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. 2020 Jun 22;10:10066. doi: 10.1038/s41598-020-66891-0

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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(a) Sunday-to-week column ratios averaged over 2005–2007 and over 2015–2017 for U.S. cities (average of 18 cities weighted by population), and for New York, Los Angeles and Chicago as observed by OMI. (b) Same for ratios calculated with the MAGRITTE model simulation R2. (c) Average observed and modelled weekly cycle for U.S. cities over 2005–2007 and 2015–2017.