More photos

 

The routes for organics oxidation in the atmosphere and its implications to the atmosphere

 

 

General introduction to the meeting – A.R. Ravishankara

Session 1:

Can we predict the atmospheric fate of complex (biogenic and multifunctional) organic compounds?

Discussion leader:

Neil Donahue

 

Introduction by the discussion leader

 

R. Atkinson

Atmospheric Degradation of VOCs

 

W. Mellouki

Gas Phase degradation of Oxygenated VOCs

 

M. Pilling

The tropospheric degradation of VOCs: issues and uncertainties

Session 2:

How well is low temperature gas phase organic chemistry understood?

Discussion leader:

Claus Nielsen

 

Introduction by the discussion leader

 

P. Shepson

Photochemistry of organic compounds in ice

 

G. Lebras

Oxidation of oxygenated VOCs at the low temperatures of the UTLS: experimental studies

 

L Vereecken

OH-initiated oxidation of oxygenates at low temperatures: computational difficulties in a priori predictions

Session 3:

The role of organics in new particle formation, growth of particles. How well do we understand aerosol abundance, properties and mass balance?

Discussion leader:

Thorsten Hoffmann

 

Introduction by the discussion leader

 

K. Carslaw

Global modelling of new particle formation

 

M. Kanakidou

The role of secondary organics in aerosol formation: A global modelling approach

 

A. Laaksonen

The role of organics in atmospheric nucleation events: laboratory and field studies

Session 4:

High molecular weight species in aerosols: What is the role of in-situ polymerization versus other mechanisms and what is its implication to the atmosphere?

Discussion leader:

Hugh Coe

 

Introduction by the discussion leader

 

U Baltensperger

Oligomerization in Secondary Organic Aerosol - Latest Results from Smog Chamber Studies

 

G. Kiss

Formation of relatively high molecular weight organic compounds in aqueous phase and its implications to the atmosphere.

 

Hartmut HERRMANN

Aerosol chamber studies of high molecular weight organics formation and the role of aqueous phase chemistry

Session 5:

How can organic compounds affect atmospheric ice nucleation processes and the properties of cirrus clouds?

Discussion leader:

R. Griffin

 

Introduction by the discussion leader

 

T. Koop

Organics and ice nucleation - homogeneous and heterogeneous nucleation processes

 

T. Peter

Organics and ice nucleation - the case of oxalic acid

 

P. Rairoux

Optical properties of ice particles

Session 6:

How well is the reactive uptake of (organics) gases by an organic and/or ice surface quantified/understood?

Discussion leader:

Michel Rossi

 

Introduction by the discussion leader

 

S. Borrmann

Recent field studies on the uptake of organics in cloud droplets, interstitial aerosols, cloud residual particles, and ice clouds

 

S. Martin

Aging of Organic Particles by Ozonolysis

 

J. Donaldson

Heterogeneous ozonation and photonitration of PAHs

 

T. Cox

Uptake of N2O5 on Aerosols containing Organics – understanding the mechanism of heterogeneous hydrolysis

 

U. Pöschl

Kinetic model framework for aerosol and cloud surface chemistry and gas particle interactions U. Pöschl, Y. Rudich, M. Ammann

 

Discussion and conclusion

 

Conclusions – M. Pilling