Chemical characterization of surface snow in Istanbul (NW Turkey) and their association with atmospheric circulations
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The understanding of the impurities in natural snow is important in realizing its atmospheric quality, soil characteristics, and the pollution caused to the environment. Knowledge of the occurrence of major ions and trace metals in the snow in the megacity of Istanbul is very limited. This manuscript attempts to understand the origin of major soluble ions (fluoride, acetate, formate, chlorite, chloride, nitrite, chlorate, bromide, nitrate, sulfate, phosphate, and perchlorate) and some trace metals (Fe, Mn, Cd, Co, Ni, Pb, Zn, Cu) in winter surface snow, collected in Istanbul, Turkey. The sampling of the surface snow was conducted after each precipitation during the winter of 2015–2016 at three sites in the city. Besides the statistical evaluation of the major ions, and some trace metal concentrations, the chemical variations along with atmospheric circulations, which are important modification mechanisms that influence the concentrations, were investigated in the study. At examined locations and times, 12 major anions were investigated and in these anions fluoride, chlorite, chlorate, bromide, and perchlorate in the snow samples were below the detection limit; only SO4 2−, NO3 −, and CI− were found to be in the range of 1.11–17.90, 0.75–4.52, and 0.19–3.01 mg/L. Also, according to the trace element determination, the concentration was found to be 29.2–53.7, 2.0–16.1, 1.0–2.2, 50.1–71.1, 24.2–35.2, ND–7.9, 43.2–106.6, and 3.0–17.7 μg/L for Fe, Mn, Cd, Co, Ni, Pb, Zn, and Cu, respectively. The major anions and investigated trace elements here originated mainly from anthropogenic and atmospheric circulation and mainly influenced by northerly and southerly circulation patterns. While the main limitations in the present study may be the low number of samples that may not be entirely representative, accurately reflect identification, or support other previously observed local measurements, we believe that the type of data presented in this study has the potential to be used in the field of environmental risk assessment and, as result, for human health.
KeywordsIstanbul Snow Major ions Trace elements Meteorological conditions Atmospheric circulations
The author would like to express their thanks to Prof. Dr. Hasan Saygin (Istanbul Aydin University) for the contribution on the source and sink relation.
- Anadolu Agency (AA). (2016). Istanbul schools to stay closed Monday, flights cancelled. Resource document Anadolu Agency. http://aa.com.tr/en/turkey/istanbul-schools-to-stay-closed-monday-flights-cancelled/506485. Accessed 10 April 2017.
- Anil, I., Golcuk K., Karaca, F (2014) ATR-FTIR Spectroscopic study of functional groups in aerosols: the contribution of a Saharan dust transport to urban atmosphere in Istanbul, Turkey. Water, Air, and Soil Pollution. 225, 1898.Google Scholar
- Baltacı, H., Kındap, T., Ünal, A., Karaca, M. (2017). The influence of atmospheric circulation types on regional patterns of precipitation in Marmara (NW Turkey). Theoretical and Applied Climatology. 127, 563–572.Google Scholar
- Caglayan, C., Hogg J., Aslan, M. (editing by Tattersall N., Williams A.) (2015). Hundreds of flights canceled as Istanbul hit by heavy snow. Resource document Reuters. http://www.reuters.com/article/us-turkey-weather-idUSKBN0UE0KM20151231. Accessed 10 April 2017.
