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Sea floor

A new approach to geophysical real time measurements on a deep sea floor using decommissioned submarine cables

A new approach to geophysical real time measurements on a deep sea floor using decommissioned submarine cables

... If we can reuse such resources, real-time geophysical ob- servatories on a deep-sea floor could be realized with high reliability and at a reasonable cost. Based on this idea, scien- tists in Japan and the ...

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MOISE: A pilot experiment towards long term sea floor geophysical observatories

MOISE: A pilot experiment towards long term sea floor geophysical observatories

... In order to achieve good coupling of the seismometer sys- tem with the ground, efforts were made to partially bury it in the sediments. Site preparation included placing a large weight to compact the sediment several ...

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Evolution of Sonar Survey Systems for Sea Floor Studies.

Evolution of Sonar Survey Systems for Sea Floor Studies.

... the sea-floor that is important in understanding tectonic behaviour of the floor and forms a primary evidence about major changes sea-floor has undergone and dynamics ...

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Four-Hundred-and-Ninety-Million-Year Record of Bacteriogenic Iron Oxide Precipitation at Sea-Floor Hydrothermal Vents

Four-Hundred-and-Ninety-Million-Year Record of Bacteriogenic Iron Oxide Precipitation at Sea-Floor Hydrothermal Vents

... back-arc sea floor spreading centers, seamounts associated with these spreading centers, and intra-plate seamounts, and can cover extensive areas of the ...

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Miocene and Pliocene sediments dredged from the sea floor off St Helens,
northeastern Tasmania

Miocene and Pliocene sediments dredged from the sea floor off St Helens, northeastern Tasmania

... The new Tasmanian sample is a deeper water sediment, lacking the characteristic benthic foraminiferids, but including a planktic fauna probably representing the total diversity living in[r] ...

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Exact and asymptotic analysis of waves generated by sea-floor disturbances on a sloping beach

Exact and asymptotic analysis of waves generated by sea-floor disturbances on a sloping beach

... A heavy and homogeneous inviscid liquid lies between two half-planes, namely the free surface y =  (x ≥ ) and a rigid sloping beach y = –x, in its state of rest at time t =  (see Figure ). Surface waves are generated ...

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Oil from the sea floor

Oil from the sea floor

... Early Bass Strait programmes recorded the seismic energy on magnetic tapes and used an explosive energy source.. Major developments in seismic technology over the past 10 years have been[r] ...

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A unifying principle in the study of life on the sea floor

A unifying principle in the study of life on the sea floor

... It is suggested that a description of water movements in the vicinity of modern-day sediments could be correlated with the range of life forms observed in the sedb m[r] ...

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Deep sea sediment types on the North Atlantic sea floor

Deep sea sediment types on the North Atlantic sea floor

... productivity of siliceous organisms is sufficiently high iii a zone south of Iceland f o r siliceous ooze deposition at depths below tiie CCD Figure 1, but here again the seafloor is at [r] ...

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Does presence of a mid ocean ridge enhance biomass and biodiversity?

Does presence of a mid ocean ridge enhance biomass and biodiversity?

... globally sea floor elevation has no effect on deep sea biomass; pelagic plus benthic biomass is constant within a given surface productivity ...

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Drilling cores on the sea floor with the remote-controlled sea floor drilling rig MeBo

Drilling cores on the sea floor with the remote-controlled sea floor drilling rig MeBo

... the sea floor from multi-purpose research vessels and that retrieve cores from the sub-bottom by remote control from the ship ...the sea floor, several drill rigs have been developed that use ...

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Recent scientific and operational achievements of D/V Chikyu

Recent scientific and operational achievements of D/V Chikyu

... During Integrated Ocean Drilling Program (IODP) Expeditions 343 and 343 T, Chikyu drilled 850 m below sea floor (mbsf) in 6,900+ m water depth and recovered core samples of a highly brec[r] ...

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RRS "Discovery" Cruise 38, 28 January   7 April 1971: Moored current meters and hydrographic sections on the continental slope and physical oceanographic work in the Mediterranean Outflow

RRS "Discovery" Cruise 38, 28 January 7 April 1971: Moored current meters and hydrographic sections on the continental slope and physical oceanographic work in the Mediterranean Outflow

... Temperature and Salinity every 5 mins near the sea floor, r/as laid on the evening of 17th, This mooring carried a surface dan which was used for radar fixes for a TSD series vertical pr[r] ...

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RRS "Discovery" Cruise 40, 19 June   26 July 1971: Geological exploration of the Mediterranean Ridge

RRS "Discovery" Cruise 40, 19 June 26 July 1971: Geological exploration of the Mediterranean Ridge

... b Narrow Beam Echo-sounder Profiles The side-scan asdic equipment was used as a narrow beam sounder 11 ° x 2^° in order to obtain detail about the sea floor relief, particularly of the M[r] ...

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Glacial-interglacial atmospheric CO 2change: a possible “standing volume” effect on deep-ocean carbon sequestration

Glacial-interglacial atmospheric CO 2change: a possible “standing volume” effect on deep-ocean carbon sequestration

... Fig. 4. Illustration of how the volume ratio (R ns ) of “north- ern” (NDW) to “southern” (SDW) water-masses is hypothesised to change based on water-mass boundary shoaling and given the hypsometry of the sea ...

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Tsunami Hazard in the Arabian Gulf Due to Earthquakes in the Makran Subduction Zone

Tsunami Hazard in the Arabian Gulf Due to Earthquakes in the Makran Subduction Zone

... The model indicated that the tsunami wave reached Muscat, Oman 49 minutes after the earthquake, which is reasonably comparable to the 45 minutes reported by Rejenderan et al. (2008). The calibration process indicated ...

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International Law - Continental Shelf - Proprietary Interest of United States in Continental Shelf Precludes Claims of Acquisition by Private Entrepreneurs. United States v. Ray (S.D. Fla. 1969)

International Law - Continental Shelf - Proprietary Interest of United States in Continental Shelf Precludes Claims of Acquisition by Private Entrepreneurs. United States v. Ray (S.D. Fla. 1969)

... Disputes arise in reference to: the outer limits of the shelf so as to define the beginning of the deep sea floor; the extent of control which a coastal state [r] ...

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Statistics of the Earth’s Topography

Statistics of the Earth’s Topography

... The so-called “typical” values for the Earth’s topography are often used in the literature, such as the mean continental altitude (MCA), the Moho depth for “normal” continental crust, or “typical” depth of mid-oceanic ...

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Structure of the Earth - Intro. to Plate Tectonics

Structure of the Earth - Intro. to Plate Tectonics

... • Oldest sea floor away from mid-ocean ridge.. Evidence for Seafloor Spreading. Evidence for Seafloor Spreading[r] ...

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