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Climate Change classes 1
UQ 3 May 07 Cars and ozone
UQ 2 Mar 07 Urban air
Climate change 2007 IPCC special
UQ 1 Nov Dec 06 Particles in air
Special: Oct. 2006 Communication
Nr 10 Sept. 2006 Africa's emissions
Nr 9 July 06 Air traffic
Special: June 06 Climate summit
Nr 8 April 2006 Ozone & N2 cycle
Nr 7 March 2006 Climate modeling
Nr 6 Feb. 2006 acid rain
Nr 5 Jan. 2006 oceanic sulfur
Special: Nov 05 Ozzy Ozone
Nr 4 Oct. 2005 light/satellites
Special: Sept 05 Cyclones
Nr 3 Sept. 2005 methane/energy
Special: July 05 Greenhouse Earth
Nr 2 June 2005 forest/aerosols
R: Forest flavour, particles & clouds
C: Condensation
A: Activities
L: Links
I: Information for Teachers
No 1 May 2005 vegetation/CO2

FOREST smell and clouds

How gases from trees form particles and how particles grow to cloud droplets

forest and particles



No. 2

June 2005






Forest flavour, particle formation and cloud condensation

Condensation takes place in the atmosphere when cloud droplets form. It is not easy to understand what sort of cloud droplets of which size form under which conditions. Could it be possible that even the smell of the forest has something to do with it? Scientists in Finland can tell us more ...

Condensation in the atmosphere

Evaporation takes up heat, condensation releases heat. Calorific processes take place every day in our environment. They are part of the weather. However condensation of pure water is not possible in the atmosphere. Why not?



Do you understand the process of condensation and changes in states of aggregation taking place in the atmosphere? Think about the role of processes in our environment which have an influence.


More information on the Internet about:
- particle formation, condensation and cloud droplets



Information for Teachers

Draft solutions, download material and more detailed information in the Material Area for teachers.





last updated 19.06.2006 | © ACCENT - Atmospheric Composition Change 2013