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It is believed that the sediment dispersion of the deep-sea storm is the main dynamic process for the formation of sedimentary laminae in the submarine canyon., authors=LIU Zhifei, ZHANG Yanwei, ZHAO Yulong, authorsList=LIU Zhifei, ZHANG Yanwei, ZHAO Yulong, authorCompany=State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=TxBUtBRM0Ubl8UkTKLdNDA==, pdfFileSize=2626498, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1242138615657079681, articleId=1242138613031448889, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=深海风暴的原位观测, 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科技导报 | 专题:南海深海探索 2020,38(18): 26-29
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科技导报 | 专题:南海深海探索 2020, 38(18): 26-29
深海风暴的原位观测
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刘志飞, 张艳伟, 赵玉龙
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    同济大学海洋地质国家重点实验室, 上海 200092
In-situ observations of deep-sea storms
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出版时间: 2020-09-28 doi: 10.3981/j.issn.1000-7857.2020.18.003
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深海风暴是高悬浮颗粒浓度水体在深海近海底的快速运动,能够损坏甚至摧毁一切障碍物,改变海底地形,影响深海底栖生态环境,但对其发生过程和沉积记录的认识尚缺乏原位观测研究。选择南海东北部台湾岸外高屏海底峡谷堤岸,通过布放锚系原位观测了2016年9月一次由浊流活动引发深海风暴的沉积物弥散发生过程,发现其表现为近海底悬浮颗粒浓度快速增加,并伴随温度升高和盐度降低。研究认为,深海风暴的沉积物弥散是海底峡谷沉积纹层形成的主要动力过程。
深海风暴  /  沉积纹层  /  锚系原位观测  /  高屏海底峡谷  /  南海
The deep-sea storm involves the rapid movement of the water with high suspended particle concentration near the bottom of the deep sea. It can damage or even destroy all obstacles, change the submarine topography, and affect the benthic ecological environment. However, in-situ observational studies of its occurrence and the sedimentary record were few and far between. This paper studies the sediment dispersion process of a deep-sea storm in September 2016 caused by the turbidity current activity and observed in situ by deploying a mooring system on the levee of the Gaoping Submarine Canyon in the northeastern South China Sea. It is shown that the suspended particle concentration in places near the bottom increases rapidly with the increase of the temperature and the decrease of the salinity. It is believed that the sediment dispersion of the deep-sea storm is the main dynamic process for the formation of sedimentary laminae in the submarine canyon.
deep-sea storm  /  sedimentary laminae  /  in-situ mooring observation  /  Gaoping Submarine Canyon  /  South China Sea
刘志飞, 张艳伟, 赵玉龙. 深海风暴的原位观测. 科技导报, 2020 , 38 (18) : 26 -29 . DOI: 10.3981/j.issn.1000-7857.2020.18.003
LIU Zhifei, ZHANG Yanwei, ZHAO Yulong. In-situ observations of deep-sea storms[J]. Science & Technology Review, 2020 , 38 (18) : 26 -29 . DOI: 10.3981/j.issn.1000-7857.2020.18.003
2020年第38卷第18期
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doi: 10.3981/j.issn.1000-7857.2020.18.003
  • 接收时间:2020-05-07
  • 首发时间:2020-11-04
  • 出版时间:2020-09-28
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  • 收稿日期:2020-05-07
  • 修回日期:2020-07-05
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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