Please use this identifier to cite or link to this item: http://hdl.handle.net/11452/28562
Title: Air-soil exchange of PCBs: Levels and temporal variations at two sites in Turkey
Authors: Uludağ Üniversitesi/Mühendislik Fakültesi/Çevre Mühendisliği Bölümü.
Yolsal, Didem
Salihoğlu, Güray
Taşdemir, Yücel
AAG-9468-2021
AAG-9399-2021
36191510700
8551769300
6603118338
Keywords: Flux
Movement
Congeners
Temperature
Season
Polychlorinated-biphenyls pcbs
Polycyclic aromatic-hydrocarbons
Persistent organic pollutants
Historical emission inventory
Dry deposition
Organochlorine pesticides
Agricultural soils
Surface soils
Urban soils
Congeners
Environmental sciences & ecology
Issue Date: Mar-2014
Publisher: Springer Heidelberg
Citation: Yolsal, D. vd. (2014). "Air-soil exchange of PCBs: Levels and temporal variations at two sites in Turkey". Environmental Science and Pollution Research, 21(5), 3920-3935.
Abstract: Seasonal distribution of polychlorinated biphenyls (PCBs) at the air-soil intersection was determined for two regions: one with urban characteristics where traffic is dense (BUTAL) and the other representing the coastal zone (Mudanya). Fifty-one air and soil samples were simultaneously collected. Total PCB (I (82) pound PCB) levels in the soil samples collected during a 1-year period ranged between 105 and 7,060 pg/g dry matter (dm) (BUTAL) and 110 and 2,320 pg/g dm (Mudanya). Total PCB levels in the gaseous phase were measured to be between 100 and 910 pg/m(3) (BUTAL) and 75 and 1,025 pg/m(3) (Mudanya). Variations in the concentrations were observed depending on the season. Though the PCB concentrations measured in the atmospheres of both regions in the summer months were high, they were found to be lower in winter. However, while soil PCB levels were measured to be high at BUTAL during summer months, they were found to be high during winter months in Mudanya. The direction and amount of the PCB movement were determined by calculating the gaseous phase change fluxes at air-soil intersection. While a general PCB movement from soil to air was found for BUTAL, the PCB movement from air to soil was calculated for the Mudanya region in most of the sampling events. During the warmer seasons PCB movement towards the atmosphere was observed due to evaporation from the soil. With decreases in the temperature, both decreases in the number of PCB congeners occurring in the air and a change in the direction of some congeners were observed, possibly caused by deposition from the atmosphere to the soil. 3-CB and 4-CB congeners were found to be dominant in the atmosphere, and 4-, 5-, and 6-CBs were found to dominate in the surface soils.
URI: https://doi.org/10.1007/s11356-013-2353-y
https://onlinelibrary.wiley.com/doi/full/10.1111/jfpe.12309
http://hdl.handle.net/11452/28562
ISSN: 0944-1344
1614-7499
Appears in Collections:Scopus
Web of Science

Files in This Item:
There are no files associated with this item.


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.