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Antarctic Circumpolar Current

Variation of Antarctic circumpolar current and its intensification in relation to the southern annular mode detected in the time variable gravity signals by GRACE satellite

Variation of Antarctic circumpolar current and its intensification in relation to the southern annular mode detected in the time variable gravity signals by GRACE satellite

... The southern annular mode (SAM) in the atmosphere and the Antarctic circumpolar current (ACC) in the ocean play decisive roles in the climatic system of the mid‑ to high‑latitude southern hemisphere. ...

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The influence of the Antarctic Circumpolar Current on the oceanographic setting
of a sub Antarctic island

The influence of the Antarctic Circumpolar Current on the oceanographic setting of a sub Antarctic island

... the Antarctic Circumpolar Current (ACC), which is the only current that flows completely around the ...the current jet associated wirh the ACC intersects the South-West Indian ...

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Hydrothermal heat enhances abyssal mixing in the Antarctic Circumpolar Current

Hydrothermal heat enhances abyssal mixing in the Antarctic Circumpolar Current

... decreasing Antarctic Circumpolar Current (ACC) transport by approximately 5 Sv (Downes et ...ocean current, circles the Antarctic continent with a transport of 130 to 170 Sv (Chidichimo ...

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Southern Ocean overturning across streamlines in an eddying simulation of the Antarctic Circumpolar Current

Southern Ocean overturning across streamlines in an eddying simulation of the Antarctic Circumpolar Current

... Abstract. An eddying global model is used to study the char- acteristics of the Antarctic Circumpolar Current (ACC) in a streamline-following framework. Previous model-based es- timates of the ...

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Brief communication “On one mechanism of low frequency variability of the Antarctic Circumpolar Current”

Brief communication “On one mechanism of low frequency variability of the Antarctic Circumpolar Current”

... The Antarctic Circumpolar current (ACC) is a strong flow transporting about 130 Sverdrups. It encircles the Antarctica thus connecting waters between the Atlantic, Pacific, and In- dian Oceans. ...

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Paleogeographic controls on the onset of the Antarctic circumpolar current

Paleogeographic controls on the onset of the Antarctic circumpolar current

... (ACC) during the Cenozoic is controversial in terms of timing and its role in major climate transitions. Some propose that the development of the ACC was instrumental in the continental scale glaciation of Antarctica and ...

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Intrinsic variability of the Antarctic Circumpolar Current system: low- and high-frequency fluctuations of the Argentine Basin flow

Intrinsic variability of the Antarctic Circumpolar Current system: low- and high-frequency fluctuations of the Argentine Basin flow

... as far as the transport through the Drake Passage and the structure of the main Antarctic Circumpolar Current fronts are concerned. Important variability of both low- and high- frequency nature is ...

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The frontal system of the Antarctic Circumpolar Current : marine mammals as ocean explorers

The frontal system of the Antarctic Circumpolar Current : marine mammals as ocean explorers

... reference salinity for each CTD-SRDL recording. The differences of the the actual measurements and the references provide a time series of corrections to the mea- surements including errors (Boehme and Send, 2005). The ...

193

Ekman currents in the Antarctic circumpolar current

Ekman currents in the Antarctic circumpolar current

... Classical Ekman theory assumes the momentum mixing within the upper ocean is set by a constant eddy viscosity. However, previous observational studies have found Ekman spirals to be compressed, with different viscosities ...

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Links between CO 2, glaciation and water flow: reconciling the Cenozoic history of the Antarctic Circumpolar Current

Links between CO 2, glaciation and water flow: reconciling the Cenozoic history of the Antarctic Circumpolar Current

... and Antarctica is relatively well constrained with progres- sive deepening between 35 and 30 Ma (Stickley et al., 2004), there are still numerous uncertainties in the timing of the opening of Drake Passage (Barker and ...

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Transport of warm Upper Circumpolar Deep Water onto the western Antarctic Peninsula continental shelf

Transport of warm Upper Circumpolar Deep Water onto the western Antarctic Peninsula continental shelf

... western Antarctic Peninsula (between 2007 and 2010) in an effort to identify the mechanism(s) responsible for delivering warm Upper Circumpolar Deep Water (UCDW) onto the broad continental shelf from the ...

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The circulation of the Southern Ocean and the adjacent ocean basins determined by inverse methods

The circulation of the Southern Ocean and the adjacent ocean basins determined by inverse methods

... In the initial inverse model the Antarctic Circumpolar Current transport varies from 133±2x106 m 3 s- 1 at Drake Passage to 148±4.5 south of Australia., There is a -15±8x10 6 m 3 s- 1 so[r] ...

466

Physical Process Influencing the Ecosystem of the Indian Sector of Southern Ocean An Overview

Physical Process Influencing the Ecosystem of the Indian Sector of Southern Ocean An Overview

... The Antarctic Circumpolar Current (ACC) is the key current system in the Southern Ocean (SO) which connects three major ...of Antarctic Intermediate Water are attributed to the ...

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Southern Ocean currents and climate

Southern Ocean currents and climate

... this circumpolar channel lies the world's largest current, the Antarctic Circumpolar Current (ACC), which flows from west to east around the Antarctic continent, connecting the ...

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Beneath the sea ice : exploring elephant seal foraging strategy in Earth’s extreme Antarctic polar environment

Beneath the sea ice : exploring elephant seal foraging strategy in Earth’s extreme Antarctic polar environment

... the Antarctic Circumpolar Current and (ii) the seasonal sea ice cover ...the Antarctic, marine predators are exposed to climate-induced shifts in atmospheric circula- tion and sea ...winter ...

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The distribution, circulation and variability of subantarctic mode water

The distribution, circulation and variability of subantarctic mode water

... Antarctic Bottom Water Antarctic Intermediate Water Antarctic Circumpolar Current Brazil-Malvinas Confluence CSIRO Atlas of Regional Seas Conductivity Temperature Depth East Australian C[r] ...

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Alien Invasions of the Antarctic Mainland: current knowledge and lessons from the wider Antarctic region and beyond

Alien Invasions of the Antarctic Mainland: current knowledge and lessons from the wider Antarctic region and beyond

... the Antarctic Treaty, action must be taken to preserve ...Maritime Antarctic and Sub-Antarctic Islands are especially relevant to the Antarctic mainland, because of the similar period of human ...

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Plants in Antarctica: current and future phytoremediation potential

Plants in Antarctica: current and future phytoremediation potential

... of Antarctic peninsula, warmer and wetter conditions permit the growth of two higher flowering species from the carnation family known as Antarctic hair grass (Deschampsia Antarctica) and Antarctic ...

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Antarctic subglacial hydrology: current knowledge and future challenges

Antarctic subglacial hydrology: current knowledge and future challenges

... the Antarctic ice sheet, and ii) it is the fl ow of subglacial water from one place to another, especially if there are sudden changes in volume, that may have the most profound in fl uence on ice ...

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RRS James Clark Ross Cruise 94, 01 Dec 15 Dec 2003  Drake Passage repeat hydrography: WOCE Southern Repeat Section 1b   Burdwood Bank to Elephant Island

RRS James Clark Ross Cruise 94, 01 Dec 15 Dec 2003 Drake Passage repeat hydrography: WOCE Southern Repeat Section 1b Burdwood Bank to Elephant Island

... The fluorometer data indicated increased productivity in a region to the north of the Polar Front and the Sub-Antarctic Front. It also showed increased productivity within the warm pool region. Interestingly, ...

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