Publications
In review
BIOPERIANT12: a mesoscale resolving coupled physics-biogeochemical model for the Southern Ocean
Nicolette Chang, Sarah-Anne Nicholson, Marcel du Plessis, Alice D. Lebehot, Thulwaneng Mashifane, Tumelo C. Moalusi, N. Precious Mongwe, Pedro M. S. Monteiro
Geoscientific Model Development. DOI:10.5194/gmd-2024-182Storms regulate Southern Ocean summer warming
Marcel du Plessis, Sarah-Anne Nicholson, Isabelle Giddy, Pedro Monteiro, Channing Prend, Sebastiaan Swart
Springer Preprint. DOI:10.21203/rs.3.rs-4803659/v1Waves drive ocean surface boundary layer mixing in Southern Ocean during summertime
I. Giddy, D. Whitt, I. Fer, S. Swart, S. Nicholson
Journal of Physical Oceanography, in review.
2025
Satellite-derived global-ocean phytoplankton phenology indices
Sarah-Anne Nicholson, Thomas J. Ryan-Keogh, Sandy J. Thomalla, Nicolette Chang, Marié E. Smith
Earth System Science Data, 17(5), 1959–1975. DOI:10.5194/essd-17-1959-2025The Southern Ocean Coupled Carbon and Climate Feedback Links to the Earth System
Pedro M. S. Monteiro, Philip W. Boyd, Judith Hauck, Laurie Menviel, Precious Mongwe, Sarah Nicholson, Sandy Thomalla, Brian Ward
In Antarctica and the Earth System, Routledge, pp. 87–114.
DOI:10.4324/9781003406471-5Uncrewed surface vehicles in the Global Ocean Observing System: a new frontier for observing and monitoring at the air-sea interface
Ruth G. Patterson, Meghan F. Cronin, Sebastiaan Swart, Joana Beja, Johan M. Edholm, Jason McKenna, Jaime B. Palter, Alex Parker, Charles I. Addey, Wieter Boone, Paban Bhuyan, Justin J. H. Buck, Eugene F. Burger, James Burris, Lionel Camus, Brad de Young, Marcel du Plessis, Mike Flanigan, Gregory R. Foltz, Sarah T. Gille, Laurent Grare, Jeff E. Hansen, Lars Robert Hole, Makio C. Honda, Verena Hormann, Catherine Kohlman, Naoko Kosaka, Carey Kuhn, Luc Lenain, Lev Looney, Andreas Marouchos, Elizabeth K. McGeorge, Clive R. McMahon, Satoshi Mitarai, Calvin Mordy, Akira Nagano, Sarah-Anne Nicholson, Sarah Nickford, Kevin M. O’Brien, David Peddie, Leandro Ponsoni, Virginie Ramasco, Nick Rozenauers, Elizabeth Siddle, Cheyenne Stienbarger, Adrienne J. Sutton, Noriko Tada, Jim Thomson, Iwao Ueki, Lisan Yu, Chidong Zhang, Dongxiao Zhang
Frontiers in Marine Science, 12.
DOI:10.3389/fmars.2025.1523585
2024
Storm‐Driven pCO₂ Feedback Weakens the Response of Air‐Sea CO₂ Fluxes…
Tesha Toolsee, Sarah‐Anne Nicholson, Pedro M. S. Monteiro
Geophysical Research Letters, 51(9). DOI:10.1029/2023GL107804Best practices recommendations for estimating dissipation rates from shear probes
Rolf Lueck, Ilker Fer, Cynthia Bluteau, Marcus Dengler, Peter Holtermann, Ryuichiro Inoue, Arnaud LeBoyer, Sarah-Anne Nicholson, Kirstin Schulz, Craig Stevens
Frontiers in Marine Science, 11. DOI:10.3389/fmars.2024.1334327The Southern Ocean Carbon-Climate Observatory (SOCCO): A South African-Led Ocean-Climate Science and Innovation Programme that Links Fine Scale Dynamics to Large Scale Carbon-Climate Feedbacks
Sandy J Thomalla, Nicolette Chang, Previous Mongwe, Sarah-Anne Nicholson, Thomas J Ryan-Keogh, Pedro MS Monteiro
CLIVAR Exchanges, 83. DOI:10.36071/clivar.83.2024
2023
The Heat and Carbon Characteristics of Modeled Mesoscale Eddies in the South–East Atlantic Ocean
T. G. Smith, S.-A. Nicholson, F. A. Engelbrecht, N. Chang, N. P. Mongwe, P. M. S. Monteiro
Journal of Geophysical Research: Oceans, 128(12).
