REPORT SERIES IN AEROSOL SCIENCE

Transcription

1 REPORT SERIES IN AEROSOL SCIENCE N:o 59 (2003) RESEARCH UNIT ON PHYSICS, CHEMISTRY AND BIOLOGY OF ATMOSPHERIC COMPOSITION AND CLIMATE CHANGE: PROGRESS REPORT AND PROCEEDINGS HYYTIALA Helsinki 2003 UB/TIB Hannover

2 CONTENTS, P. Hari, A. Laaksonen, T. Vesala, Y. Viisanen Physics, chemistry and biology of atmospheric composition and climate change: Summary of recent results 7 P. Hari Carbon and nitrogen fluxes in a forest ecosystem 10 M. Raivonen, T. Vesala, L. Pirjola, P. Keronen,, P. Hari UV radiation released NO X from Scots pine shoots 16 H. Hakola, V. Hiltunen, H. Hellen Seasonal variation of biogenic hydrocarbons above a Boreal corniferous forest 20 E. Juurola, J. Back, P. Hari An approach to link photosynthetic terpene formation to photosynthesis with a simple dynamic model 22 P. Kolari, P. Hari Estimating Scots pine canopy photosynthesis using shoot cuvette measurements 26 E. Nikinmaa, F. Berninger, P. Hari, T. Holtta, A. Makela, M. Peramaki, S. Sevan to, P. Vanninen, T. Vesala Transport in trees as determinant of dry matter production, resource distribution and growth 29 T. Holtta, T. Vesala, S. Sevanto, M. Peramaki, E. Nikinmaa On relationships between embolism and xylem diameter variations in the field for Scots pine trees 34 S. Sevanto, T. Vesala, M. Peramaki, E. Nikinmaa Tree stem diameter variations are connected to transpiration and sugar transport 38 T. Vesala, IJ. Rannik, T. Holtta, P. Keronen, T. Markkanen, M. Pihlatie, J. Raittila, S. Sevanto, T. Suni, F. Berninger, P. Hari, T. Linkosalo, E. Nikinmaa, M. Peramaki, T. Aalto, T. Laurila, Y. Viisanen Studies of micrometeorology and forest-atmosphere interactions 40 T. Laurila, T. Thum, M. Aurela, A. Lohila, J.-P. Tuovinen, T. Aalto, P. Kolari, P. Hari Towards remote sensing applications of forest-atmosphere gas-exchange 43 T. Suni, J. Rinne, A. Reissell, N. Altimir, P. Keronen, U. Rannik, M. Dal Maso,, T. Vesala Long-term measurements of surface fluxes of CO 2,0 3, aerosol particles, momentum, sensible heat and water vapour over a Scots pine forest in Hyytiala, Southern Finland,

3 N. Altimir, T. Vesala, P. Keronen,, P. Hari Ozone flux onto Scots pine foliage as measured in shoot chambers 55 P. Keronen, A. Reissell, U. Rannik, T. Pohja, E. Siivola, V. Hiltunen, P. Hari,, T. Vesala Ozone fluxes, concentrations and concentration profiles over a Scots pine forest 59 M. Pihlatie, H. Hvesniemi, A. Simojoki, J. Pumpanen, K. Regina, P. Hari, T. Vesala Nitrogen oxide and methane fluxes from Boreal pine forest soil 64 V. Rannik, P. Aalto, A. Gaman, P. Keronen, T. Vesala, Small particle deposition to forest as inferred by experimental techniques 68 T. Markkanen, U. Rannik, B. MarcoUa, A. Cescatti, T. Vesala Parameterization of flux footprint functions 72 M. Olin, T. Vesala, U. Rannik, J. Takalo Statistical analysis of time series of fluxes in ecosystems 75 H. Hellen, T. Virta, H. Hakola Measurements of the organic compounds in the atmosphere 77 L. Penttinen, J. Paatero, Y. Viisanen, Seasonal and diurnal variation of airborne radon-222 at HyytiSla, Finland 79 A. Reissell, C. MacDonald, P. Roberts, J. Arey Depiction of BVOC's and meteorology at Azusa, Los Angeles basin, in August A. Bogdan, Glass transition in finely divided aqueous solutions 87 A. Bogdan, M.J. Molina,, A.R. MacKenzie, A. Laaksonen The study of finely divided aqueous systems as an aid to understanding the formation mechanism of polar stratospheric clouds 93 H. Lihavainen, K. Hautio, A.-P. Hyvarinen, A. Laaksonen, Y. Viisanen Surface tension measurements of sulfuric acid dimethylamine water solutions 99 H. Vehkamaki, L Napari, K.E.J. Lehtinen, J. Merikanto, AJ. Lauri, E. Zapadinsky, K. Laasonen, M. Noppel, A. Laaksonen, Theoretical studies of multicomponent nucleation mechanisms in the atmosphere 103 A. Gaman, H. Vehkamaki, I. Napari, A. Laaksonen, Modelling study of secondary organic aerosol formation - binary nucleation 107 I. Napari,, H. Vehkamaki Ternary nucleation of inorganic acids, ammonia, and water 113 L Napari, A. Laaksonen Curvature effect on disjoining pressure 116

