搜索结果: 16-30 共查到“理学 seafloor”相关记录33条 . 查询时间(0.1 秒)
eohazards in the Western Ionian Sea: Insights from Non-Earthquake Signals Recorded by the NEMO-SN1 Seafloor Observatory
Western Ionian Sea Non-Earthquake Signals
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2015/7/17
Seafloor instability resulting from both tectonics and volcanism affects the Western Ionian Sea. The NEutrino Mediterranean Observatory-Submarine Network 1 (NEMO-SN1), deployed 25 km offshore eastern ...
Measurements and Models of Heat Flux and Plumes from Hydrothermal Discharges Near the Deep Seafloor
Measurements and Models Heat Flux and Plumes Hydrothermal Discharges Deep Seafloor
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2015/7/14
Deep-sea hydrothermal vents are conduits of heat and chemicals from the lithosphere to the hydrosphere. Their plumes rise hundreds of meters from the seafloor into the water column; during their ascen...
Seamount Discovery Tool Aids Navigation to Uncharted Seafloor Features
Seamount Tool Aids Navigation Uncharted Seafloor
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2015/7/7
Wessel et al. (2010) highlight the need for a systematic mapping of seamounts in ocean basins. They estimate that 100,000 or 90% of the seamounts greater than 1-km tall are unobserved by either ship s...
A 'hydrothermal siphon' drives water circulation through the seafloor
hydrothermal siphon water circulation the seafloor
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2015/7/13
Vast quantities of ocean water circulate through the seafloor, flowing through the volcanic rock of the upper oceanic crust. A new study by scientists at UC Santa Cruz, published June 26 in Natur...
Seafloor Volcano Pulses May Alter Climate（图）
Seafloor Volcano Pulses Alter Climate
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2015/3/4
Vast ranges of volcanoes hidden under the oceans are presumed by scientists to be the gentle giants of the planet, oozing lava at slow, steady rates along mid-ocean ridges. But a new study shows that ...
Magnetic signature of large exhumed mantle domains of the Southwest Indian Ridge – results from a deep-tow geophysical survey over 0 to 11 Ma old seafloor
Magnetic signature large exhumed mantle domains the Southwest Indian Ridge deep-tow geophysical survey 0 to 11 Ma old seafloor
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2015/1/6
We investigate the magnetic signature of ultramafic seafloor in the eastern part of the Southwest Indian Ridge (SWIR). There, detachment faulting, continuous over 11 Myr, exhumed large areas of mantle...
天津科技大学海洋地质学课件Section 3 THE DYNAMIC SEAFLOOR
天津科技大学 海洋地质学 课件 THE DYNAMIC SEAFLOOR
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2010/1/18
天津科技大学海洋地质学课件Section 3 THE DYNAMIC SEAFLOOR。
Impact of debris flows and turbidity currents on seafloor structures
Impact of debris flows turbidity currents seafloor structures
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2009/12/3
The offshore industry is moving to depths >1000 m, along or in the proximity of the continental slopes. The geohazard assessment for offshore installations is an increasingly important engineering act...
Numerical Modeling for the Effect of a 2-D Seafloor Trench on Sea-Bottom EM Measurements Using Horizontal Electric Dipole Sources
EM Measurements Sources Seafloor
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2009/6/12
Numerical Modeling for the Effect of a 2-D Seafloor Trench on Sea-Bottom EM Measurements Using Horizontal Electric Dipole Sources.
Geoelectromagnetic observation at the seafloor—Present and future
seafloor geoelectromagnetic observation natural-source magnetotellurics controlled-source
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2009/3/5
It has been almost three decades since geoelectromagnetic observation at the seafloor was enabled. The objective of this article is to make an overview of the present status of the seafloor electroma...
Ophiolite-Hosted Copper and Gold Deposits of Southeastern Turkey:Formation and Relationship with Seafloor Hydrothermal Processes
mid-oceanic ridge (MOR) pyritic copper-gold mineralisations alterations exploration tools
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2010/1/11
The paper documents evidence about the physical and chemical controls on the behaviour of Au and Cu sulphide deposits in fossil seafloor hydrothermal systems of SE Turkey. Observations from actively f...
The Relation of Seafloor Voltages to Ocean Transports in North Atlantic Circulation Models：Model Results and Practical Considerations for Transport Monitoring
frequency range Seafloor Voltages Ocean Transports
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2008/11/26
Motionally induced voltage differences offer one of the few observational methods sensitive to changes in large-scale ocean transports. They present a useful contrast to most oceanographic data by vir...
Deserts on the seafloor: Edward Forbes and his azoic hypothesis for a lifeless deep ocean by Tom Anderson（图）
Marine Life
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2007/4/11
5 April 2007，Deserts on the seafloor: Edward Forbes and his azoic hypothesis for a lifeless deep ocean by Tom Anderson，While dredging in the Ægean Sea during the mid-19th century, Manxman, Edwar...
Generation of Seafloor Hydrothermal Vent Fluids and Associated Mineral Deposits
The high seas the liquid and the heat flow water ocean crust Marine chemistry
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2015/7/22
In the nearly 30 years since the discovery of hydrothermal venting along open-ocean spreading centers, much has been learned about the generation of vent fluids and associated deposits. The hot, reduc...
A Biology Laboratory on the Seafloor
Submersible hot water ecosystem diving
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2015/7/22
Although occupied submersibles have played an essential role in the discovery and study of hydrothermal ecosystems at depths ranging from 1500–3500 m, operational constraints at great depths have mean...