Ionic composition of PM2.5 at urban sites of northern Greece: secondary inorganic aerosol formation

Environmental Science and Pollution Research International
D VoutsaP Tzoumaka

Abstract

This study investigates the water-soluble ionic constituents (Na(+), K(+), NH4 (+), Ca(2+), Mg(2+), Cl(-), NO3 (-), SO4 (2-)) associated to PM2.5 particle fraction at two urban sites in the city of Thessaloniki, northern Greece, an urban traffic site (UT) and urban background site (UB). Ionic constituents represent a significant fraction of PM2.5 mass (29.6 at UT and 41.5 % at UB). The contribution of marine aerosol was low (<1.5 %). Secondary inorganic aerosols (SIA) represent a significant fraction of PM2.5 mass contributing to 26.9 ± 12.4 % and 39.2 ± 13.2 % at UT and UB sites, respectively. Nitrate and sulfate are fully neutralized by ammonium under the existing conditions. The ionic constituents were evaluated in relation to their spatial and temporal variation, their gaseous precursors, meteorological conditions, local and long-range transport.

References

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Citations

Mar 15, 2014·Environmental Science and Pollution Research International·Theodoros GrigoratosAthanasios Kouras
Jun 13, 2014·Environmental Science and Pollution Research International·D BallaD Voutsa
Nov 26, 2015·Environment International·Chun-Sheng LiangYong-Liang Ma
May 6, 2015·Environmental Science and Pollution Research International·D VoutsaC Samara
Nov 29, 2014·Environmental Science and Pollution Research International·Evangelos I TolisJohn G Bartzis
Oct 17, 2014·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Georgios GaidajisDespoina Aktsoglou
Oct 13, 2016·Environmental Science and Pollution Research International·Huihong GuoWeilun Yin
Feb 2, 2017·Environmental Science and Pollution Research International·Duong Huu HuyNorimichi Takenaka
Sep 10, 2017·Environmental Science and Pollution Research International·Dimitra BallaConstantini Samara
Jul 20, 2020·Environmental Science and Pollution Research International·Deepika KaushalAnkit Tandon
Nov 29, 2017·Environmental Science and Pollution Research International·Yumi KimBong Mann Kim
Jul 15, 2017·Environmental Science and Pollution Research International·Constantini SamaraChariton Sahanidis
Dec 21, 2020·The Science of the Total Environment·Latha RSiddhartha Singh
Sep 6, 2020·The Science of the Total Environment·D SaragaD Sarigiannis

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