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901
Limits and CO<sub>2</sub> equilibration of near-coast alkalinity enhancement
Published 2023-01-01“…The most ideal locations, reaching a molar uptake ratio of around 0.8, include North Madagascar, California, Brazil, Peru and locations close to the Southern Ocean such as Tasmania, Kerguelen and Patagonia, where the gas exchange appears to occur faster than the surface residence time. …”
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902
Atlantic circulation changes across a stadial–interstadial transition
Published 2023-05-01“…The simulated lower remineralization during stadials compared to during interstadials is particularly pronounced in deep subantarctic sites, in agreement with the decrease in the export production of carbon to the deep Southern Ocean during stadials found in previous studies.…”
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903
Estimated summer abundance and krill consumption of fin whales throughout the Scotia Sea during the 2018/2019 summer season
Published 2024-03-01“…This highlights the crucial importance of including cetacean krill predators in assessment and management efforts for living marine resources in the Southern Ocean, and particularly stresses the urgent need for a re-appraisal of abundance, distribution and ecological role of Southern Hemisphere fin whales.…”
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904
Molecular physiology of Antarctic diatom natural assemblages and bloom event reveal insights into strategies contributing to their ecological success
Published 2024-03-01“…The metatranscriptomic survey performed here reveals functional differences in diatom communities and provides further insight into the environmental factors influencing the growth of diatoms and their predicted response to changes in ocean conditions.IMPORTANCEIn the Southern Ocean, phytoplankton must cope with harsh environmental conditions such as low light and growth-limiting concentrations of the micronutrient iron. …”
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905
Stable isotopes infer the diet and habitat of the enigmatic pygmy right whale (Caperea marginata) off southern Australia
Published 2023-07-01“…Unlike larger species of baleen whales that migrate further to highly productive waters in the Southern Ocean to meet their energetic demands, the small PRW, who only reach 6.5m, may sustain both feeding and breeding requirements at mid-latitudes. …”
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906
Underestimation of multi-decadal global O<sub>2</sub> loss due to an optimal interpolation method
Published 2024-02-01“…In contrast, pronounced biases are found in the equatorial oceans and the Southern Ocean, where the sampling density is relatively low. …”
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907
Big data in Antarctic sciences – current status, gaps, and future perspectives
Published 2023-09-01“…While important data have been collected and observation networks have been built in Antarctica and the Southern Ocean, this is a relatively data-scarce region due to the challenges of remote data acquisition, expensive labor, and harsh environmental conditions. …”
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908
Earth System Model Aerosol–Cloud Diagnostics (ESMAC Diags) package, version 2: assessing aerosols, clouds, and aerosol–cloud interactions via field campaign and long-term observati...
Published 2023-11-01“…It currently includes six field campaigns and two permanent sites covering four geographical regions: the eastern North Atlantic, the central US, the northeastern Pacific, and the Southern Ocean. These regions produce frequent liquid- or mixed-phase clouds, with extensive measurements available from the DOE Atmospheric Radiation Measurement user facility and other agencies. …”
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909
Regional temperature extremes and vulnerability under net zero CO2 emissions
Published 2023-01-01“…In contrast, the Southern Ocean continues warming over the century after emissions cessation. …”
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910
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911
Zinc and cadmium in benthic foraminifera as tracers of ocean paleochemistry
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912
Impact of iron fertilisation on atmospheric CO<sub>2</sub> during the last glaciation
Published 2023-07-01“…We show that the decrease in CO<span class="inline-formula"><sub>2</sub></span> as a function of Southern Ocean iron input follows an exponential decay relationship. …”
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913
Early winter barium excess in the southern Indian Ocean as an annual remineralisation proxy (GEOTRACES GIPr07 cruise)
Published 2022-07-01“…<p>The Southern Ocean (SO) is of global importance to the carbon cycle, and processes such as mesopelagic remineralisation that impact the efficiency of the biological carbon pump in this region need to be better constrained. …”
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914
In situ measurements of cloud microphysics and aerosol over coastal Antarctica during the MAC campaign
Published 2017-11-01“…<br><br> The concentration of large aerosols (diameters 0.5 to 1.6 µm) decreased with altitude and were depleted in air masses that originated over the Antarctic continent compared to those more heavily influenced by the Southern Ocean and sea ice regions. The dominant aerosol in the region was hygroscopic in nature, with the hygroscopicity parameter <i>κ</i> having a median value for the campaign of 0.66 (interquartile range of 0.38). …”
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915
Assessment of Annual Physico-Chemical Variability via High-Temporal Resolution Monitoring in an Antarctic Shallow Coastal Site (Terra Nova Bay, Ross Sea)
Published 2021-04-01“…The Southern Ocean is an important atmospheric carbon sink, and potential changes in the carbon flux in this region will affect the ocean as a whole. …”
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916
In situ observation of riming in mixed-phase clouds using the PHIPS probe
Published 2022-06-01“…Here, we investigated riming in mixed-phase clouds during three airborne campaigns in the Arctic, the Southern Ocean and US east coast. Riming was observed from stereo-microscopic cloud particle images recorded with the Particle Habit Imaging and Polar Scattering (PHIPS) probe. …”
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917
Seasonal Variations in the Biochemical Compositions of Phytoplankton and Transparent Exopolymer Particles (TEPs) at Jang Bogo Station (Terra Nova Bay, Ross Sea), 2017–2018
Published 2021-08-01“…However, little information on their characteristics in the Southern Ocean is available, particularly in winter. To investigate the seasonal characteristics of POM and TEPSs, seawater samples were collected once every two weeks from November 2017 to October 2018 at Jang Bogo Station (JBS) located on the coast of Terra Nova Bay in the Ross Sea. …”
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918
Evaluating the impact of enhanced horizontal resolution over the Antarctic domain using a variable-resolution Earth system model
Published 2023-09-01“…Here we evaluate a historical simulation of the Community Earth System Model version 2 (CESM2) implementing the spectral element (SE) numerical dynamical core (VR-CESM2) with an enhanced-horizontal-resolution (0.25<span class="inline-formula"><sup>∘</sup></span>) grid over the Antarctic Ice Sheet and the surrounding Southern Ocean; the rest of the global domain is on the standard 1<span class="inline-formula"><sup>∘</sup></span> grid. …”
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919
Evaporative controls on Antarctic precipitation: an ECHAM6 model study using innovative water tracer diagnostics
Published 2024-02-01“…We quantified this dynamic control of Southern Ocean surface wind on moisture availability for Antarctic precipitation. …”
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920