Major Ion Composition of Dry Deposition in Kirklareli, Turkey

The chemical composition of dry deposition in Kirklareli (Turkey) is presented in this study. During the sampling period, in a total of 28 dry deposition samples which were collected in two stations which are Central District and Kaynarca Town, the concentrations of major cations (Na+, Mg2+, Ca2+, K+, NH4+) and major anions (Cl-, NO3-, SO42-) were determined and pH values were also measured. In both sampling stations, arithmetic mean concentration values of major cations are Ca2+ > NH4+ > K+ > Na+ > Mg2+ and those of major anions are SO42- > Cl- > NO3- in dry deposition samples. By calculating the enrichment factors (EF) of the chemical components and non-sea salt (NSS) concentration values, it has been aimed to determine the ion sources in the dry deposition. Non-sea salt fraction (NSSF) values of Ca2+ and K+ ions are 99% and 96%, respectively, in both sampling stations. Fluxes of dry deposition of ions were calculated. In both stations, among all ions, sulphate ion is the one which has the highest mean dry deposition flux value.

Keywords:

Dry deposition, , ion concentration, enrichment factor,

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