4 I. Napari, H. Vehkamaki, K. Laasonen Molecular dynamics simulations of molecule-cluster collision processes 119 E. Zapadinsky, H. Vehkamaki, Monte Carlo simulations and homogeneous nucleation 122 J. Merikanto, H. Vehkamaki, E. Zapadinsky Monte Carlo simulation of nucleation of water 125 A.-P. Hyvarinen, H. Lihavainen, Y. Viisanen Homogeneous nucleation rate measurements in a laminar flow diffusion chamber 129 P.M. Winkler, P.E. Wagner,, L Napari, H. Kokkola, A. Laaksonen Nucleation and growth processes in binary water-ammonia vapor mixtures 132 K.E.J. Lehtinen, H. Korhonen, Modeling the formation and growth of atmospheric aerosol particles 138 M. Dal Maso,, K.E.J. Lehtinen, P.P. Aalto, V.-M. Kerminen Nucleation events in Hyytiala and Varrio in 1999: Formation and growth rates 143 T. Anttila, V.-M. Kerminen, The influence of organic compounds to aerosol formation dynamics 148 A. Asmi, B. Schell, Regional modelling of effect of different nucleation parametrizations 154 H. Korhonen, K.EJ. Lehtinen, L. Pirjola, L Napari, H. Vehkamaki, M. Noppel, Applicability of different nucleation models and size distribution representations for simulating atmospheric new particle formation 158 H. Korhonen, I. Napari, H. Vehkamaki, K.EJ. Lehtinen, L. Pirjola, A. Lauri, Soluble coating of mineral dust aerosols by heterogeneous nucleation: Implications on new particle formation and growth 162 A. Maattanen, H. Korhonen, K.E.J. Lehtinen, Developing an aerosol model for Mars 166 J. Joutsensaari, T. Toivonen, M. Vesterinen, P. Vaattovaara, J. Vepsalainen, A. Laaksonen Detection of acidic aerosol particles with an organic tamdem differential mobility analyzer 168 T. Petaji, M. Martin-Reviejo, P. Vaattovaara, J. Joutsensaari, K. Hameri, A. Laaksonen Growth of aerosol phase toluene oxidation products in water and ethanol vapour in outdoor smog chamber experiments 171

