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Cloud condensation nucleus (CCN) behavior of organic aerosol particles generated by atomization of water and methanol solutions
Cloud condensation nucleus organic aerosol particles atomization methanol
2008/12/11
Cloud condensation nucleus (CCN) experiments were carried out for malonic acid, succinic acid, oxalacetic acid, DL-malic acid, glutaric acid, DL-glutamic acid monohydrate, and adipic acid, using both ...
Global cloud and precipitation chemistry and wet deposition: tropospheric model simulations with ECHAM5/MESSy1
Global cloud precipitation chemistry wet deposition
2008/12/10
The representation of cloud and precipitation chemistry and subsequent wet deposition of trace constituents in global atmospheric chemistry models is associated with large uncertainties. To improve th...
A study on natural and manmade global interannual fluctuations of cirrus cloud cover for the period 1984–2004
global interannual fluctuation cirrus cloud cover
2008/12/10
The seasonal variability and the interannual variance explained by ENSO and NAO to cirrus cloud cover (CCC) are examined during the twenty-year period 1984–2004. CCC was found to be significantly cor...
Model sensitivity studies regarding the role of the retention coefficient for the scavenging and redistribution of highly soluble trace gases by deep convective cloud systems
retention coefficient soluble trace gases deep convective cloud systems
2008/12/8
The role of the retention coefficient (i.e. the fraction of a dissolved trace gas which is retained in hydrometeors during freezing) for the scavenging and redistribution of highly soluble trace gases...
A single parameter representation of hygroscopic growth and cloud condensation nucleus activity
hygroscopic growth cloud condensation nucleus
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...
Extinction coefficients retrieved in deep tropical ice clouds from lidar observations using a CALIPSO-like algorithm compared to in-situ measurements from the cloud integrating nephelometer during CRYSTAL-FACE
Extinction coefficient tropical ice clouds lidar cloud integrating nephelometer CRYSTAL-FACE
2008/12/3
This paper presents a comparison of lidar ratios and volume extinction coefficients in tropical ice clouds, retrieved using observations from two instruments: the 532-nm Cloud Physics Lidar (CPL), and...
Efficiency of cloud condensation nuclei formation from ultrafine particles
cloud condensation nuclei ultrafine particles
2008/12/3
Atmospheric cloud condensation nuclei (CCN) concentrations are a key uncertainty in the assessment of the effect of anthropogenic aerosol on clouds and climate. The ability of new ultrafine particles ...
First Odin sub-mm retrievals in the tropical upper troposphere: ice cloud properties
Odin sub-mm tropical upper troposphere ice cloud properties
2008/11/28
More accurate global measurements of the amount of ice in thicker clouds are needed to validate atmospheric models and sub-mm radiometry can be an important component in this respect. A cloud ice retr...
Evaluation of a new convective cloud field model: precipitation over the maritime continent
convective cloud field model maritime continent
2008/11/28
A convective cloud field model (CCFM) is substituted for a standard mass flux parameterisation of convective clouds in a limited area atmospheric model (REMO) and is tested for a whole annual cycle (J...
Corrigendum to "Impact of cloud-borne aerosol representation on aerosol direct and indirect effects" published in Atmos. Chem. Phys., 6, 4163–4174, 2006
cloud-borne aerosol representation aerosol
2008/11/28
Corrigendum to "Impact of cloud-borne aerosol representation on aerosol direct and indirect effects" published in Atmos. Chem. Phys., 6, 4163–4174, 2006.
FRESCO+: an improved O2 A-band cloud retrieval algorithm for tropospheric trace gas retrievals
O2 A-band cloud tropospheric trace gas
2008/11/25
The FRESCO (Fast Retrieval Scheme for Clouds from the Oxygen A-band) algorithm has been used to retrieve cloud information from measurements of the O2 A-band around 760 nm by GOME, SCIAMACHY and GOME-...
The effect of organic compounds on the growth rate of cloud droplets in marine and forest settings
organic compounds cloud droplets marine forest
2008/11/21
Organic matter represents an important fraction of the fine particle aerosol, yet our knowledge of the roles of organics in the activation of aerosol particles into cloud droplets is poor.
Remote sensing of cloud sides of deep convection: towards a three-dimensional retrieval of cloud particle size profiles
Remote sensing deep convection cloud particle
2008/11/17
The cloud scanner sensor is a central part of a recently proposed satellite remote sensing concept – the three-dimensional (3-D) cloud and aerosol interaction mission (CLAIM-3D) combining measurement...
Ternary solution of sodium chloride, succinic acid and water; surface tension and its influence on cloud droplet activation
sodium chloride succinic acid cloud droplet activation
2008/11/14
Surface tension of ternary solution of sodium chloride, succinic acid and water was measured as a function of both composition and temperature by using the capillary rise technique. Both sodium chlori...