搜索结果: 1-15 共查到“大气物理学 Particle formation”相关记录24条 . 查询时间(0.093 秒)
On the roles of sulphuric acid and low-volatility organic vapours in the initial steps of atmospheric new particle formation
sulphuric acid low-volatility organic vapours atmospheric particle formation
2010/12/20
Sulphuric acid and organic vapours have been identified as the key components in the ubiquitous secondary new particle formation in the atmosphere. In order to assess their relative contribution and s...
Ultrafine particle formation in the inland sea breeze airflow in Southwest Europe
Ultrafine particle formation the inland sea breeze airflow Southwest Europe
2010/10/21
Studies on ultrafine particles (diameter < 100nm) and air quality have mostly focused on vehicle exhaust emissions and on new particle formation in "clean" ambient air. Here we present a study focused...
EUCAARI ion spectrometer measurements at 12 European sites – analysis of new particle formation events
EUCAARI ion spectrometer measurements 12 European sites new particle formation events
2010/9/1
We present comprehensive results on continuous atmospheric cluster and particle measurements in the size range ~1–42 nm within the European Integrated project on Aerosol Cloud Climate and Air Quality ...
New particle formation events measured on board the ATR-42 aircraft during the EUCAARI campaign
New particle formation events the ATR-42 aircraft the EUCAARI campaign
2010/8/16
Aerosol properties were studied during an intensive airborne measurement campaign that took place at Rotterdam in Netherlands in May 2008 within the framework of the European Aerosol Cloud Climate and...
Observations of turbulence-induced new particle formation in the residual layer
turbulence new particle formation the residual layer
2010/8/12
Aerosol particle measurements in the atmospheric boundary layer performed by a helicopter-borne measurement payload and by a lidar system from a case study during the IMPACT field campaign in Cabauw (...
Parametric studies of contrail ice particle formation in jet regime using microphysical parcel modeling
contrail ice particle formation jet regime microphysical parcel modeling
2010/8/12
Condensation trails (contrails) formed from water vapor emissions behind aircraft engines are the most uncertain components of the aviation impacts on climate change. To gain improved knowledge of con...
Iodine-mediated coastal particle formation: an overview of the Reactive Halogens in the Marine Boundary Layer (RHaMBLe) Roscoff coastal study
Iodine-mediated coastal particle formation the Reactive Halogens the Marine Boundary Layer (RHaMBLe) Roscoff coastal study
2010/8/12
This paper presents a summary of the measurements made during the heavily-instrumented Reactive Halogens in the Marine Boundary Layer (RHaMBLe) coastal study in Roscoff on the North West coast of Fran...
Particle formation in the Arctic free troposphere during the ASTAR 2004 campaign: a case study on the influence of vertical motion on the binary homogeneous nucleation of H2SO4/H2O
Arctic free troposphere ASTAR 2004 campaign binary homogeneous nucleation of H2SO4/H2O
2010/2/21
During the ASTAR (Arctic Study of Tropospheric Aerosol and Radiation) campaign nucleation mode particles (4 to 13 nm) were quite frequently observed at altitudes below 4000 m. However, in the upper fr...
Cold oceans enhance terrestrial new-particle formation in near-coastal forests
Cold oceans terrestrial new-particle formation near-coastal forests
2009/11/19
The world's forests produce atmospheric aerosol by emitting volatile organic compounds (VOC) which, after being oxidized in the atmosphere, readily condense on the omnipresent nanometer-sized nuclei a...
New particle formation from the oxidation of direct emissions of pine seedlings
New particle formation oxidation direct emissions pine seedlings
2009/11/9
Measurements of particle formation following the gas phase oxidation of volatile organic compounds (VOCs) emitted by Scots pine (Pinus sylvestris L.) seedlings are reported. Particle formation and con...
New particle formation and growth at a remote, sub-tropical coastal location
New particle formation growth sub-tropical coastal location
2009/10/13
A month-long intensive measurement campaign was conducted in March/April 2007 at Agnes Water, a remote coastal site just south of the Great Barrier Reef on the east coast of Australia. Particle and io...
Charged and total particle formation and growth rates during EUCAARI 2007 campaign in Hyytiälä
growth rates EUCAARI 2007 campaign Hyytiä lä
2009/6/23
Despite the fact that frequent aerosol formation has been observed in various locations in the atmosphere, the overall magnitude of the new particle formation as a particle source is still unclear. In...
Aerosol dynamics simulations on the connection of sulphuric acid and new particle formation
Aerosol dynamics simulations sulphuric acid new particle formation
2009/5/7
We have performed a series of simulations with an aerosol dynamics box model to study the connection between new particle formation and sulphuric acid concentration. For nucleation either activation m...
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
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)...
Particle formation at a continental background site: comparison of model results with observations
Particle formation continental background site model results
2009/3/10
At Hohenpeissenberg (47° 48' N, 11° 07' E, 988 m asl), a rural site 200--300~m higher than the surrounding terrain, sulphuric acid concentrations, particle size distributions, and other trace gas conc...