Role of low-latitude forests in modulating forest filter effect on a continental scale: Long-term simulation on PCB-153 in Chinese forests
Xu, Yue1; Tian, Chongguo2; Nizzetto, Luca3,4; Zhang, Gan5
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
2021-07-15
Volume778Pages:8
KeywordForest filter effect Low-latitude forests Enhanced degradation PCB-153 outflow reduction
DOI10.1016/j.scitotenv.2021.146285
Corresponding AuthorXu, Yue(xu-yue@mail.gyig.ac.cn)
AbstractForests are important compartments influencing the environmental fate of persistent organic pollutants (POPs). To illustrate the effect of forests on the regional cycle of POPs, a level IV fugacity fate and transport model coupled with a detailed dynamic-forest module was applied to simulate the long-term variations of PCB-153 in China, where forest coverage accounts for approximately one fifth of land area. In the scenarios with forests, atmospheric outflow from China was 69% of that in the scenario without forests due to the enhanced storage in soil, degradation, and leaching. Previous studies regarded high-latitude areas, such as the polar region and boreal forests, as environments capable of reducing mobility of PCB-153, and they act as sinks of POPs. This modeling result suggests that tropical and subtropical forests may also play a similar role despite high temperatures favoring volatilization. Unlike boreal forest, the low-latitude forests may reduce the overall lifetime of PCB-153 in China due to enhanced degradation in warmer and moist soils of the tropical and subtropical area. Given that approximately half of the global forests are located in tropical and subtropical regions, they can be important environments influencing the global geochemical cycle and distribution of POPs, hence deserving more scientific attention by modeling and empirical studies. (c) 2021 Elsevier B.V. All rights reserved.
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; National Key Research and Development Program of China (ATMSYC) ; Strategic Priority Research Programs of the Chinese Academy of Sciences ; Pan-Third Pole Environment Study for a Green Silk Road (Pan-TPE)
Indexed BySCI
Language英语
WOS KeywordPERSISTENT ORGANIC POLLUTANTS ; POLYCHLORINATED-BIPHENYLS ; ENVIRONMENTAL FATE ; SOIL ; AIR ; MODEL ; VEGETATION ; EXCHANGE ; PHOTOSYNTHESIS ; CONDUCTANCE
WOS Research AreaEnvironmental Sciences & Ecology
WOS IDWOS:000655719100007
Citation statistics
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/29419
Collection中科院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
中科院海岸带环境过程与生态修复重点实验室
Corresponding AuthorXu, Yue
Affiliation1.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550002, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Peoples R China
3.Norwegian Inst Water Res NIVA, Gaustadalleen 21, N-0349 Oslo, Norway
4.Masarik Univ, RECETOX, Kamenice 753-5, Brno 62500, Czech Republic
5.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China
Recommended Citation
GB/T 7714
Xu, Yue,Tian, Chongguo,Nizzetto, Luca,et al. Role of low-latitude forests in modulating forest filter effect on a continental scale: Long-term simulation on PCB-153 in Chinese forests[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,778:8.
APA Xu, Yue,Tian, Chongguo,Nizzetto, Luca,&Zhang, Gan.(2021).Role of low-latitude forests in modulating forest filter effect on a continental scale: Long-term simulation on PCB-153 in Chinese forests.SCIENCE OF THE TOTAL ENVIRONMENT,778,8.
MLA Xu, Yue,et al."Role of low-latitude forests in modulating forest filter effect on a continental scale: Long-term simulation on PCB-153 in Chinese forests".SCIENCE OF THE TOTAL ENVIRONMENT 778(2021):8.
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