Atmospheric Aerosols and Nucleation : Proceedings of the Twelfth International Conference on Atmospheric Aerosols and Nucleation, Held at the University of Vienna, Austria, August 22-27, 1988

These Proceedings Give A Rather Complete Overview Of The Most Recent Research In The Areas Of Fundamental Processes And Phase Transitions, Cloud Droplet And Ice Nucleation In The Atmosphere, And Aerosol Formation And Aerosol Characteristics In The Atmosphere. Nine Review Papers On Topics Of Special Importance Are Supplemented By About 200 Summaries On Topics Of Greatest Current Importance. The Volume Should Be Of Interest To Scientists Working In The Atmospheric And Environmental Sciences, In Chemistry And In Physics, As Well As To Engineers Working In These Areas. Contents: Formation And Characteristics Of Atmospheric Aerosols: Particle Formation And Gas - Particle - Reactions. Measurements And Characterization Of Atmospheric Aerosols. Dynamics Of Ultrafine Aerosol Particles, Coagulation. Fractal Properties, Aerosol Characterization. Physico-chemical Properties Of Aerosol Particles. Aerosol Measurement Techniques. Background Aerosols. Marine Aerosols -- Fundamental Nucleation Processes -- Cloud Droplet Nucleation -- Ice Nucleation -- Author Index. Paul E. Wagner, Gabor Vali (eds.). Includes Bibliographical References And Index. Binary homogeneous nucleation....Pages 1-14 The effect of atmospheric aerosol on the acidity of precipitation....Pages 15-18 Gas-particle reactions in a humid atmosphere....Pages 19-22 Determination of the sticking probability of H 2 SO 4 ON H 2 SO 4 -H 2 O aerosols....Pages 23-26 Experiments on the sticking probability for water molecules during condensation of water vapor in air....Pages 27-31 Aerosol formation and distribution in the Arctic during AGASP-II, March–April 1986....Pages 32-35 Sulfate production in different-sized droplets using an adiabatic parcel model....Pages 36-39 Aerosol compositional effects on mountain clouds: Attributing sources of acid deposition....Pages 40-43 Characterisation of atmospheric aerosols in the Northern part of Europe....Pages 44-48 Fibrous aerosols at higher tropospheric altitudes....Pages 49-51 Time-size structure of atmospheric aerosol....Pages 52-55 The vertical profile of condensation nuclei on cloudy days....Pages 56-60 An optical aerosol climatology....Pages 61-64 The use of the log beta distribution to characterize atmospheric aerosols....Pages 65-68 Characteristic features of distribution and variation of Atmospheric Aitken Nuclei in mountain regions....Pages 69-71 Registration of condensation nuclei and particle concentration 0.3 ⩽ d ⩽ 6 μ m in the atmosphere: Vertical gradient of concentration, washout effects....Pages 72-74 Models of size spectrum of tropospheric aerosol....Pages 75-78 Experiments on the dynamics of ultrafine aerosol particles....Pages 79-92 Modeling of coagulation processes in the atmosphere....Pages 93-95 Brownian coagulation of aerosols in free molecular regime....Pages 96-99 On the role of aerosol particles spatial fluctuations under coagulation growth....Pages 100-103 On the effect of the spectral shape of a source on the steady-state particle distribution of a coagulating aerosol....Pages 104-107 Scavenging of aerosol particles by rain and drizzle....Pages 108-110 The influence of periodical source on the process of coagulation....Pages 111-112 Physical characterization of agglomerated aerosol particles through size-invariant fractal properties....Pages 113-115 The use of numerically simulated clusters to evaluate algorithms for fractal dimensionality....Pages 116-119 The experimental measurements of clusters formed from soot agglomerates near the sooting limit....Pages 120-123 Express-method for presentation of measurement results of high-disperse aerosols parameters by diffusional methods....Pages 124-125 The observation of the wet atmospheric aerosol by aeras cascade impactors....Pages 126-129 Aspiration of coarse atmospheric aerosols: Selection of sampling devicies and correction of sampling errors....Pages 130-133 Density of atmospheric aerosol particles....Pages 134-137 Atmospheric aerosols — the subject of physico-chemical study....Pages 138-157 A nearly complete characterization