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North Atlantic Deep Water

A major change in North Atlantic deep water circulation 1.6 million years ago

A major change in North Atlantic deep water circulation 1.6 million years ago

... in deep-water sources and water mass mixing in the northeast Atlantic during the past 4 million years as reflected by bottom-water ε Nd signatures at site 980/981 (black; 2170 m ...

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North Atlantic deep water formation and AMOC in CMIP5 models

North Atlantic deep water formation and AMOC in CMIP5 models

... explain deep water formation in each ...to deep mixed layers; positive correspond to heat loss or salt gain if an ocean surface cooling or salinification corresponds to deep mixed ...

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Mid-Pliocene shifts in ocean overturning circulation and the onset of Quaternary-style climates

Mid-Pliocene shifts in ocean overturning circulation and the onset of Quaternary-style climates

... the North Atlantic Current matched an increase in sea surface salinity by ...stronger Atlantic overturning circula- tion is suggested by a long-term temperature drop ( − ...of North ...

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The global ocean circulation on a retrograde rotating earth

The global ocean circulation on a retrograde rotating earth

... vigorous Atlantic merid- ional overturning circulation and North Atlantic Deep Water formation) and a so-called Southern Sinking state (or “off”- state) for which deep ...

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Climate sensitivity and meridional overturning circulation in the late Eocene using GFDL CM2.1

Climate sensitivity and meridional overturning circulation in the late Eocene using GFDL CM2.1

... the deep ocean, an age–depth relationship is applied (Müller et ...and Atlantic Ocean, where other reconstructions have a more constricted throughflow ...of North Atlantic deep ...

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Polychlorinated biphenyls in air and water of the North Atlantic and Arctic Ocean

Polychlorinated biphenyls in air and water of the North Atlantic and Arctic Ocean

... surface water descends 2 – 3 km down, forming cold, oxygen-rich deep ...The North Atlantic Deep Water (NADW) is largely formed in the Labrador Sea and the Greenland Sea by the ...

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Changes in the geometry and strength of the Atlantic meridional overturning circulation during the last glacial (20–50 ka)

Changes in the geometry and strength of the Atlantic meridional overturning circulation during the last glacial (20–50 ka)

... creased North Atlantic deep-water formation and increased influence of southern-sourced deep waters in the Atlantic during Heinrich stadials (Elliot et ...the Atlantic ...

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The impacts of deglacial meltwater forcing on the South Atlantic Ocean deep circulation since the Last Glacial Maximum

The impacts of deglacial meltwater forcing on the South Atlantic Ocean deep circulation since the Last Glacial Maximum

... South Atlantic water mass structure from the Last Glacial Maximum (LGM) to the present ...Bottom Water (AABW), forming a salinity barrier that prevented dense waters from the Northern Hemisphere from ...

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Expedition 306 summary

Expedition 306 summary

... the North Atlantic recovered sequences that are continuous and have sedimentation rates high enough to study oceanic variability on sub- Milankovitch ...the North Atlantic (Raymo et ...

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Tracing water masses with 129I and 236U in the subpolar North Atlantic along the GEOTRACES GA01 section

Tracing water masses with 129I and 236U in the subpolar North Atlantic along the GEOTRACES GA01 section

... whole water column, being more pronounced (increase of about 10 times) in over- flow waters ...m deep freshwa- ter surface layer observed between station 69 and Greenland (not shown here), we suggest that ...

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Freshening of the Labrador Sea as a trigger for Little Ice Age development

Freshening of the Labrador Sea as a trigger for Little Ice Age development

... the North Atlantic Oscil- lation, NAO; Arctic Oscillation, AO; Atlantic Multidecadal Oscillation, AMO; El Niño–Southern Oscillation, ENSO; or the monsoonal regimes) have also been considered to play ...

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Distribution of intermediate water masses in the subtropical northeast Atlantic

Distribution of intermediate water masses in the subtropical northeast Atlantic

... the water column down to 1800–1900 m ...its deep waters (Iorga and Lozier, 1999a), apparently favour MW vertical diffusion/double diffusion to deeper ...The deep MW from the Gulf of Cádiz preferably ...

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The climate of a retrograde rotating Earth

The climate of a retrograde rotating Earth

... strong deep water formation in the North Pacific in a simulation with the climate model FAMOUS (Smith, ...that deep water formation in the North Atlantic weakened in their ...

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Variability of water masses and circulation in the subtropical
North Atlantic

Variability of water masses and circulation in the subtropical North Atlantic

... confined to deep and abyssal layers of the model. Where the associated anomalous bottom currents traverse isobaths, "extra" bottom pressure torque (BPT) is invoked. An anomalous BPT term in the barotropic ...

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A model analysis of the behavior of the Mediterranean Water in the North Atlantic

A model analysis of the behavior of the Mediterranean Water in the North Atlantic

... the deep ocean to atmospheric conditions, does allow the veloc- ity field to reach a dynamical quasi-equilibrium state as demonstrated by previous modeling studies of the North Atlantic circulation ...

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Spatial Ecology and Movement Patterns of Deep-Diving Odontocetes in the western North Atlantic

Spatial Ecology and Movement Patterns of Deep-Diving Odontocetes in the western North Atlantic

... Another potential descriptive variable that was unable to be included in this study is seasonality. Currently, on-the-water effort occurs only between late spring and early fall when weather is most conducive to ...

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Reproduction and larval biology of North Atlantic asteroids related to the invasion of the deep sea

Reproduction and larval biology of North Atlantic asteroids related to the invasion of the deep sea

... in deep-water echinoderms are entirely similar to those found in shallow-water ...many deep-sea asteroids found on the continental slope to the west of Europe in order to determine if the ...

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Climate of the Last Glacial Maximum: sensitivity studies and model-data comparison with the LOVECLIM coupled model

Climate of the Last Glacial Maximum: sensitivity studies and model-data comparison with the LOVECLIM coupled model

... the Atlantic basin (Ganopolski et ...Glacial North Atlantic Deep/Intermediate Water (GNADW/GNAIW) in the LGM (Paul and Sch¨afer- Neth, ...these water masses is being controlled ...

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Quantifying the ocean’s role in glacial CO 2reductions

Quantifying the ocean’s role in glacial CO 2reductions

... tropical Atlantic, the bottom temperature in LGb decreases by ...of deep water temperature during the last glacial maximum (Schrag et ...by deep ocean proxy records (Adkins et ...Ocean ...

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Leucothoid and Maerid Amphipods (Crustacea) from deep regions of the North Atlantic

Leucothoid and Maerid Amphipods (Crustacea) from deep regions of the North Atlantic

... We started out with the supposition that material of more than 1,500 m depth cannot be L. spinicarpa which primarily is a shallow water species. Sars (1891) writes ‘‘30–150 fathoms’’, while Lincoln (1979) records ...

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