LAC - Laboratory of Atmospheric ChemistryThe Laboratory of Atmospheric Chemistry (LAC), established 1 January 2000, is a laboratory of the Energy and Environment Research Division (ENE) at the Paul Scherrer Institute.
Our laboratory comprises four interacting groups that operate a large variety of facilities and instruments in the lab and in the field.
Clouds consist of tiny droplets. These droplets form when water condenses around so-called aerosols – small particles in the atmosphere. To understand how in turn aerosols come into existence scientists have now created a comprehensive computer model simulation based on profound experimental data. This simulation revealed that in addition to sulphuric acid, two other substances are crucially involved in the formation of aerosols: organic compounds and ammonia. These results have now been published in the renowned journal Science.
Researchers have shown how fine particles are formed from natural substances in the atmosphere. These findings will improve our knowledge about clouds in the pre-industrial era and thus will contribute to a more accurate understanding of both the past and future evolution of our climate.
Recognition as 'Highly Cited Researchers'
The honored researchers are Urs Baltensperger, Head of the LAC, and André S. H. Prévôt, Head of the Gasphase and Aerosol Chemistry Group of the LAC.
Ernest Weingartner of FHNW is the third Highly Cited Researcher 2015 partially affiliated with PSI/LAC.
List of the highly cited researchers