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EPFL scientists develop affordable air pollution analysis

EPFL scientists develop affordable air pollution analysis
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Athanasios Nenes , Satoshi Takahama , Nikunj Dudani , Laboratory Of Atmospheric , Atmospheric Processes , ஆய்வகம் ஆஃப் வளிமண்டலம் , வளிமண்டலம் ப்ரோஸெஸஸ் ,

Planting oats to study effects of air pollution


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. ....

Kalliopi Violaki , Alexandre Buttler , Andrea Arangio , Athanasios Nenes , Alain Herzog , Bois Chamblard Foundation , Laboratory Of Atmospheric , Plant Ecology Research Laboratory , School Of Architecture , Lake Geneva , Environmental Engineering , Atmospheric Processes , Emeritus Alexandre , அலெக்ஸாண்ட்ரே பட்லர் , அலன் ஹெர்சாக் , ஆய்வகம் ஆஃப் வளிமண்டலம் , பள்ளி ஆஃப் கட்டிடக்கலை , ஏரி ஜிநீவ , சுற்றுச்சூழல் பொறியியல் , வளிமண்டலம் ப்ரோஸெஸஸ் ,

Californian smoke drifted as far as Europe in 2020 and caused heavy clouding of sun


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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.
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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 ....

United States , Atlantic Ocean , Sebastian Bley , Holger Baars , Tilo Arnhold , Martin Radenz , Ulla Wandinger , Geophysical Research Letters , Aeolus Tropical Campaign June , Office For Radiation Protection Bf , Leibniz Institute For Tropospheric Research , European Space Agency , Mission Aeolus , German Aerospace Center , Department Remote Sensing Of Atmospheric , University Of Toulouse , Centre National De Recherches , Central Europe , Leibniz Institute , Tropospheric Research , Laser Doppler , Detection And , Experimental Validation , North America , Aerosol Optical Thickness , Federal Office ,