PMID- 34607664 OWN - NLM STAT- MEDLINE DCOM- 20211006 LR - 20211006 IS - 1001-0742 (Print) IS - 1001-0742 (Linking) VI - 109 DP - 2021 Nov TI - Source emissions and climate change impacts on the multimedia transport and fate of persistent organic pollutants, Chaohu watershed, eastern China. PG - 15-25 LID - S1001-0742(21)00074-7 [pii] LID - 10.1016/j.jes.2021.02.028 [doi] AB - Emission intensity and climate change control the transport flux and fate of persistent organic pollutants (POPs) in multiple environmental compartments. This study applied a multimedia model (BETR model) to explore alternations in the spatio-temporal trends of concentrations and transport flux of benzopyrene (BaP), phenanthrene (Phe), perfluorooctane sulfonates (PFOS) and polychlorinated biphenyls (PCBs) in the Chaohu watershed, located in the lower reaches of the Yangtze River, China in response to changes in source emissions and climate. The potential historic and future risks of these pollutants also were assessed. The results suggest that current trends in concentrations and transport were similar to that of their emissions between 2005 and 2018. During the next 100 years, temporal trends and spatial patterns were not predicted to change significantly, which is consistent with climate change. Based on sensitivity and correlation analyses, climate change had significant effects on multi-media concentrations and transport fluxes of BaP, Phe, PFOS and PCBs, and rainfall intensity was the predominant controlling factor. Risk quotients (RQs) of BaP and Phe-in soil increased from 0.42 to 0.95 and 0.06 to 0.35, respectively, from 2005 to 2090, indicating potential risks. The RQs of the other examined contaminants exhibited little potential risk in soil, water, or sediment. Based on spatial patterns, it was inferred that the ecosystem around Lake Chaohu is the most at risk. The study provides insights needed for local pollution control of POPs in the Chaohu watershed. In addition, the developed approach can be applied to other watersheds world-wide. CI - Copyright (c) 2021. Published by Elsevier B.V. FAU - Cao, Xianghui AU - Cao X AD - State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, China. FAU - Huo, Shouliang AU - Huo S AD - State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, China. Electronic address: huosl@craes.org.cn. FAU - Zhang, Hanxiao AU - Zhang H AD - State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, China; Beijing Normal University, Beijing 100874, China. FAU - Zheng, Jiaqi AU - Zheng J AD - State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, China. FAU - He, Zhuoshi AU - He Z AD - State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, China. FAU - Ma, Chunzi AU - Ma C AD - State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, China. FAU - Song, Shuai AU - Song S AD - State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China. LA - eng PT - Journal Article DEP - 20210311 PL - Netherlands TA - J Environ Sci (China) JT - Journal of environmental sciences (China) JID - 100967627 RN - 0 (Water Pollutants, Chemical) SB - IM MH - China MH - *Climate Change MH - Ecosystem MH - Environmental Monitoring MH - Multimedia MH - Persistent Organic Pollutants MH - *Water Pollutants, Chemical/analysis OTO - NOTNLM OT - Climate change OT - Contaminant transport OT - Multimedia model OT - POP emissions OT - Risk assessment EDAT- 2021/10/06 06:00 MHDA- 2021/10/07 06:00 CRDT- 2021/10/05 05:40 PHST- 2021/01/05 00:00 [received] PHST- 2021/02/09 00:00 [revised] PHST- 2021/02/27 00:00 [accepted] PHST- 2021/10/05 05:40 [entrez] PHST- 2021/10/06 06:00 [pubmed] PHST- 2021/10/07 06:00 [medline] AID - S1001-0742(21)00074-7 [pii] AID - 10.1016/j.jes.2021.02.028 [doi] PST - ppublish SO - J Environ Sci (China). 2021 Nov;109:15-25. doi: 10.1016/j.jes.2021.02.028. Epub 2021 Mar 11.