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Antarctic Bottom Water in a changing climate [PDF]

Nature Reviews Earth & Environment
Antarctic Bottom Water (AABW) is derived from dense water that sinks from the Antarctic continental shelf to the deep ocean. The sinking of AABW is balanced by a return flow of lighter water, and the resulting overturning circulation determines the density stratification of the deep ocean, regulates ocean storage of heat and carbon, and supplies oxygen
Stephen R. Rintoul, A. Stewart, G. C. Johnson, Shenjie Zhou, A. Foppert, Qian Li, A. K. Morrison, A. Silvano, K. Gunn, Matthew H. England, Sohey Nihashi, S. Aoki   +11 more
semanticscholar   +4 more sources

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Antarctic Bottom Water in the Vema Channel

Springer Proceedings in Earth and Environmental Sciences, 2023
Oleg Zuev, Anna Seliverstova, Seliverstova A M   +2 more
exaly   +2 more sources

Regional Modeling of Antarctic Bottom Water Flows in the Key Passages of the Atlantic

Journal of Geophysical Research: Oceans, 2019
Dmitry Frey, Eugene Morozov, Roman Tarakanov   +2 more
exaly   +2 more sources

Dissolved oxygen change and freshening of Antarctic Bottom water along 62°S in the Australian-Antarctic Basin between 1995/1996 and 2012/2013

Deep-Sea Research Part II: Topical Studies in Oceanography, 2015
Hideyuki Nakano, Katsuro Katsumata
exaly   +2 more sources

Flow of Antarctic Bottom Water at the output of the Vema Channel

Океанология, 2015
The pathways of the coldest part of the Antarctic Bottom Water (AABW) with potential temperature θ < 0.0°C in the Vema Channel and the pathways of this water flowing out of the channel to the Brazil Basin are studied on the basis of the data collected during the Russian expeditions in 2003, 2009–2012, and historical CTD data.
R. Tarakanov, E. Morozov
semanticscholar   +2 more sources

Changes in Antarctic Bottom Water Formation During Interglacial Periods

Paleoceanography and Paleoclimatology, 2020
In the modern Southern Ocean and during the last interglacial period, Marine Isotope Stage 5e, there are observations that point to reduced Antarctic Bottom Water (AABW) formation. These reductions are believed to be driven by an increase in the strength
S. Glasscock, C. T. Hayes, N. Redmond, E. Rohde   +3 more
semanticscholar   +1 more source

Freshening of Antarctic Bottom Water Off Cape Darnley, East Antarctica

Journal of Geophysical Research: Oceans, 2020
Recently, a source of Antarctic Bottom Water (AABW) was identified off Cape Darnley at the eastern end of theWeddell‐Enderby Basin. However, the behavior and long‐term variability of Cape Darnley Bottom Water (CDBW) are not clearly understood ...
S. Aoki, K. Katsumata, M. Hamaguchi, A. Noda, Y. Kitade, K. Shimada, D. Hirano, Daisuke Simizu, Y. Aoyama, K. Doi, Y. Nogi   +10 more
semanticscholar   +1 more source

Antarctic Bottom Water Warming in the Brazil Basin: 1990s Through 2020, From WOCE to Deep Argo

Geophysical Research Letters, 2020
A warming trend of 2.1 (±0.4) m °C yr−1 in bottom waters (4,500 to 5,900 dbar) spreading north from Antarctica through the Brazil Basin is quantified by comparing 2019–2020 data from a new Deep Argo regional pilot array to 1989–1995 data from full‐depth ...
G. Johnson, Chanelle Cadot, J. Lyman, K. E. McTaggart, Elizabeth L. Steffen   +4 more
semanticscholar   +1 more source

Formation of Antarctic bottom water in the Weddell Sea

Journal of Geophysical Research, 1971
During the austral summers of 1968 and 1969, the USCGC Glacier penetrated the pack ice of the Weddell Sea to over 75°S in support of the International Weddell Sea Oceanographic Expedition (IWSOE). A total of 83 hydrographic stations were conducted during the two expeditions for analysis of temperature, salinity, dissolved oxygen, and nutrients.
James M. Seabrooke, Gary L. Hufford, Robert B. Elder   +2 more
openaire   +1 more source

Rapid volume reduction in Antarctic Bottom Water off the Adélie/George V Land coast observed by deep floats

Deep Sea Research Part I: Oceanographic Research Papers, 2018
Recent changes in the Antarctic Bottom Water (AABW) off the Adelie/George V Land coast, East Antarctica, were examined using 20-months observation with deep floats and historical hydrographic surveys. The salinity of the AABW along isopycnals was largely
Taiyo Kobayashi
semanticscholar   +1 more source