of the physico-chemical and optical properties of aerosols....Pages 158-161 Kinetics of aerosol formation at photolysis of haloidaryl vapours....Pages 162-165 On the effect of thermo- and diffusiophoretic capture of hygroscopic aerosol particles onto evaporation of solution droplets....Pages 166-169 Condensational growth of some Hygroscopic salt aerosols in standard conditions....Pages 170-171 Study of interconnections between some parameters of the atmospheric aerosol composition and the ozone concentration....Pages 172-175 Radiation induced aerosol formation in gas mixtures containing S02 and NOx....Pages 176-177 Aerosol formation according to specific vapour pressure....Pages 178-181 The effect of thermodynamic inhomogeneities on nuclei counting in expansion type counters....Pages 182-185 Growth system for ultrafine particles (Principle and preliminary experiments)....Pages 186-189 A condensation nucleus counter designed for ultrafine particle detection above 3nm diameter....Pages 190-193 Measurements of aerosol size distributions with a pocket counter with variable expansion ratio....Pages 194-197 An analysis of pressure variation in a condensation nucleus counter during expansion....Pages 198-201 A combined DMPS - OPC - sizing - system and its calibration and application for environmental aerosols....Pages 202-205 Modern vethods for determining microphysical characteristics of atmospheric aerosols....Pages 206-209 Comparative tests of TSI-3030 electric aerosol analyzer and measuring complex of ICK&C, USSR AS....Pages 210-212 Multiwavelength lidar measurements of aerosols in the lower atmosphere....Pages 213-214 Measurement of integral parameters in the investigations of optical properties of aerosols....Pages 215-216 Background particle size distributions over North America....Pages 217-220 Effects of El Chichon volcanic effluents on stratospheric aerosol dynamics....Pages 221-224 South Pole aerosol measurements during 1987....Pages 225-228 Measurements of aerosol size spectra and chemical composition in the Dead sea rift valley....Pages 229-232 Examples of the evolution of multimodal aerosol size distributions in midlatitudes and the Arctic....Pages 233-236 Relative humidity parameterization of the lognormal size distribution of ambient aerosols....Pages 237-238 Observation of condensation on small air ions in the atmosphere....Pages 239-240 Evidences of particle formation by homogeneous nucleation over the oceans....Pages 241-244 Numerical simulation of the evolution of the particle size distribution in the marine boundary layer....Pages 245-248 Production of aerosol at the ocean surface....Pages 249-252 Factors affecting concentrations of sea salt particles in the tropical west Pacific area....Pages 253-256 Volatility of maritime aerosol....Pages 257-260 The liquid water content of a radiation fog by the FSSP 100 optical probe and the aeras jet impaction stage....Pages 261-264 Some investigations of tropical aerosol characteristics over western pacific ocean by using forward scattering spectrometer probe....Pages 265-268 Recent investigations on marine aerosols....Pages 269-272 Physical characteristics of the atmosphere state favouring secondary aerosol formation in the lower troposphere....Pages 273-274 Experimental study of the modification process of aerosol particles in the atmospeere....Pages 275-278 Trace elements in atmospheric aerosols over Hungary....Pages 279-282 The photoelectric aerosol sensor — a tool for the in situ detection of polycyclic aromatic hydrocarbon coated particles....Pages 283-286 Aerosols residence time calculations using bismuth-210/lead-210 activity ratios of atmospheric particulates....Pages 287-290 Determination of scatter coefficients due to atmospheric aerosols: A case study....Pages 291-294 Statistics of Raman scattered light on aerosol particles and its relation to the chemical properties of the aerosol....Pages 295-298 Microscopic and chemical analyses of aerosol and rime samples collected in a mountainous area....Pages 299-302 Soot particle scavenging by growing ice crystals....Pages 303-304 A theoretical investigation on the washout of aerosol particles by falling ice crystals....Pages 305-306 Results of the study of the aerosol