Concentration and chemical composition of PM2.5 and PM10-2.5 in the Northeastern Mediterranean

Date

2006-09-01

Author

Kubilay, Nilguen
Koçak, Mustafa
Mihalopoulos, Nikos

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

212
views

0
downloads

Two stage aerosol samples (PM10-2.5 and PM2.5) were collected at a rural site (Erdemli) located on the coast of the Northeastern Mediterranean, between April 2001 and April 2002. A total of 581 aerosol samples were analysed for trace elements (Fe, Ti, Mn, Ca, V, Ni, Zn, Cr) and water soluble ions (Na+, NH4+, K+, Mg2+, Ca2+, Cl-, Br-, NO3-, SO42-, C2O42- and MS-). The annual mean PM10 and PM2.5 levels were 36.4 +/- 27.8 mu g m(-3) and 9.7 +/- 5.9, respectively. The highest levels of PM10 were observed during the transition period (March, April and May) due to mineral dust transported from North Africa and during winter due to sea spray generation. However, PM2.5 levels exhibited higher concentrations during summer resulting from an enhanced production of secondary aerosols. PM10, crustal elements, sea salt aerosols and NO3- were mainly associated with the coarse mode whereas nssSO(4)(2-), C2O42-, MS-, NH4+, Cr and Ni were found predominantly in the fine fraction. Ionic balance analysis performed in the coarse and fine aerosol fractions indicated anion and cation deficiency due to CO32- and H+, respectively. A relationship between nssSO(4)(2-) and NH4+ denoted that sulphate particles were partially neutralized (70%) by ammonium. Excess-K/BC presented two distinct ratios for winter and summer, indicating two different sources: Fossil fuel burning in winter and biomass burning in summer.

Subject Keywords

PM2.5, Turkey, Eastern Mediterranean, Saharan dust, Air quality, PM10

URI

https://hdl.handle.net/11511/56127

Conference Name

NATO Advanced Research Workshop on Regional Climate Variability and its Impacts in the Mediterranean Area

Collections

Graduate School of Marine Sciences, Conference / Seminar

Suggestions

OpenMETU
Core

Contributions of natural sources to high PM10 and PM2.5 events in the eastern Mediterranean Koçak, Mustafa; Kubilay, Nilgun (2007-06-01) In total 562 daily PM10 and PM2.5 samples were collected from April 2001 to April 2002 at a rural site (Erdemli) located on the coast of the Eastern Mediterranean. The annual mean PM10 and PM2.5 levels were 36.4 +/- 27.8 and 9.7 +/- 5.9 mu g m(-3), respectively. PM10 and PW2.5 concentrations indicated orders of magnitude change from day to day (PM10 = 2-326 mu g m(-3); PM2.5 = 0.5-28 mu g m(-3)). The highest levels of PM10 were observed during the transition period (March, April and May) due to mineral dust...
Chemical composition of the fine and coarse fraction of aerosols in the northeastern Mediterranean Koçak, Mustafa; Kubilay, Nilguen (2007-11-01) Two-stage aerosol samples (PM10-2.5 and PM2.5) were collected at a coastal rural site located in the northeastern Mediterranean, between April 2001 and 2002. A total of 562 aerosol samples were analyzed for trace elements (Fe, Ti, Mn, Ca, V, Ni, Zn, Cr) and water-soluble ions (Na+, NH4+, K+, Mg2+, Ca2+, Cl-, Br-, NO3-, SO42-, C2O42- and 3 4 4 MS-:methane sulfonate). PM10, crustal elements, sea salt aerosols and NO3- were mainly associated with the coarse mode SO42-, C2O42-; whereas non-sea salt (nss) SO42-,...
CHEMICAL CHARACTERIZATION AND SPECIATION OF THE MACRO NUTRIENTS IN THE ATMOSPHERIC PARTICLES, DRY AND WET DEPOSITION MODES OVER THE EASTERN MEDITERRENEAN: SOURCE AREAS, BIO-AVAILABILITY AND IMPACT OF ATMOSPHERIC INPUTS ON MARINE PRODUCTIVITY Nehir, Münevver; Koçak , Mustafa; Department of Oceanography (2016-10-10) Two stage aerosol (coarse: PM10-2.5 and fine: PM2.5) and rainwater samples were collected at a rural site (Erdemli) located on the coast of the eastern Mediterranean, between January 2014 and April 2015. Concentrations of the water-soluble nitrogen species (organic nitrogen (WSON), nitrate, ammonium, total nitrogen (WSTN) and urea) were measured in a total of 740 aerosol and 23 rainwater samples. Among the nitrogen species, WSON (24.6 ± 16.3 nmol N m-3) denoted the highest arithmetic mean and followed by am...
Influence of mineral dust transport on the chemical composition and physical properties of the Eastern Mediterranean aerosol Koçak, Mustafa; Zarmpas, P.; Seguret, M. J. M.; Herut, B.; Kallos, G.; Mihalopoulos, N.; Kubilay, N.; Nimmo, M. (2012-09-01) Bulk aerosol samples were collected from three different coastal rural sites located around the Eastern Mediterranean, (i) Erdemli (ER), Turkey, (ii) Heraklion (HR), Crete, Greece, and (iii) Tel Shikmona (TS), Israel, during two distinct mineral dust periods (October, 2007 and April, 2008) in order to explore the temporal and geographical variability in the aerosol chemical composition. Samples were analyzed for trace elements (Al, Fe, Mn, Ca, Cr, Zn, Cu, V, Ni, Cd, Pb) and water-soluble ions (Cl-, NO3-, SO...
Chemical characteristics of atmospheric aerosols in a rural site of northwestern Anatolia Yenisoy-Karakas, S; Tuncel, Süleyman Gürdal (1997-09-01) Aerosol samples were collected daily at a rural mountainous site of northwestern Anatolia during September 1993-April 1994. Concentrations of SO42-, NO3-, Cl-, NH4+, Na+, K+, Ca2+ and Mg2+ have been determined. Sulfate made up the 30% analyzed aerosol mass with a 2.14 mu gm(-3) average concentration. Measured concentrations were comparable with other rural area data except Ca2+ which was higher in our station with an average concentration of 1.12 mu gm(-3). Monthly concentrations of major ions fluctuate dep...

Citation Formats

N. Kubilay, M. Koçak, and N. Mihalopoulos, “Concentration and chemical composition of PM2.5 and PM10-2.5 in the Northeastern Mediterranean,” Marrakech, MOROCCO, 2006, vol. 79, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/56127.