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Research Progress and Prospects of Geohazard Mechanism and Risk Prevention Related to Seabed Fluid Migration

Tian Zhaoyang, Jia Yonggang, Zhu Chaoqi, Lu Longyu, Guo Xu, Feng Xuezhi, Wang Hui, Wang Hongwei, He Manchao, Peng Jianbing

Strategic Study of CAE 2023, Volume 25, Issue 3,   Pages 131-140 doi: 10.15302/J-SSCAE-2023.03.012

Abstract:

Seabed fluid migration is a critical process that involves the transport and movement of liquids, gases, and seawater within and outside the seabed, which has significant impacts on the genesis, development, and evolution of seabed geological disasters. Notably, typical disasters such as submarine landslides in the sea area of China demonstrate a strong relevance with seabed fluid migration phenomena. In this paper, we analyze the distribution characteristics of typical fluid migration system types and geological disaster causes taking the northern South China Sea as an example, and we summarize the observation and investigation methods of seabed fluid migration. Furthermore, we propose the primary issues and content that must be addressed in the study of disasters induced by seabed fluid migration and their prevention and control. Specifically, we suggest that research should focus on the three phases, namely disaster genesis induced by deep high-pressure fluid migration, disaster development caused by gas hydrate decomposition and fluid migration, and disaster triggering resulting from ocean water movement. Based on breakthroughs in technological bottlenecks such as multi-system integration, multi-scale cooperation, and multi-dimensional information processing in deep-sea exploration, we must conduct in-depth research on the evolution mechanisms of seabed disaster genesis, development, and triggering under the influence of seabed fluid migration. Additionally, we must develop theoretical  methods for seabed disaster risk prevention and control under the coupled effects of seabed fluid migration, geological environment, and human activities.

Keywords： seabed fluid migration     marine geologic hazards     risk prevention and control     northern South China Sea    

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A Study of Reservoir-induced Earthquake in the Three Gorges Area

Li Ping,Li Yuanjun,Yang Meie

Strategic Study of CAE 2005, Volume 7, Issue 6,   Pages 14-20

Abstract: Meanwhile, a large number of landslides will be triggered to move and, hence, heavy geologic hazards

Keywords： Three-Gorges Reservoir area     reservoir-induced earthquake     geologic hazards    

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Miscellaneous dangerous mountain geological survey and the line selection techniques

He Huawu,Zeng Qiangyun

Strategic Study of CAE 2009, Volume 11, Issue 12,   Pages 9-12

Abstract: ">Yichang-Wanzhou Railway which locates in complicated and dangerous mountain areas has complicated geologicconditions and extremely bad geologic phenomena.to provide some references for similar investigation and route selection by briefly introducing the geologiccharacteristics, the integrated methods for geologic survey and route selection.

Keywords： Yichang-Wanzhou Railway     geologic characteristics     geologic investigation     geology route selection    

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Management strategies of marine food resources under multiple stressors with particular reference ofthe Yellow Sea large marine ecosystem

Qisheng TANG

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 1,   Pages 85-90 doi: 10.15302/J-FASE-2014021

Abstract:

In this study two main management strategies are discussed: one is to develop resource conservation-based capture fisheries, and the other is to develop environmentally friendly aquaculture. During the resource recovery period, the development of environmentally friendly aquaculture should be encouraged, especially in integrated multi-trophic aquaculture, which is adaptive, efficient and sustainable. For future development and better understanding the ecosystem, it is necessary to further strengthen basic research.

Keywords： marine     ecosystem     management strategies     food resources     Yellow Sea    

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Finite element simulation for elastic dislocation of the North-Tehran fault: The effects of geologic

Pooya ZAKIAN; Hossein ASADI HAYEH

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 4,   Pages 533-549 doi: 10.1007/s11709-022-0802-8

Abstract: The present study uses the finite element method for simulating the crustal deformation due to the dislocation of a segment of the North-Tehran fault located in the Karaj metropolis region. In this regard, a geological map of Karaj that includes the fault segment is utilized in order to create the geometry of finite element model. First, finite element analysis of homogeneous counterpart of the fault’s domain with two different sections was performed, and the results were compared to those of Okada’s analytical solutions. The fault was modeled with the existing heterogeneity of the domain having been considered. The influences of both uniform and non-uniform slip distributions were investigated. Furthermore, three levels of simplification for geometric creation of geological layers’ boundaries were defined in order to evaluate the effects of the geometric complexity of the geological layering on the displacement responses obtained with the finite element simulations. In addition to the assessment of slip distribution, layering complexity and heterogeneity, the results demonstrate both the capability and usefulness of the proposed models in the dislocation analysis for the Karaj segment of North-Tehran fault.

