SEABED

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Technology and equipment of deep-sea mining:State of the art and perspectives
《Earth Energy Science》2025年第1期65-84,共20页Qi Zhang Xuguang Chen Lubao Luan Fei Sha Xuelin Liu 
the National Science Fund for Distinguished Young Scholars(Grant No.52225107);National Key Research and Development Program of China(Grant No.2021YFC2801503)for funding provided to this work.
Rising demand for minerals and metals in high-tech and new energy industries has led to a great interest in exploration of seabed mineral resources.Such resources,including polymetallic nodule(PMN),polymetallic sulphi...
关键词：Seabed mineral Deep-sea mining Mining vehicle Lifting system Support vessel 
Dynamic Analysis of the Interaction Between Catenary Riser and Soft Seabed
《China Ocean Engineering》2025年第1期73-85,共13页YU Jian-xing LIU Peng-fei YU Yang JIA Lu-sheng LIU Yi LIU Xin 
financially supported by the National Natural Science Foundation of China(Grant Nos.51879189 and 52071234).
This study proposed a novel experimental platform to conduct dynamic loading tests of a truncated model steel catenary riser(SCR)within the touchdown zone(TDZ).The facilities of the platform,including a soil tank,a lo...
关键词：steel catenary riser(SCR) clay seabed steel pipe riser-seabed interaction touchdown zone(TDZ) 
Wave Attenuation due to Stratified Porous Structure with Stepped Seabed
《哈尔滨工程大学学报(英文版)》2024年第4期844-866,共23页Ashna Varghese K.R.Athul Krishna D.Karmakar 
Science and Engineering Research Board(SERB),Department of Science&Technology(DST),Government of India for supporting financially under the research grant No.CRG/2018/004184;Ministry of Ports,Shipping and Waterways,Government of India through the research grant No.DW/01013(13)/2/2021.
The wave interaction with stratified porous structure combined with a surface-piercing porous block in a stepped seabed is analysed based on the small amplitude wave theory.The study is performed to analyse the effect...
关键词：Stratified porous structure Surface-piercing Porous block Stepped seabed Eigenfunction expansion method Wave force 
Microseismic observations reveal that internal waves intensify seabed methane release
《Science China Earth Sciences》2024年第10期3186-3203,共18页Zhaoyang TIAN Yonggang JIA Junjiang ZHU Tian CHEN Hui WANG Chunsheng JI Chengyu LIU Longyu LU Manchao HE 
supported by the National Natural Science Foundation of China (Grant No.41831280)。
Internal waves transport material and energy from the upper water column to the deep ocean, disturbing seabed sediments and resulting in phenomena such as seabed erosion and changes in topography. On the northern slop...
关键词：Internal waves Seabed methane release Microseismic observation Ocean bottom seismometer Northern slope of the South China Sea 
Baseline radon concentration in seawater-seabed interface of the central Yellow Sea: implications for monitoring offshore geological CO_(2) storage site
《Episodes》2024年第3期653-670,共18页Dawoon Yeom Yejin Park Young Jae Shinn Yong Hwa Oh Sookwan Kim Sang-Hoon Lee 
supported by the Korea Institute of Energy Technology Evaluation and Planning(KETEP)and Ministry of Trade,Industry&Energy(MOTIE)of the Republic of Korea(No.20212010200020);This study was also supported by Korea CCUS Association(K-CCUS)grant funded by the Korea Government(MOE,MOTIE)(KCCUS20220001,Human Resources Program for Reduction of Greenhouse Gases).
This study presents the concentration of radon-222(Rn)in bottom seawater and seawater 10 m above the seabed in the central Yellow Sea,where CO_(2) geological storage is considered.Five sampling points were selected,co...
关键词：buried faults sampling points geological CO storage 
Inversion of Seabed Geotechnical Properties in the Arctic Chukchi Deep Sea Basin Based on Time Domain Adaptive Search Matching Algorithm
《Journal of Ocean University of China》2024年第4期933-942,共10页AN Long XU Chong XING Junhui GONG Wei JIANG Xiaodian XU Haowei LIU Chuang YANG Boxue 
supported by the National Key R&D Program of China (No.2021YFC2801202);the National Natural Science Foundation of China (No.42076224);the Fundamental Research Funds for the Central Universities (No.202262012)。
The chirp sub-bottom profiler,for its high resolution,easy accessibility and cost-effectiveness,has been widely used in acoustic detection.In this paper,the acoustic impedance and grain size compositions were obtained...
关键词：time domain adaptive search matching algorithm acoustic impedance inversion sedimentary grain size Arctic Ocean Chukchi Deep Sea Basin 
Multiparameter Numerical Investigation of Two Types of Moving Interactions Between the Deep-Sea Mining Vehicle Track Plate and Seabed Soil:Digging and Rotating Motions
《China Ocean Engineering》2024年第3期408-423,共16页SUN Peng-fei LYU Hai-ning YANG Jian-min XU Zhi-yong 
supported by the Natural Science Foundation of Hainan Province(Grant No.520LH015);the Fundamental Research Funds for the Central Universities and the Major Projects of Strategic Emerging Industries in Shanghai(Grant No.BH3230001).
To ensure the safe performance of deep-sea mining vehicles(DSMVs),it is necessary to study the mechanical characteristics of the interaction between the seabed soil and the track plate.The rotation and digging motions...
关键词：deep-sea mining vehicle rotating motion digging motion track plate-seabed soil interaction CEL numerical method 
Soil Cover in the Eastern Part of the Dried Bed of the Aral Sea
《Journal of Geoscience and Environment Protection》2024年第6期30-37,共8页Galina Stulina Kamaladin Idirisov 
The greatest environmental disaster in Central Asiathe drying up of the Aral Seahas led to the formation of a new terrain, extending over 2.7 million hectares in Uzbekistan. This newly formed terrain is dynamically de...
关键词：Aral Sea ENVIRONMENTAL Dried Seabed Soil Cover 
Warriors of the Deep
《China Weekly》2024年第6期52-56,共5页Ni Wei Wang Yan 
Floating in the depths of the South China Sea,a robotic arm extending from a submersible attempts to pick up a delicate porcelain jar,directed by an archeologist.They must be careful not to even nudge another artifact...
关键词：depths SEABED SUBMERSIBLE 
Seabed structures and foundations related to deep-sea resource development:A review based on design and research被引量：1
《Deep Underground Science and Engineering》2024年第2期131-148,共18页Shengjie Rui Haojie Zhang Hang Xu Xing Zha Mengtao Xu Kanmin Shen 
Key Research and Development program of Zhejiang Province;Grant/Award Number:2018C03031;The Open Foundation of Key Laboratory of Offshore Geotechnical and Material Engineering of Zhejiang Province,Grant/Award Number:OGME21003;Natural Science Foundation of Zhejiang Province,Grant/Award Numbers:LHZ19E090003,LY15E090002;Norges Forskningsr?d,Grant/Award Number:OGME21003;National Natural Science Foundation of China,Grant/Award Numbers:51209183,51779220,52101334。
The deep‐sea ground contains a huge amount of energy and mineral resources,for example,oil,gas,and minerals.Various infrastructures such as floating structures,seabed structures,and foundations have been developed to...
关键词：ANCHORS floating structures pipelines RISERS subsea foundations 
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