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SUMMARY:EESS talk on "Nanoparticles in the air that we breath"
DTSTART:20220517T121500
DTEND:20220517T131500
DTSTAMP:20260506T080504Z
UID:2e1e9af5b2bb24c07648943b17447648b4602bf1693745f6c93b2950
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Spyros Pandis\, Engineering and Public Policy\, Carnegie
  Mellon University\, USA\nAbstract:\nThe human development of our planet h
 as a variety of negative impacts on the composition of its atmosphere at e
 very scale – locally\, regionally\, and even globally. One of these dram
 atic changes has been the increase in the mass concentrations of sub-micro
 meter particles by one to sometimes two orders of magnitude over populated
  areas in the Northern Hemisphere. These atmospheric aerosols can cause se
 rious health problems\, reduce visibility\, contribute to acidic depositio
 n and material damage\, but are also cooling the planet by reflecting sunl
 ight back to space. Atmospheric particles may be emitted directly but the 
 majority of the mass of the small particles is formed in the atmosphere by
  transformation of gaseous emissions such as sulfur oxides\, nitrogen oxid
 es\, and volatile organic substances. Atmospheric chemistry occurs within 
 a fabric of complicated atmospheric dynamics and physics. This interplay o
 ften results in nonlinear and often counterintuitive changes of the system
  when anthropogenic emissions change. A major goal of our research has bee
 n to gain a predictive understanding of the physical and chemical processe
 s that govern the dynamics\, size\, and chemical composition of atmospheri
 c aerosols. To illustrate the advances in the experimental techniques and 
 theoretical tools in atmospheric aerosol science we will focus on the orig
 ins of particles smaller than 100 nm and their role in the energy balance 
 of our planet.\n\nShort biography:\nDr Spyros Pandis is Professor in the C
 hemical Engineering Department of the University of Patras in Greece and c
 o-director of the Center for Air Quality and Climater Change in the Founda
 tion for Research and Technology\, Hellas (FORTH). He received his PhD fro
 m the California Institute of Technology in 1991 and joined the faculty of
  Carnegie Mellon University in 1993 and of the University of Patras in 200
 4. His research includes theoretical and experimental studies of atmospher
 ic chemistry as it relates to urban and regional pollution and topics rela
 ted to global climate change. Prof. Pandis has published over 300 peer-rev
 iewed papers and he is the author together with Prof. Seinfeld of “Atmos
 pheric Chemistry and Physics” a textbook that is widely used around the 
 world. He has been awarded the Whitby and Sinclair Awards by the American 
 Association for Aerosol Research\, the Cecil Award in Environmental Engine
 ering by the American Institute of Chemical Engineering\, the Bjerkness Me
 dal by the European Geophysical Union\, and the CAREER award by the US Nat
 ional Science Foundation. He has been the recipient of the Elias Chair in 
 Carnegie Mellon University\, the Kun Li award for Excellence in Chemical E
 ngineering education\, and the Benjamin Teare and University of Patras awa
 rds for Excellence in Engineering education
LOCATION:GC B1 10 https://plan.epfl.ch/?room==GC%20B1%2010 https://epfl.zo
 om.us/j/66723503475
STATUS:CONFIRMED
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