- Caritat, P. d., Hall, G., Gislason, S., Belsey, W., Braun, M., Goloubeva, N. I., Olseng, H. K., Scheieh, J. O., & Vaive, J. E. (2005). Chemical composition of arctic snow: concentration levels and regional distribution of major elements. Science of the Total Environment, 336, 183–199.CrossRefGoogle Scholar
- Cereceda-Balic, F., Palomo-Marín, M. R., Bernalte, E., Vidal, V., Christie, J., Fadic, X., Guevara, J. L., Miro, C., & Pinilla Gil, E. (2012). Impact of Santiago de Chile urban atmospheric pollution on anthropogenic trace elements enrichment in snow precipitation at Cerro Colorado, Central Andes. Atmospheric Environment, 47, 51e57.CrossRefGoogle Scholar
- Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., Bergin, M., Bottenheim, J., Boxe, C. S., Carver, G., Chen, G., Crawford, J. H., Domine, F., Frey, M. M., Guzman, M. I., Heard, D. E., Helmig, D., Hoffmann, M. R., Honrath, R. E., Huey, L. G., Hutterli, M., Jacobi, H. W., Klan, P., Lefer, B., McConnell, J., Plane, J., Sander, R., Savarino, J., Shepson, P. B., Simpson, W. R., Sodeau, J. R., von Glasow, R., Weller, R., Wolff, E. W., & Zhu, T. (2007). An overview of snow photochemistry: evidence, mechanisms and impacts. Atmospheric Chemistry and Physics, 7, 4329–4373.CrossRefGoogle Scholar
- Kalnay, E., Kanamitsu, M., Kistler, R., Collins, W., Deaven, D., Gandin, L., Iredell, M., Saha, S., White, G., Wollen, J., Zhu, Y., Chelliah, M., Ebisuzaki, W., Higgins, W., Janowiak, J., Mo, K. C., Ropelewski, C., Wang, J., Leetmaa, A., Reynolds, R., Jenne, R., & Joseph, D. (1996). The NCEP/NCAR 40 year reanalysis project. Bulletin of the American Meteorological Society, 77, 437–471.CrossRefGoogle Scholar
- Kanakidou, M., Mihalopoulos, N., Kindap, T., Im, U., Vrekoussis, M., Gerasopoulos, E., Dermitzaki, E., Unal, A., Koçak, M., Markakis, K., Melas, D., Kouvarakis, G., Youssef, A. F., Richter, A., Hatzianastassiou, N., Hilboll, A., Ebojie, F., Wittrock, F., von Savigny, C., Burrows, J. P., Ladstaetter-Weissenmayer, A., & Moubasherg, H. (2011). Megacities as hot spots of air pollution in the East Mediterranean. Atmospheric Environment., 45, 1223–45, 1235.Google Scholar
- Lee, K., Hur, S. D., Hou, S., Hong, S., Qin, X., Ren, J., Liu, Y., Rosman, K. J. R., Barbanted, C., & Boutron, C. F. (2008). Atmospheric pollution for trace elements in the remote high-altitude atmosphere in central Asia as recorded in snow from Mt. Qomolangma (Everest) of the Himalayas. Science of the Total Environment, 404, 171–181.CrossRefGoogle Scholar
- OECD (2008). Territorial reviews: Istanbul, Turkey (OECD, Paris.Google Scholar
- Road Motor Vehicle Statistics (2013), Turkish Statistical Institute (printing division, Ankara, 2014.Google Scholar
- Rothrock, H. J. (1969). An aid in forecasting significant lake snows. ESSA Technical Memorandum. WBTM, CR-30, 11.Google Scholar
- USEPA List of Hazardous Air Pollutants (USEPA). (1990). The Clean Air Act Amendments of 1990 List of Hazardous Air Pollutants, https://www3.epa.gov/airtoxics/orig189.html. Accessed Accessed 10 April 2017.
- Vasić, M. V., Mihailović, A., Kozmidis-Luburić, U., Nemes, T., Ninkov, J., Zeremski-Škorić, T., & Antić, B. (2012). Metal contamination of short-term snow cover near urban crossroads: correlation analysis of metal content and fine particles distribution. Chemosphere, 86(6), 585–592.CrossRefGoogle Scholar
- Veysseyre, A., Moutard, K., Ferrari, C., Van de Velde, K., Barbante, C., Cozzi, G., Capodaglio, G., & Boutron, C. (2001). Heavy metals in fresh snow collected at different altitudes in the Chamonix and Maurienne valleys, French Alps: initial results. Atmospheric Environment, 35, 415–425.CrossRefGoogle Scholar