搜索结果: 1-12 共查到“大气化学 hygroscopic growth”相关记录12条 . 查询时间(0.079 秒)
Reconciliation of measurements of hygroscopic growth and critical supersaturation of aerosol particles in central Germany
hygroscopic growth critical supersaturation aerosol particles central Germany
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2010/12/28
Aerosol physical, chemical and hygroscopic properties were measured in a range of airmasses during COPS (Convective and Orographically-induced Precipitation Study) ground-based in June and July of 200...
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
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2010/8/16
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...
Towards closing the gap between hygroscopic growth and CCN activation for secondary organic aerosols – Part 3: Influence of the chemical composition on the hygroscopic properties and volatile fractions of aerosols
hygroscopic growth CCN activation secondary organic aerosols the chemical composition the hygroscopic properties aerosols
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2010/8/12
The influence of varying levels of water mixing ratio, r, during the formation of secondary organic aerosol (SOA) from the ozonolysis of α-pinene on the SOA hygroscopicity and volatility was investiga...
Observational study of influence of aerosol hygroscopic growth on scattering coefficient over rural area near Beijing mega-city
aerosol hygroscopic growth scattering coefficient Beijing mega-city
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2009/10/13
We investigated aerosol hygroscopic growth property and its influence on scattering coefficient using M9003 nephelometers in coupling with humidity controlled inlet system at a rural site near Beijing...
Towards closing the gap between hygroscopic growth and activation for secondary organic aerosol – Part 2: Theoretical approaches
hygroscopic growth secondary organic aerosol Theoretical approaches
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2009/6/22
We examine the hygroscopic properties of secondary organic aerosol particles generated through the reaction of α-pinene and ozone using a continuous flow reaction chamber. The water activity versus co...
Towards closing the gap between hygroscopic growth and activation for secondary organic aerosol: Part 1 – Evidence from measurements
hygroscopic growth secondary organic aerosol
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2009/6/22
Secondary Organic Aerosols (SOA) studied in previous laboratory experiments generally showed only slight hygroscopic growth, but a much better activity as a CCN (Cloud Condensation Nucleus) than indic...
Hygroscopic growth and critical supersaturations for mixed aerosol particles of inorganic and organic compounds of atmospheric relevance
Hygroscopic growth critical supersaturations mixed aerosol particles inorganic and organic compounds atmospheric relevance
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2009/1/8
The organic fraction of atmospheric aerosols contains a multitude of compounds and usually only a small fraction can be identified and quantified. However, a limited number of representative organic c...
Phase transitions and hygroscopic growth of aerosol particles containing humic acid and mixtures of humic acid and ammonium sulphate
Phase transitions hygroscopic growth of aerosol particles humic acid ammonium sulphate
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2009/1/4
The phase transitions and hygroscopic growth of two humic acid aerosols (Aldrich sodium salt and Leonardite Standard (IHSS)) and their mixtures with ammonium sulphate have been investigated using a co...
Closure study between chemical composition and hygroscopic growth of aerosol particles during TORCH2
chemical composition hygroscopic growth aerosol particles TORCH2
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2008/12/29
Measurements of aerosol properties were made in aged polluted and clean background air masses encountered at the North Norfolk (UK) coastline as part of the TORCH2 field campaign in May 2004. Hygrosc...
Reformulating atmospheric aerosol thermodynamics and hygroscopic growth into fog, haze and clouds
atmospheric aerosol thermodynamics hygroscopic growth fog clouds
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2008/12/12
Modeling atmospheric aerosol and cloud microphysics is rather complex, even if chemical and thermodynamical equilibrium is assumed. We show, however, that the thermodynamics can be considerably simpli...
A single parameter representation of hygroscopic growth and cloud condensation nucleus activity
hygroscopic growth cloud condensation nucleus
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2008/12/8
We present a method to describe the relationship between particle dry diameter and cloud condensation nuclei (CCN) activity using a single hygroscopicity parameter κ. Values of the hygroscopicity para...
Optical particle counter measurement of marine aerosol hygroscopic growth
optical particle counter marine aerosol hygroscopic
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2008/11/4
A technique is developed for the determination of the hygroscopic growth factor of dry particles with diameter between 0.3 and 0.6 μm and is applied to measurements made during the second Dynamics and...