concentration in cumulus clouds....Pages 307-308 Chemical composition of atmospheric aerosols, their migration and transformation on the example of the Central Asia region....Pages 309-310 Spectrometric study of atmospheric particle size and composition....Pages 311-312 The seasonal changes of the properties of the aerosols-cosmogenic radionuclides carriers....Pages 313-314 Modelling of 210 PB, 210 BI, 210 PO finding forms in aerosols in the ground level air....Pages 315-316 Chemical characteristics and source apportionment of aerosols in a coal-consumed city....Pages 317-317 On the determination of dispersivity and chemical composition of atmospheric aerosols....Pages 318-319 Scaled models for nucleation....Pages 321-349 Comparative study of homogeneous nucleation in various tetrachloride vapors....Pages 350-355 The homogeneous nucleation of nonane....Pages 356-359 Systematic studies of homogeneous nucleation processes; discovery of propensity rules....Pages 360-363 Growth processes and homogeneous nucleation in vapour-gas mixtures....Pages 364-366 Comparison of models for the composition of binary nuclei....Pages 367-370 Measurements of the heteromolecular homogeneous nucleation of partially miscible liquids....Pages 371-374 Homogeneous nucleation in binary melt systems....Pages 375-378 Experimental study of heteromolecular nucleation in sulphuric acid-water vapour binary system....Pages 379-382 Binary nucleation of water-sulphuric acid systems: Comparison of theoretical and experimental results....Pages 383-384 Nonclassical nucleation theory of condensation....Pages 385-388 Thermodynamic and kinetic model for condensation in finite systems, and its application to experimental results....Pages 389-392 Spontaneous nucleation rate, sizes and of critical nuclei in many-component supersaturated vapour....Pages 393-396 Gas phase nucleation involving polymers....Pages 397-418 Expansion cloud chamber measurements of the gas phase self- initiated thermal polymerization of styrene....Pages 419-421 Kinetics of ion induced nucleation....Pages 422-425 Magnetic water treatment....Pages 426-429 Photoinduced nucleation of nickel carbonyl....Pages 430-433 Thermodynamic considerations on the stability of colloidal dispersions with ionizable surface groups like silica sols....Pages 434-437 The critical complex in nucleation is not the nucleus....Pages 438-441 Size dependence of surface thermodynamic parameters of microclusters and the location of the gibbs' “surface of tension”....Pages 442-445 Effects of size dependent surface tension and temperature on homogeneous nucleation of toluene....Pages 446-449 Monte Carlo simulations of small water clusters: Effective surface tension....Pages 450-453 Investigations of the formation and the structure of microclusters by direct computer simulation....Pages 454-457 Potentialities of molecular model in describing heterogeneous ice crystal nucleation....Pages 458-461 Problems associated with ensemble treatment in statistical-mechanical theories of nucleation....Pages 462-465 Anharmonictty corrections to the thermodynamic properties of nucleating clusters of Nitrogen molecules....Pages 466-469 Thermodynamics of phase transitions of water....Pages 470-495 A comprehensive study of nucleation rates: A molecular cluster model approach....Pages 496-499 Polycrystallization of water drops freezing on an ice substrate....Pages 500-503 The maximum rate of homogeneous ice nucleation in air by cooling....Pages 504-507 The ice/water interface: Analysis of molecular trajectories....Pages 508-511 Heterogeneous ice crystal nucleation on model nuclei....Pages 512-514 Heterogeneous ice nucleation in adsorbed layers. Experiment and theory....Pages 515-518 Ice nucleation by AgI solid solutions....Pages 519-522 The features of water phase transition under low pressure....Pages 523-526 Optical studies of condensation dynamics in a supersonic nozzle....Pages 527-530 Homogeneous condensation in transonic flow....Pages 531-534 Nucleation and growth rates from shock tube experiments....Pages 535-537 Laboratory investigations on reactivity and condensation nuclei properties of coated and uncoated ultrafine particles....Pages 538-541 Thermodynamically nonequilibrium