搜索结果: 136-150 共查到“大气化学 Aerosol”相关记录311条 . 查询时间(0.278 秒)
Sensitivity of aerosol and cloud effects on radiation to cloud types: comparison between deep convective clouds and warm stratiform clouds over one-day period
aerosol cloud types deep convective clouds warm stratiform clouds
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2009/5/7
Cloud and aerosol effects on radiation in two contrasting cloud types, a deep mesoscale convective system (MCS) and warm stratocumulus clouds, are simulated and compared. At the top of the atmosphere,...
Development of a global model of mineral dust aerosol microphysics
global model mineral dust aerosol microphysics
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2009/5/7
A mineral dust module is developed and implemented into the global aerosol microphysics model, GISS-TOMAS. The model is evaluated against long-term measurements of dust surface mass concentrations and...
Light-absorbing secondary organic material formed by glyoxal in aqueous aerosol mimics
Light-absorbing secondary organic material glyoxal aqueous aerosol mimics
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2009/5/7
Light-absorbing and high-molecular-weight secondary organic products were observed to result from the reaction of glyoxal in mildly acidic (pH=4) aqueous inorganic salt solutions mimicking aqueous tro...
Sensitivities of the absorptive partitioning model of secondary organic aerosol formation to the inclusion of water
absorptive partitioning model secondary organic aerosol formation water
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2009/5/7
The predicted distribution of semi-volatile organic components between the gaseous and condensed phase as a function of ambient relative humidity and the specific form of the partitioning model used h...
Introduction: European Integrated Project on Aerosol Cloud Climate and Air Quality nteractions (EUCAARI) – integrating aerosol research from nano to global scales
EUCAARI integrating aerosol research nano global scales
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2009/5/6
The European Aerosol Cloud Climate and Air Quality Interactions project EUCAARI is an EU Research Framework 6 integrated project focusing on understanding the interactions of climate and air pollution...
Laboratory investigation of photochemical oxidation of organic aerosol from wood fires 2: analysis of aerosol mass spectrometer data
Laboratory investigation photochemical oxidation organic aerosol aerosol mass spectrometer
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2009/3/31
Experiments were conducted to investigate the effects of photo-oxidation on organic aerosol (OA) in dilute wood smoke by exposing emissions from soft- and hard-wood fires to UV light in a smog chamber...
Thermodynamic characterization of Mexico City aerosol during MILAGRO 2006
Thermodynamic characterization Mexico City aerosol MILAGRO 2006
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2009/3/31
Fast measurements of aerosol and gas-phase constituents coupled with the ISORROPIA-II thermodynamic equilibrium model are used to study the partitioning of semivolatile inorganic species and phase sta...
Secondary organic aerosol formation from primary aliphatic amines with NO3 radical
Secondary organic aerosol formation primary aliphatic amines NO3 radical
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2009/3/31
Primary aliphatic amines are an important class of nitrogen containing compounds emitted from automobiles, waste treatment facilities and agricultural animal operations. A series of experiments conduc...
Characterisation of episodic aerosol types over the Australian continent
episodic aerosol types Australian continent
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2009/3/31
Classification of Australian continental aerosol types resulting from episodes of enhanced source activity, such as smoke plumes and dust outbreaks, is carried out via cluster analysis of optical prop...
Secondary Organic Aerosol Formation from Acetylene（C2H2）: seed effect on SOA yields due to organic photochemistry in the aerosol aqueous phase
Secondary Organic Aerosol Formation Acetylen SOA yields organic photochemistry
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2009/3/31
The lightest Non Methane HydroCarbon (NMHC), i.e., acetylene (C2H2) is found to form secondary organic aerosol (SOA). Contrary to current belief, the number of carbon atoms, n, for a NMHC to act as SO...
Sensitivity of aerosol concentrations and cloud properties to nucleation and secondary organic distribution in ECHAM5-HAM global circulation model
aerosol concentrations cloud properties secondary organic distribution ECHAM5-HAM global circulation model
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2009/3/13
The global aerosol-climate model ECHAM5-HAM was modified to improve the representation of new particle formation in the boundary layer. Activation-type nucleation mechanism was introduced to produce o...
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
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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...
Organic nitrate and secondary organic aerosol yield from NO3 oxidation of β-pinene evaluated using a gas-phase kinetics/aerosol partitioning model
Organic nitrate secondary organic aerosol gas-phase kinetics/aerosol partitioning model
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2009/3/13
The yields of organic nitrates and of secondary organic aerosol (SOA) particle formation were measured for the reaction NO3+β-pinene under dry and humid conditions in the atmosphere simulation chamber...
Modelled radiative forcing of the direct aerosol effect with multi-observation evaluation
Modelled radiative forcing direct aerosol effect multi-observation evaluation
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2009/3/13
A high-resolution global aerosol model (Oslo CTM2) driven by meteorological data and allowing a comparison with a variety of aerosol observations is used to simulate radiative forcing (RF) of the dire...
Uncertainty in global CCN concentrations from uncertain aerosol nucleation and primary emission rates
global CCN concentrations uncertain aerosol nucleation emission rates
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2009/3/13
The indirect effect of aerosols on climate is highly uncertain and limits our ability to assess anthropogenic climate change. The foundation of this uncertainty is uncertainty in the number of cloud c...