Knowledge Management System Of Institute of Earth Environment, CAS
The impact of energetic tropical cyclones (typhoons) on the modern sediment magnetism along the South China coast | |
Li, Mingkun1,4; Chen, Wenshen2; Ouyang, Tingping1; He, Chenjian1,3; Kuang, Yuxing1; Peng, Shasha3 | |
通讯作者 | Li, Mingkun(limk@m.scnu.edu.cn) ; Ouyang, Tingping(oyangtp@m.scnu.edu.cn) |
2021-07-15 | |
发表期刊 | CONTINENTAL SHELF RESEARCH |
ISSN | 0278-4343 |
卷号 | 224页码:12 |
摘要 | Tropical cyclones (TCs) often affect the surface sediments of coastal areas, and impact the sediment imprint. Although the sediment magnetism is sensitive to coastal changes, the understanding of the coastal magnetic minerals' redistribution affected by TCs is far from adequate. Here, the magnetic and grain-size records from the seafloor sediments along the Leizhou Peninsula coast in South China before and after two violent TCs (Mangkhut and Barijat) occurred in September 2018 are present. The magnetic minerals mainly consist of magnetite, hematite, and goethite. For most sites, the content of hematite increased compared to magnetite and the magnetic minerals became coarser after the TCs subsided, while the amount of fine clay (<2 mu m) decreased and the amount of coarse sand (500-2000 mu m) increased. This is due to the preferential deposition of the lamellae hematite from the soils and the enhanced hydrodynamic transportation of suspended sediments. The mangrove forest resists the change to a certain degree, especially in the Leizhou Bay. The magnetic and grain-size properties are sensitive to the TC-induced deposits, and provide convincing tools to aid in detecting the paleo-TC activity in tropical coastal regions. |
关键词 | Tropical cyclone Environmental magnetism Leizhou peninsula South China Grain size |
DOI | 10.1016/j.csr.2021.104447 |
关键词[WOS] | ENVIRONMENTAL MAGNETISM ; CARBON SEQUESTRATION ; ACQUISITION CURVES ; LEIZHOU PENINSULA ; SEA ; STORM ; COMPONENTS ; RIVER ; GULF ; SIGNATURES |
收录类别 | SCI ; SCI |
语种 | 英语 |
资助项目 | Guangdong Natural Science Foundation[2018B030311056] ; Guangdong Natural Science Foundation[2019A1515110195] ; China Postdoctoral Science Foundation[2019M652936] ; Open Fund of State Key Laboratory of Loess and Quaternary Geology (SKLLOG2016) |
WOS研究方向 | Oceanography |
项目资助者 | Guangdong Natural Science Foundation ; China Postdoctoral Science Foundation ; Open Fund of State Key Laboratory of Loess and Quaternary Geology (SKLLOG2016) |
WOS类目 | Oceanography |
WOS记录号 | WOS:000672158300001 |
出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ieecas.cn/handle/361006/16832 |
专题 | 黄土与第四纪地质国家重点实验室(2010~) |
通讯作者 | Li, Mingkun; Ouyang, Tingping |
作者单位 | 1.South China Normal Univ, Sch Geog, Guangzhou 510631, Peoples R China 2.State Ocean Adm, Zhuhai Cent Stn Marine Environm Monitoring, Zhuhai 519015, Peoples R China 3.Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Ocean & Marginal Sea Geol, Guangzhou 510640, Peoples R China 4.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China |
推荐引用方式 GB/T 7714 | Li, Mingkun,Chen, Wenshen,Ouyang, Tingping,et al. The impact of energetic tropical cyclones (typhoons) on the modern sediment magnetism along the South China coast[J]. CONTINENTAL SHELF RESEARCH,2021,224:12. |
APA | Li, Mingkun,Chen, Wenshen,Ouyang, Tingping,He, Chenjian,Kuang, Yuxing,&Peng, Shasha.(2021).The impact of energetic tropical cyclones (typhoons) on the modern sediment magnetism along the South China coast.CONTINENTAL SHELF RESEARCH,224,12. |
MLA | Li, Mingkun,et al."The impact of energetic tropical cyclones (typhoons) on the modern sediment magnetism along the South China coast".CONTINENTAL SHELF RESEARCH 224(2021):12. |
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