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EPFL scientists develop affordable air pollution analysis
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Towards more affordable analysis of air pollution
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The research station at Bois-Chamblard. © Alain Herzog / EPFL
A team of EPFL scientists turned Bois-Chamblard park in Buchillon, on Lake Geneva, into a temporary research station for collecting experimental data. Their goal is to better understand how anthropogenic air pollution affects plant growth.
What role does air pollution play in plant growth? That’s the question a cross-disciplinary team of EPFL scientists has set out to answer. Their research method involves planting oats in boxes in Bois-Chamblard park, which is owned by the Bois-Chamblard Foundation, and measuring how the plants’ exposure to different atmospheric conditions affects their growth. The team has just completed the first part of the experiment by harvesting the oats and soil samples and freezing them for subsequent laboratory analysis.
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IMAGE: Lidar measurement on Friday, 11.09.20, at TROPOS in Leipzig: The smoke cloud (yellow-red) moves over Leipzig from about 2 a.m. UTC (= 4 a.m. CEST) and decreases slightly during the. view more
Credit: Holger Baars, TROPOS
Leipzig. The smoke from the extreme forest fires on the US West Coast in September 2020 travelled over many thousands of kilometres to Central Europe, where it continued to affect the atmosphere for days afterwards. A comparison of ground and satellite measurements now shows: The forest fire aerosol disturbed the free troposphere over Leipzig in Germany as never before. An evaluation by an international research team led by the Leibniz Institute for Tropospheric Research (TROPOS) revealed an extraordinary optical thickness on 11 September 2020, which attenuated sunlight by a third. The study, published in