5 A. Lauri, J.A. Ketoja, H. Vehkamaki, S. Romakkaniemi, Calculations and experiments of heterogeneous nucleation on solid surfaces and condensation onto small liquid embryos 176 A. Laaksonen,, C. O'Dowd, Y. Viisanen, D. Nilsson, M.C. Facchini, T. Hoffmann, F. Arnold, B. Schell, W. Junkermann Quantification of aerosol nucleation in the European boundary layer (QUEST): First year project results 182 M. Boy, T. Petaja, M. Dal Maso, U. Rannik, J. Rinne, P. Aalto,, A. Laaksonen, J. Joutsensaari, T. Hoffmann, J. Warnke, M. Apostolaki, E.G. Stephanou, M. Tsapakis, A. Kouvarakis, C. Pio, A. Carvalho, A. Rdmpp, G. Moortgat, C. Spirig, A. Guenther, J. Greenberg Overview of the field measurement campaign in HyytialS, August 2001 in the frame oftheeu project OSOA 186 M. Boy, Influence of spectral solar irradiance on the formation of new particles in the continental boundary layer 190 M. Boy, U. Rannik,, V. Tarvainen, H. Hakola Nucleation parameter - An equation to predict the number concentration of new formed particles in the PBL 192 U. Horrak, P. Aalto, J. Salm, Characterization of air ions during nucleation events in Boreal forest air 196 M. Vana,, M. Dal Maso, U. Horrak On the formation and growth of nucleation mode particles and intermediate air ions in the atmospheric boundary layer 202 P. Aalto, P. Paatero,, F. Forastiere Health effects of air pollution on susceptible subpopulations (HEAPSS) - Ultrafine particles 208 A. Puustinen, K. Hameri, J. Pekkanen, RUPIOH (Relationship between Ultrafine and fine Particulate matter in Indoor and Outdoor air and respiratory Health) 211 T. Hussein, K. Hameri, M. Heikkinen,, K. Kuuspalo Ultrafine aerosol particle penetration in three differenct indoor environments and ventilation scenarios 214 T. Hussein, K. Hameri, M. Heikkinen, Spatial and temporal aerosol particle number characterization in Helsinki, Finland 220 T. Hussein, A. Puustinen, K HSmeri, P. Aalto, Six years data of particle number size distributions in Helsinki - Finland: - Seasonal variation and particle size characterization 226

6 L. Laakso, T. Hussein, P. Aarnio, M. Komppula, V. Hiltunen, Y. Viisanen, M Kulmala Three years of particle mass and number concentration measurements in urban and rural conditions in Finland 232 L. Laakso, T. Gronholm, U. Rannik, H. Vehkamaki, M. Kosmale, V. Fiedler, Ultrafine particle scavenging coefficients calculated from six years field measurements 238 T. Ruuskanen, A. Reissell, P. Keronen, P.P. Aalto, L. Laakso, T. Gronholm, P. Hari, Atmospheric trace gas and aerosol concentration measurements in Eastern Lapland, Finland M. Komppula, M. Dal Maso, H. Lihavainen, V.-M. Kerminen,, Y. Viisanen Observations of new particle formation at two locations in Northern Finland 246 V. Aaltonen, J. Paatero, J. Hatakka, H. Lihavainen, Y. Viisanen Correlation between aerosol light scattering coefficient and airborne lead-210 in Northern Finland 250 I.K. Koponen, A. Virkkula, R. Hillamo, Aerosol particle total concentrations and size distributions at the Finnish Antarctic research station ABOA 255 P. Monkkonen, I.K. Koponen, K. Hameri, Number concentration and size distribution of fine and ultrafine urban background aerosols in New Delhi, India 258 P. Vaattovaara, J. Joutsensaari, T. Toivonen, A. Laaksonen Study of nucleation and Aitken modes particle composition by UF-OTDMA at coastal background site in West Ireland 262 E. Herrman, I.K. Koponen Estimating ambient aerosol particle densities from a comparison of ELPI and DMPS data 268 J. Hienola,, A. Laaksonen, J. Strom Nitric acid partitioning and denitrification capacity in northern and southern hemisphere cirrus clouds - Results from EMCA campaign 271 H. Kokkola, S. Romakkaniemi,, A. Laaksonen Simulating the effects of hygroscopic gases on fog formation 277 S. Romakkaniemi, H. Kokkola, A. Laaksonen The soluble trace gas effect on CCN activation: Influence of initial equilibration on cloud model results 280

7 R. Sorjanmaa, A. Laaksonen About the effects of surfactant partitioning on CCN activation 282 T. Kurten,, M. Dal Maso, T. Suni, A. Reissell, P. Hari, A. Laaksonen, Y. Viisanen, H. Vehkamaki, T. Vesala Estimation of secondary aerosol contribution to the radiative balance using observations from Hyytiala, Finland 285