heterogeneous nucleation....Pages 542-545 Nucleation studies of I-III-VI 2 ternary semiconductors during chemical vapour transport....Pages 546-547 Cloud condensation nuclei....Pages 549-562 On the theory of the initial phase of condensation....Pages 563-566 Use of an Isothermal Haze Chamber for studying the conditions of fog formation....Pages 567-570 Measurement of CCN with the Thermal Diffusion Tube....Pages 571-574 Airborne CCN spectral measurements....Pages 575-578 Distribution of salt nuclei near sea shore at Visakhapatnam....Pages 579-580 The effects of the spectra, concentration and chemical composition of salt nuclei on the formation of the cloud droplet spectra in cumulus clouds....Pages 581-584 On the influence of cetyl alcohol vapour on the condensation processes in the course of cloud formation....Pages 585-588 The generation of secondary marine aerosols: The crystallization of seawater droplets....Pages 589-592 CCN concentrations and supersaturation spectrum curves observed in a tropical rain forest South of the Sahara....Pages 593-596 A parametric study of condensation growth and nucleation scavenging over large fires....Pages 597-600 Characterization of combustion aerosol for haze and cloud formation....Pages 601-604 Airborne observations of summertime CCN concentration in the middle-lower troposphere over Northern China....Pages 605-609 Correlation between fog optical depth and the characteristics of the medium phase function....Pages 610-611 Aerosol effects on marine stratocumulus development observed from multispectral satellite measurements....Pages 612-613 Influence of physical and chemical properties of aerosols on clouds in mesoscale models....Pages 614-615 Effect of nucleation and condensation in a nucleus counter on trace levels of SO 2 present in atmospheric air samples....Pages 616-617 Ice nuclei of biological origin....Pages 619-633 Phase transitions in an adsorbed water layer on aerosol particles....Pages 634-637 Theoretical estimations of stimulation by adsorbed ions of supercooled droplets crystallization in clouds....Pages 638-640 Phenomenological theory of ice nucleation on particles with inhomogeneous surface and its verification....Pages 641-644 Stability of nucleation sites for ice....Pages 645-648 Observations of homogeneous-freezing of freely suspended aqueous solution droplets....Pages 649-652 Studies of ice nucleation by carbonaceous soot aerosols....Pages 653-656 Homogeneous droplet nucleation rates derived from cirrus cloud measurements....Pages 657-660 Ice nucleation on aerosol particles op a mixed chemical nature....Pages 661-664 Collision-freezing: A new mechanism for ice initiation in warm-based cumuli....Pages 665-668 The role of contact nucleation scavenging in the coalescence-freezing mechanism....Pages 669-669 X-ray diffraction analysis of aerosols obtained by burning of the AgJ based pyrotechnics....Pages 670-673 Comparisons of cloud chamber and cloud model simulations of ice nucleation by silver iodide....Pages 674-677 Ice nuclei in atmosphere over Baicheng Prefecture in spring....Pages 678-678 Ice forming nuclei concentrations at Palmer Station, Antarctica....Pages 679-682 Probability of ice nuccleation on ultrafine particles of silver and silver iodide....Pages 683-684 Kinetics of ice crystal formation on aerosol particles in fog....Pages 685-686 Studies on the vertical distribution of atmospheric ice nuclei....Pages 687-688 The supercooling of the ice sponge-to-water skin interface of gyrating hailstones....Pages 689-692 Rapid ice nucleation: Laboratory and field studies of the phenomenon and its importance....Pages 693-696 A dynamic processing chamber for ice nuclei filter samples....Pages 697-700 The method of measuring the instant freezing nucleus spectrum in a precipitation sample....Pages 701-704 Stochastic, ice nucleation on a nonhomogeneous surface....Pages 705-708 Ice-forming activity of atmospheric aerosol particles of different sizes....Pages 709-712 Ice electronucleation: Laboratory and field evidence in support of a new mechanism of ice nucleation....Pages 713-716 The prevention of ice crystal growth from water by “antifreeze proteins”....Pages 717-720 Heterogeneous ice nucleation within emulsions....Pages 721-724