Keywords： finite element method     fault dislocation     slip distribution     the North-Tehran fault     heterogeneity     geological layering    

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The Sustainable Exploitation of Marine Fish Resources and the Research Directions of Science and Technologyfor Marine Fish

Lin Haoran

Strategic Study of CAE 2003, Volume 5, Issue 3,   Pages 27-30

Abstract:

The implementation of proliferation and culture of marine fishes is the fundamental measure and effectiveavenue for the reasonable and sustainable exploitation of marine fish resources.Therefore, the establishment and development of modern techniques for the proliferation and culture of marinefishes is one of the important research areas in the marine biotechnology.immunology and the molecular biology are the theoretical basis of the proliferation and culture in marine

Keywords： marine fish resource     sustainable exploitation proliferation and culture of marine fish     science and technologyfor marine fish     marine biotechnology    

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Diversity and distribution of proteorhodopsin-containing microorganisms in marine environments

Bo WEI

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 98-106 doi: 10.1007/s11783-010-0278-y

Abstract: shown that PR-containing microorganisms are widespread and compose a large proportion of the biomass in marineecological role of PR will help clarify the effect of the global flow of energy and the carbon cycle on marineProteorhodopsin (GDDP), as a tool for analyzing the diversity and distribution of PR-containing microorganisms in marine

Keywords： proteorhodopsin (PR)     microorganism community     diversity     marine environments    

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Microbial biodegradation of plastics: Challenges, opportunities, and a critical perspective

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1596-6

Abstract:

● Health hazards of plastic waste on environment are discussed.

Keywords： Plastic-waste     Polymers     Health-hazards     Biodegradation     Microorganisms     Enzymes    

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Demands and challenges for construction of marine infrastructures in China

Huajun LI; Yong LIU; Bingchen LIANG; Fushun LIU; Guoxiang WU; Junfeng DU; Huimin HOU; Aijun LI; Luming SHI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 551-563 doi: 10.1007/s11709-022-0839-8

Abstract: They provide core support for exploitation and utilization of marine space, resources, and energy.Thus, marine infrastructures are vital to a nation’s economic sustainable development.utilization of marine space, 3) marine transportation infrastructure interconnection, 4) ocean clean, and 6) marine infrastructure operation safety and maintenance.Finally, perspectives on future directions of ocean utilization and marine infrastructure construction

Keywords： marine infrastructures     ocean engineering     exploitation of marine resource     coastal development     emergingmarine industries     technological challenges    

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Sensitivity analysis of the deterioration of concrete strength in marine environment to multiple corrosive

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 175-190 doi: 10.1007/s11709-021-0791-z

Abstract: plays a crucial role in the change of its mechanical properties under multi-ion interaction in the marine

Keywords： sensitivity analysis     concrete strength     corrosion deterioration     multi-ion interaction     marine environment    

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Hormesis-like growth and photosynthetic physiology of marine diatom Bohlin exposed to polystyrene microplastics

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1,   Pages 2-2 doi: 10.1007/s11783-021-1436-0

Abstract:

• Polystyrene microplastic caused hormesis-like effects in Phaeodactylum tricornutum.

Keywords： Microplastics     Marine microalgae     Phaeodactylum tricornutum Bohlin     Growth     Photosynthetic pigments    

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Study on Development Strategy for Blue Marine Living Resources

Task Force for the Study on Development Strategy of China’s Marine Engineering and Technology LivingMarine Resource Research Group

Strategic Study of CAE 2016, Volume 18, Issue 2,   Pages 32-40 doi: 10.15302/J-SSCAE-2016.02.004a

Abstract:

To improve China's development capacity of living marine resources and promote the constructionconsultation project in 2011, which is called "Strategic Study on the Development of China Living Marinemaritime resources conservation, deep sea fishery, seafood quality safety processing and logistics, marineconservation, expansion and high-technology, for multi-dimensional developing and utilizing living marineThree strategic objectives and tasks for advancing blue marine bio-industry were proposed, including

Keywords： blue marine     living marine resource development     development strategy     special research and development    

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Floating forest: A novel breakwater-windbreak structure against wind and wave hazards

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1111-1127 doi: 10.1007/s11709-021-0757-1

Abstract: A novel floating breakwater-windbreak structure (floating forest) has been designed for the protection of vulnerable coastal areas from extreme wind and wave loadings during storm conditions. The modular arch-shaped concrete structure is positioned perpendicularly to the direction of the prevailing wave and wind. The structure below the water surface acts as a porous breakwater with wave scattering capability. An array of tubular columns on the sloping deck of the breakwater act as an artificial forest-type windbreak. A feasibility study involving hydrodynamic and aerodynamic analyses has been performed, focusing on its capability in reducing wave heights and wind speeds in the lee side. The study shows that the proposed 1 km long floating forest is able to shelter a lee area that stretches up to 600 m, with 40%–60% wave energy reduction and 10%–80% peak wind speed reduction.

