Results 11 to 20 of about 173,175 (225)

Flow of Antarctic Bottom water from the Vema Channel [PDF]

open access: yesGeoscience Letters, 2020
We analyze measurements of bottom currents and thermohaline properties of water north of the Vema Channel with the goal to find pathway continuations of Antarctic Bottom Water flow from the Vema Channel into the Brazil Basin. The analysis is based on CTD/
Eugene G. Morozov   +2 more
doaj   +3 more sources

Antarctic Bottom Water in the Vema Fracture Zone

open access: yesJournal of Geophysical Research: Oceans, 2023
A section of 46 CTD/LADCP stations along the Vema Fracture Zone was made for the first time with a repeat of the transverse section on the main sill (at 41° W) for the sixth time.
Viktor Krechik   +2 more
exaly   +3 more sources

How Does Antarctic Bottom Water Cross the Southern Ocean?

open access: yesGeophysical Research Letters, 2022
Antarctic Bottom Water (AABW), which fills the global ocean abyss, is derived from dense water that forms in several distinct Antarctic shelf regions. Previous modeling studies have reached conflicting conclusions regarding export pathways of AABW across
Andrew Stewart   +2 more
exaly   +5 more sources

Antarctic Bottom Water and North Atlantic Deep Water in CMIP6 models [PDF]

open access: yesOcean Science, 2021
Deep and bottom water formation are crucial components of the global ocean circulation, yet they were poorly represented in the previous generation of climate models. We here quantify biases in Antarctic Bottom Water (AABW) and North Atlantic Deep Water (
C. Heuzé
doaj   +3 more sources

Antarctic Bottom Water Warming and Circulation Slowdown in the Argentine Basin From Analyses of Deep Argo and Historical Shipboard Temperature Data

open access: yesGeophysical Research Letters, 2022
A decadal warming trend of 2.1 (±0.2) m°C yr−1 in Antarctic Bottom Water within the western Argentine Basin is found by comparing Deep Argo temperature profiles from 2021 to 2022 to nearby historical shipboard data from 1972 to 1998.
Gregory C. Johnson
doaj   +2 more sources

Age distribution of Antarctic Bottom Water off Cape Darnley, East Antarctica, estimated using chlorofluorocarbon and sulfur hexafluoride [PDF]

open access: yesScientific Reports, 2022
Chlorofluorocarbon (CFC) and sulfur hexafluoride (SF6) were used to investigate the timescale of Antarctic Bottom Water (AABW) that spreads off Cape Darnley (CD) in East Antarctica. The age of the AABW was estimated based on the observed SF6/CFC-12 ratio
Yoshihiko Ohashi   +4 more
doaj   +2 more sources

Influence of Ross Sea Bottom Water changes on the warming and freshening of the Antarctic Bottom Water in the Australian-Antarctic Basin [PDF]

open access: yesOcean Science, 2012
Changes to the properties of Antarctic Bottom Water in the Australian-Antarctic Basin (AA-AABW) between the 1990s and 2000s are documented using data from the WOCE Hydrographic Program (WHP) and repeated hydrographic surveys.
K. Shimada   +3 more
doaj   +5 more sources

Accelerated freshening of Antarctic Bottom Water over the last decade in the Southern Indian Ocean. [PDF]

open access: yesSci Adv, 2017
Accelerated freshening reduced warming of Antarctic Bottom Water from 2007 to 2016 in the Australian-Antarctic Basin. Southern Ocean abyssal waters, in contact with the atmosphere at their formation sites around Antarctica, not only bring signals of a ...
Menezes VV, Macdonald AM, Schatzman C.
europepmc   +2 more sources

Reduced Deep Convection and Bottom Water Formation Due To Antarctic Meltwater in a Multi‐Model Ensemble

open access: yesGeophysical Research Letters, 2023
The additional water from the Antarctic ice sheet and ice shelves due to climate‐induced melt can impact ocean circulation and global climate. However, the major processes driving melt are not adequately represented in Coupled Model Intercomparison ...
Jia‐Jia Chen   +13 more
doaj   +2 more sources

Spatial Variability of Antarctic Bottom Water in the Australian Antarctic Basin From 2018–2020 Captured by Deep Argo

open access: yesGeophysical Research Letters, 2020
There are two varieties of Antarctic Bottom Water present in the Australian Antarctic Basin (AAB): locally produced Adélie Land Bottom Water (ALBW) and distantly produced Ross Sea Bottom Water (RSBW).
Dean Roemmich   +2 more
exaly   +2 more sources

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