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New Aerosol Particle Formation in Amazonia

New Aerosol Particle Formation in Amazonia. M. Matisans, P. Tunved, L. Rizzo, R. Krejci, P. Artaxo, I.Riipinen, T. Hamburger, E. Swietlicki, H.E. Manninen, J. Backman, M. Kulmala. Aerosol number size distribution. Question. & Hypothesis. Where do new particles come from in Amazonia ?

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New Aerosol Particle Formation in Amazonia

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  1. New Aerosol Particle Formation in Amazonia M. Matisans, P. Tunved, L. Rizzo, R. Krejci, P. Artaxo, I.Riipinen, T. Hamburger, E. Swietlicki, H.E. Manninen, J. Backman, M. Kulmala

  2. Aerosol number size distribution

  3. Question & Hypothesis • Where do new particles come from in Amazonia? • An alternative particleproductionpathway.

  4. Measurement site

  5. Methods & Instruments • SMPS data (10nm<Dp<500nm) • Metorological data • Precipitation, WS, WD, SR • NAIS observations (1nm<Dp<16nm)

  6. Cluster Analysis

  7. Cluster analysis for nucleationdays

  8. Ion production and particle growth

  9. Precipitation produces ions

  10. Ion self-coagulation simulation with CALM

  11. Seasonal ion production

  12. Condensational sink < 5 nm paticles

  13. Thank you for your attention!

  14. Parameters

  15. Ion charge ratio dynamics

  16. CS annual cycle

  17. Rainfall duration

  18. Ion production by rain

  19. Cluster Analysis

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