Keywords： floating structure     breakwater     windbreak     hydrodynamic     CFD    

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Development Strategy for Marine Scientific Equipment and Technologies

Dong Sheng, Liao Zhenkun, Yu Liwei, Li Huajun

Strategic Study of CAE 2023, Volume 25, Issue 3,   Pages 33-41 doi: 10.15302/J-SSCAE-2023.03.004

Abstract:

Marine research equipment is critical for the development of marine sciencerecent years, China has made breakthroughs regarding the independent research and development of marineIn this paper, the current status of the marine research equipment is reviewed, including researchvessels, underwater vehicles, buoys, marine sensors, and marine observation networks.The problems encountered in the technical development of China’s marine research equipment are

Keywords： marine scientific research     deep-sea equipment     polar marine equipment     marine observation system     intellectualization    

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Geologic Hazard in Southwest Railways and Achievement of Survey and Control

Zhu Ying,Jiang Liangwen,Qu Ke,Li Guanghui,Cao Huaping

Strategic Study of CAE 2008, Volume 10, Issue 4,   Pages 29-37

Abstract: plateau and is close to east side of collision zone between India plate and Eurasian plate where the geologicstructure is quite complicated with serious geologic hazard.railway and Yu-Huai railway, etc., in complicated southwest mountainous region, the general condition of geologichazard of southwest railway is summarized and the railway geologic survey and engineering control techniqueexperience for several kinds of main geologic hazard are systematically presented.

Keywords： southwest area     railway     geologic hazard     survey     control technique    

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Title Author Date Type Operation

Research Progress and Prospects of Geohazard Mechanism and Risk Prevention Related to Seabed Fluid Migration

Tian Zhaoyang, Jia Yonggang, Zhu Chaoqi, Lu Longyu, Guo Xu, Feng Xuezhi, Wang Hui, Wang Hongwei, He Manchao, Peng Jianbing

Journal Article

A Study of Reservoir-induced Earthquake in the Three Gorges Area

Li Ping,Li Yuanjun,Yang Meie

Journal Article

Miscellaneous dangerous mountain geological survey and the line selection techniques

He Huawu,Zeng Qiangyun

Journal Article

Management strategies of marine food resources under multiple stressors with particular reference ofthe Yellow Sea large marine ecosystem

Qisheng TANG

Journal Article

Finite element simulation for elastic dislocation of the North-Tehran fault: The effects of geologic

Pooya ZAKIAN; Hossein ASADI HAYEH

Journal Article

The Sustainable Exploitation of Marine Fish Resources and the Research Directions of Science and Technologyfor Marine Fish

Lin Haoran

Journal Article

Diversity and distribution of proteorhodopsin-containing microorganisms in marine environments

Bo WEI

Journal Article

Microbial biodegradation of plastics: Challenges, opportunities, and a critical perspective

Journal Article

Demands and challenges for construction of marine infrastructures in China

Huajun LI; Yong LIU; Bingchen LIANG; Fushun LIU; Guoxiang WU; Junfeng DU; Huimin HOU; Aijun LI; Luming SHI

Journal Article

Sensitivity analysis of the deterioration of concrete strength in marine environment to multiple corrosive

Journal Article

Hormesis-like growth and photosynthetic physiology of marine diatom Bohlin exposed to polystyrene microplastics

Journal Article

Study on Development Strategy for Blue Marine Living Resources

Task Force for the Study on Development Strategy of China’s Marine Engineering and Technology LivingMarine Resource Research Group

Journal Article

Floating forest: A novel breakwater-windbreak structure against wind and wave hazards

Journal Article

Development Strategy for Marine Scientific Equipment and Technologies

Dong Sheng, Liao Zhenkun, Yu Liwei, Li Huajun

Journal Article

Geologic Hazard in Southwest Railways and Achievement of Survey and Control

Zhu Ying,Jiang Liangwen,Qu Ke,Li Guanghui,Cao Huaping

Journal Article