Results 21 to 30 of about 113,650 (200)

Changes in water mass composition and circulation in the central Arctic Ocean between 2011 and 2021 inferred from tracer observations [PDF]

open access: yesOcean Science
The Arctic Ocean is changing rapidly and Atlantic Water circulation plays a key role in the warming, sea-ice decline, and ecosystem changes observed in the Arctic.
A.-M. Wefing   +9 more
doaj   +1 more source

Global variation of seismic energy release with oceanic lithosphere age

open access: yesScientific Reports, 2021
Variations in Mid Ocean Ridge seismicity with age provide a new tool to understand the thermal evolution of the oceanic lithosphere. The sum of seismic energy released by earthquakes during a time, and for an area, is proportional to its lithospheric age.
Nicolás Pinzón, Carlos A. Vargas
doaj   +1 more source

Magma genesis by rifting of oceanic lithosphere above anomalous mantle: Terceira Rift, Azores [PDF]

open access: yes, 2008
[1] The Terceira Rift formed relatively recently (∼1 Ma ago) by rifting of the old oceanic lithosphere of the Azores Plateau and is currently spreading at a rate of 2–4mm/a.
Abouchami, W.   +4 more
core   +1 more source

Patterns of Life on the Southern Mid-Atlantic Ridge: Compiling What is Known and Addressing Future Research [PDF]

open access: yesOceanography, 2012
The South Atlantic is one of the youngest of all the major oceans. It has prominent topographic features, in particular, the Mid-Atlantic Ridge. This feature largely determines deepwater circulation patterns that connect this ocean to the North Atlantic,
José Angel A. Perez   +6 more
doaj  

On some rare Oplophoridae (Caridea, Decapoda) from the South Mid-Atlantic Ridge

open access: yesLatin American Journal of Aquatic Research, 2013
The Mid-Atlantic Ridge (MAR) divides the Atlantic Ocean longitudinally into two halves, each with a series of major basins delimited by secondary, more or less transverse ridges.
Irene Cardoso
doaj   +1 more source

Geothermal heating and episodic cold-seawater intrusions into an isolated ridge-flank basin near the Mid-Atlantic Ridge

open access: yesCommunications Earth & Environment, 2021
Bottom water renewal on the western flank of the mid-Atlantic Ridge is driven by rapid intrusion of cold, dense water enabled by gradual warming due to geothermal heat flux and diapycnal mixing, as revealed by six-year observational records.
Keir Becker   +4 more
doaj   +1 more source

Nonchondritic 142Nd in suboceanic mantle peridotites [PDF]

open access: yes, 2011
The discovery that several solid Earth reservoirs have a superchondritic 142Nd/144Nd ratio led to the hypothesis that either the bulk silicate Earth is not chondritic or that a subchondritic reservoir lies hidden somewhere within the Earth's interior ...
Bonatti, Enrico   +2 more
core   +2 more sources

 New records of two teleost species from two insular areas of the western equatorial Atlantic [PDF]

open access: yesCheck List, 2021
We report the first record of two teleost species from two archipelagos in the western equatorial Atlantic. We recorded the occurrence of Cantherhines pullus (Ranzani, 1842) (Monacanthidae, Tetraodontiformes) from the Fernando de Noronha Archipelago, a ...
Rodrigo Xavier Soares   +4 more
doaj   +3 more sources

Endemic Hydrothermal Species Anisopes heteroscella (Ammotheidae, Pycnogonida) in the Northern Part of the Atlantic Ocean [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2009
Expeditions of R/V «Akademik Mstislav Keldysh» and R/V «Pourquoi Pas» were collected 61 specimens of endemic hydrothermal species Anisopes heteroscella (Child, Segonzac, 1996). The specimens were collected at the six hydrothermal vents.
Elena P. Turpaeva
doaj  

Oceanographic and underwater acoustics research conducted during the period 1 May 1961-31 October 1961 [PDF]

open access: yes, 1962
Research during this six month period was performed during cruises of the CHAIN to the Romanche Trench, to the Puerto Rico Trench, and to the Mediterranean Sea, and during a cruise of the BEAR to the Gulf of Maine.
Woods Hole Oceanographic Institution, /
core   +1 more source

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