[PDF] Top 20 CCN activation and cloud processing in sectional aerosol models with low size resolution

... simplified low resolution model agreed fairly well with the reference model under marine and rural condi- ...tions. In the polluted urban case, the simplified model, which cannot ... See full document

... decreases with 15 drops/cm 3 or 20%, because less particles from the Aitken and accumulation modes are ...The activation of coarse mode aerosol occurs at relatively small supersaturation ... See full document

... parameterization and the parcel model for individual Whitby (1978) ...apparent, with an average error of less than 10% (Table ...marine aerosol size distribu- tion, where a systematic ... See full document

... time in the atmosphere, aerosol par- ticles undergo various modifications which may affect their ability to serve as CCN and ...Thereby, aerosol processing within clouds plays a ... See full document

... equally in logarithm of radius and in all cases covered at least two decades of the 1 nm–10 µm size ...the models. The discrepancies between the results obtained with the same ... See full document

... nm in the hazy period and at ∼ 325 nm in the non-episode ...Sulfate and organics accounted for large mass fractions (78 % in total) during the whole cam- paign as shown in Table ... See full document

... area) and with (hatched surface area) an (unrealistically large) influence of surface active material assuming the surface active molecules do not reduce the Raoult effect, and our new formulation ... See full document

... particle size distri- butions from 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 ... See full document

... (2005) and Lohmann and Hoose (2009) eval- uated the influence of ammonium sulfate aerosols in the ECHAM climate ...Lohmann and Hoose (2009) have produced several improvements in ice ... See full document

... km aerosol retrieval grid cells, and the location of the P-3/AATS flight track during the ...scene, and it is apparent that the projected P-3 track intersected the plume at the exact time of the ... See full document

... two models. However, the global aerosol modelling (AeroCom) exercise (Textor et ...that in fact the opposite is the case, since Oslo- CTM2 has slightly a larger fraction of coarse mode particles ... See full document

... Conant, W. C., Dulac, F., Heintzenberg, J., Heymsfield, A. J., Holben, B., Howell, S., Hudson, J., Jayaraman, A., Kiehl, J. T., Krishnamurti, T. N., Lubin, D., McFarquhar, G., Novakov, T., Ogren, J. A., Podgorny, I. A., ... See full document

... P ¨oschl, U., Martin, S. T., Sinha, B., Chen, Q., Gunthe, S. S., Huffman, J. A., Borrmann, S., Farmer, D. K., Garland, R. M., Helas, G., Jimenez, J. L., King, S. M., Manzi, A., Mikhailov, E., Pauliquevis, T., Petters, M. ... See full document

... efficient in the removal of aerosols from the atmosphere, and thus strongly influence global aerosol concentrations, and clouds, and their respective radiative ...forcings. In ... See full document

... with CCN>10 cm −3 will have a net cooling ...increased aerosol loading is the combined result of these two competing ...ASCOS and three previous experiments in the central Arctic ... See full document

... heat and moisture ...reduces aerosol deposition and the number of deposited particles by as much as ...heat and moisture exchangers be removed during ... See full document

... the aerosol size distribution is influenced by air mass origin which determines difference aerosol sources and evolution processes (Dall’Osto et ...each size distribution type over time ... See full document

... O., and Pöschl, ...ysis and modeling of aerosol particle mixing state with regard to hygroscopic growth and CCN activation, ... See full document

... larger in 2000 than in 1850. Large differences in continental CDNC can also be seen in less industrialized regions, like over the equatorial Africa and South ...increases in ... See full document

... Yu, H., Kaufman, Y. J., Chin, M., Feingold, G., Remer, L. A., Anderson, T. L., Balkanski, Y., Bel- louin, N., Boucher, O., Christopher, S., DeCola, P., Kahn, R., Koch, D., Loeb, N., Reddy, M. S., Schulz, M., Takemura, ... See full document