Direct observations of CO2 emission reductions due to COVID-19 lockdown across European urban districts

Nicolini, Giacomo and Antoniella, Gabriele and Carotenuto, Federico and Christen, Andreas and Ciais, Philippe and Feigenwinter, Christian and Gioli, Beniamino and Stagakis, Stavros and Velasco, Erik and Vogt, Roland and Ward, Helen C. and Barlow, Janet and Chrysoulakis, Nektarios and Duce, Pierpaolo and Graus, Martin and Helfter, Carole and Heusinkveld, Bert and Jarvi, Leena and Karl, Thomas and Marras, Serena and Masson, Valery and Matthews, Bradley and Meier, Fred and Nemitz, Eiko and Sabbatini, Simone and Scherer, Dieter and Schume, Helmut and Sirca, Costantino and Steeneveld, Gert-Jan and Vagnoli, Carolina and Wang, Yilong and Zaldei, Alessandro and Zheng, Bo and Papale, Dario. (2022) Direct observations of CO2 emission reductions due to COVID-19 lockdown across European urban districts. SCIENCE OF THE TOTAL ENVIRONMENT, 830. ARTN 154662.

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Official URL: https://edoc.unibas.ch/91514/

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The measures taken to contain the spread of COVID-19 in 2020 included restrictions of people's mobility and reductions in economic activities. These drastic changes in daily life, enforced through national lockdowns, led to abrupt reductions of anthropogenic CO(2 )emissions in urbanized areas all over the world. To examine the effect of social restrictions on local emissions of CO2, we analysed district level CO(2 )fluxes measured by the eddy-covariance technique from 13 stations in 11 European cities. The data span several years before the pandemic until October 2020 (six months after the pandemic began in Europe). All sites showed a reduction in CO2 emissions during the national lockdowns. The magnitude of these reductions varies in time and space, from city to city as well as between different areas of the same city. We found that, during the first lockdowns, urban CO2 emissions were cut with respect to the same period in previous years by 5% to 87% across the analysed districts, mainly as a result of limitations on mobility. However, as the restrictions were lifted in the following months, emissions quickly rebounded to their pre-COVID levels in the majority of sites.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Geowissenschaften > Atmospheric Sciences (Kalberer)
UniBasel Contributors:Stagakis, Stavros and Feigenwinter, Christian and Vogt, Roland
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:12 Jan 2023 08:36
Deposited On:12 Jan 2023 08:36

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