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| Content Provider | Springer Nature Link |
|---|---|
| Author | Chen, Bufeng Pei, Nancai Huang, Junbiao Liu, Shuguang Zhang, Na Xiao, Yihua Pan, Yongjun |
| Copyright Year | 2015 |
| Abstract | Polycyclic aromatic hydrocarbon (PAH) concentrations and fluxes were measured monthly in situ from rain events in an urban forest in the megapolitan city Guangzhou, China, to investigate impacts of forest canopy and soils on PAHs. Mean Σ9-PAH concentrations were 107.5, 101.6, 106.3, 107.1 and 42.4 ng L−1 in precipitation, throughfall, seepage water at the 30 and 60 cm soil depth, and runoff, respectively, indicating a great decrease in the form of runoff. Meanwhile, annual fluxes of total PAHs decreased from precipitation (205.9 µg m−2 year−1), to throughfall (156.3 µg m−2 year−1), and to seepage water (65.3 µg m−2 year−1 at 30-cm soil depth and 7.5 µg m−2 year−1 at 60-cm soil depth), but increased in runoff (34.1 µg m−2 year−1). When compared to precipitation, PAH fluxes decreased by 83.4 % in runoff, with 29 % contributed by forest canopy and 71 % by soils. Soil biodegradation explained 18.2 % of PAH reduction by the surface soil layer and 34.6 % by the middle soil layer. |
| Starting Page | 240 |
| Ending Page | 245 |
| Page Count | 6 |
| File Format | |
| ISSN | 00074861 |
| Journal | Bulletin of Environmental Contamination and Toxicology |
| Volume Number | 95 |
| Issue Number | 2 |
| e-ISSN | 14320800 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2015-05-29 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Forest ecosystem Organic contaminants Ecological functions Wet deposition Scavenging efficiency Pollution Environmental Health Ecotoxicology Soil Science & Conservation Environmental Chemistry Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Pollution Medicine Toxicology |
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