Impacts of vertical convective mixing schemes and freshwater forcing on the 2016–2017 Maud Rise polynya openings in a regional ocean simulation

B Gülk, F Roquet, AC Naveira Garabato… - Journal of Advances …, 2024 - Wiley Online Library
The correct representation of the Maud Rise open‐ocean polynya in the Weddell Sea
remains a challenge for ocean models. Here we reproduce the most recent polynya …

[HTML][HTML] Individual and joint estimation of humpback whale migratory patterns and their environmental drivers in the Southwest Atlantic Ocean

L Bedriñana-Romano, AN Zerbini, A Andriolo… - Scientific reports, 2022 - nature.com
Humpback whales (Megaptera novaeangliae) perform seasonal migrations from high
latitude feeding grounds to low latitude breeding and calving grounds. Feeding grounds at …

Early winter triggering of the Maud Rise polynya

L Zhou, C Heuzé, M Mohrmann - Geophysical Research Letters, 2022 - Wiley Online Library
Abstract What triggers Maud Rise polynya, a large opening in the winter Antarctic sea ice, is
still debated. We show that the upcoming opening of all Maud Rise polynyas can be …

Weddell Sea phytoplankton blooms modulated by sea ice variability and polynya formation

L von Berg, CJ Prend, EC Campbell… - Geophysical …, 2020 - Wiley Online Library
Seasonal sea ice retreat is known to stimulate Southern Ocean phytoplankton blooms, but
depth‐resolved observations of their evolution are scarce. Autonomous float measurements …

Latitudinal gradient consistency in carbon and nitrogen stable isotopes of particulate organic matter in the Southern Ocean

B Espinasse, EA Pakhomov, BPV Hunt… - Marine Ecology Progress …, 2019 - int-res.com
The Southern Ocean is characterized by strong latitudinal gradients that delimit areas which
differ in terms of hydrological properties and production dynamics. Stable isotope values of …

[HTML][HTML] Paleoproductivity and deep-sea oxygenation in Cosmonaut Sea since the last glacial maximum: impact on atmospheric CO2

L Hu, Y Zhang, Y Wang, P Ma, W Wu, Q Ge… - Frontiers in Marine …, 2023 - frontiersin.org
The paleoproductivity in the Southern Ocean plays a crucial role in controlling the
atmospheric CO2 concentration. Here, we present the sediment record of gravity core …

[HTML][HTML] On the role of the Antarctic Slope Front on the occurrence of the Weddell Sea polynya under climate change

JW Lockwood, CO Dufour, SM Griffies… - Journal of …, 2021 - journals.ametsoc.org
This study investigates the occurrence of the Weddell Sea polynya under an idealized
climate change scenario by evaluating simulations from climate models of different ocean …

[PDF][PDF] New record of explosive warmings in East Antarctica

S Wang, M Ding, G Liu, S Zhao, W Zhang, X Li… - Science …, 2023 - researchgate.net
Antarctica is considered as an important component of the global climate system, not only
because of its ability to drive global sea-level rise through ice melting [1], but also because …

Interannual variability of the outflow of Weddell Sea Bottom Water

AL Gordon, BA Huber… - Geophysical Research …, 2020 - Wiley Online Library
Abstract The Weddell Sea Bottom Water (WSBW) export from 1999 to 2019 displays distinct
seasonal and interannual variability. From 2014 into 2017 a marked salinity decrease was …

[HTML][HTML] Atmospheric controls on the Terra Nova Bay polynya occurrence in Antarctica

R Fonseca, D Francis, G Aulicino, KS Mattingly… - Climate Dynamics, 2023 - Springer
Polynyas, or ice-free regions within the sea ice pack, are a common occurrence around
Antarctica. A recurrent and often large polynya is the Terra Nova Bay Polynya (TNBP) …