[PDF] Top 20 Sensitivity of aerosol concentrations and cloud properties to nucleation and secondary organic distribution in ECHAM5-HAM global circulation model
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Sensitivity of aerosol concentrations and cloud properties to nucleation and secondary organic distribution in ECHAM5-HAM global circulation model
... good in northern hemispheric remote areas, but for many important BSOA source regions organics are condensing mostly on larger ...particles. In equatorial areas in both Africa and South ... See full document
44
Global distribution and climate forcing of marine organic aerosol: 1. Model improvements and evaluation
... comprehensive cloud droplet activation mechanisms devel- oped to date (Fountoukis and Nenes, ...2005). In addition to treating the competition among all modes, the FN pa- rameterization ... See full document
17
Adjoint sensitivity of global cloud droplet number to aerosol and dynamical parameters
... used in-situ data from the ICARTT field study to determine the main parameters required for achiev- ing CCN closure; they found that knowledge of the aerosol size distribution along ... See full document
15
A secondary organic aerosol formation model considering successive oxidation aging and kinetic condensation of organic compounds: global scale implications
... used in Yu and Luo (2009) has been updated to v8-02-03 for the present ...resolution of 4 ◦ × 5 ◦ and 47 vertical layers up to ...the model at a horizontal resolution ... See full document
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Aerosol size distribution and radiative forcing response to anthropogenically driven historical changes in biogenic secondary organic aerosol formation
... off to represent pre-industrial conditions and emissions of isoprene, monoterpenes, and sesquiterpenes changed from year 1000 values (“pre- industrial”) to year 2000 values (“present ... See full document
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In-cloud processes of methacrolein under simulated conditions – Part 3: Hygroscopic and volatility properties of the formed secondary organic aerosol
... humidity, and A, B, and C are pos- itive empirical ...resentative of the inorganic fraction (Swietlicki et ...0, and the second func- tional term (B=0.486; C=4.69), frequently used to ... See full document
12
Aerosol size distribution and radiative forcing response to anthropogenically driven historical changes in biogenic secondary organic aerosol formation
... ber concentrations and radiative forcing. The large decrease in CCN due to land-use changes over the past millennium appears to be a largely overlooked and important an- ... See full document
52
Chemical composition and sources of coastal marine aerosol particles during the 2008 VOCALS-REx campaign
... east to west on 28 October 2008 were highly uniform evidenced by a near constant droplet mode size at ...µm and a progressively smaller Aitken mode size from ∼ 0.06 to ∼ ...processed and ... See full document
16
Analysis of the hygroscopic and volatile properties of ammonium sulphate seeded and un-seeded SOA particles
... Change in the hygroscopic growth factor (full circles, left y-axis) and volume fraction remaining (VFR) (squares, right y-axis) as a function of the thermodenuder ...h of measurement time had ... See full document
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The effect of harmonized emissions on aerosol properties in global models – an AeroCom experiment
... mass in both experiments, see also Tables ...most of the models, changes are smaller than 5% (see ...fraction), and the diversity among models is similar in both ...species and the ... See full document
13
Assessing regional scale predictions of aerosols, marine stratocumulus, and their interactions during VOCALS-REx using WRF-Chem
... zonal and diurnal variations of predicted MBL depths are compared to those from the RB and BAe-146 observa- tions, as shown in ...2 and Table ...included in the diurnal ... See full document
25
An Analysis Of The Difference In Gender Level Of Cassava Production And Access To Land In Abia State Nigeria
... employed in sample selection. In the first stage, the three agricultural zones in the state were purposively ...Umuahia and Ohafia. In the second stage three local governments actively ... See full document
5
Estimating the influence of the secondary organic aerosols on present climate using ECHAM5-HAM
... M., and van Dor- land, R.: Changes in atmosperic constituents and radiative forcing, in: Climate Change 2007: The Physical Science ...Contribution of Working Group I to the ... See full document
66
Effects of long-range aerosol transport on the microphysical properties of low-level liquid clouds in the Arctic
... goal of this study is to use satellite, tracer transport model, and meteorological data sets to determine the effects of pollution on cloud microphysics due only to ... See full document
44
Reactive processing of formaldehyde and acetaldehyde in aqueous aerosol mimics: surface tension depression and secondary organic products
... Formaldehyde and acetaldehyde, two abundant, highly volatile aldehydes, can be directly emitted from combus- tion and industrial sources or generated in situ via the oxi- dation of other VOCs ... See full document
13
The effect of photochemical ageing and initial precursor concentration on the composition and hygroscopic properties of β-caryophyllene secondary organic aerosol
... µlpm, to obtain a molar mass distribu- ...comparison to be made be- tween SOA of different degrees of ...m/z distribution of the lower and higher initial concentration ... See full document
20
Climate-relevant physical properties of molecular constituents relevant for isoprene-derived secondary organic aerosol material
... R., and Wildt, J.: The formation, properties and impact of sec- ondary organic aerosol: current and emerging issues, ... See full document
27
Inverse modeling of cloud-aerosol interactions – Part 2: Sensitivity tests on liquid phase clouds using a Markov Chain Monte Carlo based simulation approach
... proposal distribution such that the sampler more rapidly evolves towards the appropri- ate limiting distribution (Vrugt et ...minima in the posterior parameter space when using single chain MCMC ... See full document
55
On the diurnal cycle of urban aerosols, black carbon and the occurrence of new particle formation events in springtime São Paulo, Brazil
... Jimenez, J. L., Canagaratna, M. R., Donahue, N. M., Prevot, A. S. H., Zhang, Q., Kroll, J. H., DeCarlo, P. F., Allan, J. D., Coe, H., Ng, N. L., Aiken, A. C., Docherty, K. S., Ulbrich, I. M., Grieshop, A. P., Robinson, ... See full document
19
Volatility of secondary organic aerosol during OH radical induced ageing
... Schlosser, E., Brauers, T., Dorn, H.-P., Fuchs, H., H ¨aseler, R., Hofzumahaus, A., Holland, F., Wahner, A., Kanaya, Y., Kajii, Y., Miyamoto, K., Nishida, S., Watanabe, K., Yoshino, A., Ku- bistin, D., Martinez, M., ... See full document
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