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. 2022 Sep 8;9:551. doi: 10.1038/s41597-022-01656-0

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© The Author(s) 2022

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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Fig. 2 — Top: Time series of the daily average 95th percentiles of clutter reflectivity. The dashed black lines represent the base line for the selected periods. The colors indicate the daily clutter pixel counts. Middle: Time series of the matched space borne (SR) and ground based radar (GR) reflectivity differences between 2014 and 2019. The colors indicate the number of matched samples and the error bar shows the standard deviation of the reflectivity differences. The dashed black lines represent the mean of all matched points within the chosen time periods. Bottom: Time series of Z_DR offsets derived with the birdbath method. The blue line is the moving mean with a 3 months window size and the dashed black lines represent the mean of all points within the chosen time periods. The colors represent the standard deviation of the daily Z_DR offset.