect through the Mexico City basin. Column averaged, aerosol size distribution (ASD) measurement...
Aerosol vertical distribution and optical properties over M'Bour (16.96° W; 14.39° N), Senegal from 2006 to 2008
Aerosol vertical distribution optical properties M'Bour
2009/12/31
We present ground-based measurements of aerosol mass, optical properties and vertical extinction profiles acquired in M'Bour, Senegal (16.96° W; 14.39° N) from January 2006 to September 2008. This pla...
On the distribution of formaldehyde in the western Po-Valley, Italy, during FORMAT 2002/2003
formaldehyde western Po-Valley Italy
2009/12/31
Formaldehyde was measured in the area of Milano, Italy, during the 2002 and 2003 FORMAT campaigns at three ground field sites and from an ultralight aircraft. The horizontal distributions show a stron...
Global distribution of upper tropospheric formic acid from the ACE-FTS
Global distribution upper tropospheric formic acid ACE-FTS
2009/11/9
We present the first near global upper tropospheric distribution of formic acid (HCOOH) observed from space using solar occultation measurements from the Fourier transform spectrometer (FTS) on board ...
Properties of the average distribution of equatorial Kelvin waves investigated with the GROGRAT ray tracer
average distribution equatorial Kelvin waves GROGRAT ray tracer
2009/11/9
Kelvin waves excited by tropospheric convection are considered to be one of the main drivers of the stratospheric quasi-biennial oscillation (QBO). In this paper we combine several measured data sets ...
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
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...