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. 2015 Jul 15;9:533–550. doi: 10.1007/s11869-015-0359-y

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© The Author(s) 2015

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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.

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Fig. 3 — Averaged in the measuring period mass contributions to PM of secondary organic matter (SOM), primary organic matter (POM), elemental carbon (EC), secondary inorganic matter (SIM), mineral matter (MM), anthropogenic trace matter (ATM), and unidentified matter (UM)