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Summer School "Ecology and Society: Frontiers and Boundaries" / 3 - 7 June 2019


Last update Thursday 07 February 2019

CNRS researcher, PC2A Lille

Coralie Schoemaecker received her PhD thesis, focused on the development of laser-based techniques for the quantification of reactive species and soot in flames, in 2002 at the University of Lille.  After a post-doctoral position in the Netherlands on laser diagnostics applied to turbulent flows, she works since 2005 as a CNRS researcher at the University of Lille. Her research interests are the understanding of chemical processes involving reactive species like HOx radicals, in the context of atmospheric chemistry and indoor air chemistry. She is involved in the development and use of laser based instruments dedicated to the quantification of reactive species in atmospheric conditions. She participates and organises field campaigns indoors and outdoors, involving instruments with high temporal resolution, in order to study more specifically the oxidation processes taking place in these environments and their impact on air quality. She is involved in the COST network INDAIRPOLLNET (Indoor Air Pollution Network) as leader of a working group dedicated to the identification of key species to be measured indoors during future measurements campaigns.

Talk on Thursday 6th June

> Indoor and atmospheric environments: interaction, similarities and differences

In developed countries, we spend 80-90% of our time indoors where we receive most of our exposure to air pollution. Despite this fact, regulation for air pollution focuses on outdoors. In order to better quantify the indoor exposure to pollutants and to reduce it, it is necessary to understand the processes driving the pollutants indoors. It can be done through an approach similar to the study of atmosphere (emission quantification, chemical processes understanding, coupling of measurements in laboratory, real environments and modelling) but the importance of the different processes may differ from the atmosphere due to indoor environments specificities : presence of windows and artificial lights modifying the light characteristics compared to outdoors, specific indoor materials and related emissions combined with high surface/volume ratio, high influence of human emissions (direct or linked to their activities) due to closed environment conditions, variable outdoor air input, related to outdoor air composition and ventilation system, etc. The presentation will describe the main sources of pollutants indoors, the main differences between chemical processes taken place indoors and outdoors and the experimental and modelling approaches used to characterize indoor environments.