DOI:10.1029/2023JC020337Widespread changes in Southern Ocean phytoplankton blooms linked to climate drivers
Sandy J. Thomalla, Sarah-Anne Nicholson, Thomas J. Ryan-Keogh, Marié E. Smith
Nature Climate Change, 13(9), 975–984.
DOI:10.1038/s41558-023-01768-4Vertical Convergence of Turbulent and Double-Diffusive Heat Flux Drives Warming and Erosion of Antarctic Winter Water in Summer
I. S. Giddy, I. Fer, S. Swart, S.-A. Nicholson
Journal of Physical Oceanography, 53(8), 1941–1958.
DOI:10.1175/JPO-D-22-0259.1Sea‐Ice Impacts Inter‐Annual Variability of Phytoplankton Bloom Characteristics and Carbon Export in the Weddell Sea
I. S. Giddy, S.-A. Nicholson, B. Y. Queste, S. Thomalla, S. Swart
Geophysical Research Letters, 50(16).
DOI:10.1029/2023GL103695The Southern Ocean mixed layer and its boundary fluxes: fine-scale observational progress and future research priorities
Sebastiaan Swart, Marcel D. du Plessis, Sarah-Anne Nicholson, Pedro M. S. Monteiro, Lilian A. Dove, Sandy Thomalla, Andrew F. Thompson, Louise C. Biddle, Johan M. Edholm, Isabelle Giddy, Karen J. Heywood, … See all authors
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 381(2249), Published: 08 May 2023.
DOI:10.1098/rsta.2022.0058Southern Ocean phytoplankton dynamics and carbon export: insights from a seasonal cycle approach
Sandy J. Thomalla, Marcel Du Plessis, Nicolas Fauchereau, Isabelle Giddy, Luke Gregor, Stephanie Henson, Warren R. Joubert, Hazel Little, Pedro M. S. Monteiro, Thato Mtshali, Sarah Nicholson, … See all authors
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 381(2249), Published: 08 May 2023.
DOI:10.1098/rsta.2022.0068Southern Ocean carbon and heat impact on climate
The SO-CHIC consortium, J. B. Sallée, E. P. Abrahamsen, C. Allaigre, M. Auger, H. Ayres, R. Badhe, J. Boutin, J. A. Brearley, C. de Lavergne, A. M. M. ten Doeschate, E. S. Droste, M. D. du Plessis, D. Ferreira, … See all authors
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 381(2249), Published: 08 May 2023.
DOI:10.1098/rsta.2022.0056
2022
Atmospheric Rivers Contribute to Summer Surface Buoyancy Forcing in the Atlantic Sector of the Southern Ocean
Johan M. Edholm, Sebastiaan Swart, Marcel D. du Plessis, Sarah‐Anne Nicholson
Geophysical Research Letters, 49(17).
DOI:10.1029/2022GL100149Storms drive outgassing of CO₂ in the subpolar Southern Ocean
Sarah-Anne Nicholson, D. B. Whitt, Ilker Fer, et al.
Nature Communications, 13, 158 (2022).
DOI:10.1038/s41467-021-27780-wDeveloping an Observing Air–Sea Interactions Strategy (OASIS) for the global ocean
M. F. Cronin, S. Swart, C. A. Marandino, C. Anderson, P. Browne, S. Chen, W. R. Joubert, U. Schuster, R. Venkatesan, C. I. Addey, O. Alves, F. Ardhuin, S. Battle, M. A. Bourassa, Z. Chen, M. Chory, C. Clayson, R. B. de Souza, M. du Plessis, M. Edmondson, J. B. Edson, S. T. Gille, J. Hermes, V. Hormann, S. A. Josey, M. Kurz, T. Lee, F. Maicu, E. H. Moustahfid, S.-A. Nicholson, E. S. Nyadjro, J. Palter, R. G. Patterson, S. G. Penny, L. P. Pezzi, N. Pinardi, J. E. J. Reeves Eyre, N. Rome, A. C. Subramanian, C. Stienbarger, T. Steinhoff, A. J. Sutton, H. Tomita, S. M. Wills, C. Wilson, L. Yu
ICES Journal of Marine Science, 80(2), 367–373.
DOI:10.1093/icesjms/fsac149The Daily-Resolved Southern Ocean Mixed Layer: Regional Contrasts Assessed Using Glider Observations
M. D. du Plessis, S. Swart, L. C. Biddle, I. S. Giddy, P. M. S. Monteiro, C. J. C. Reason, A. F. Thompson, S.-A. Nicholson
Journal of Geophysical Research: Oceans, First published: 23 March 2022.
DOI:10.1029/2021JC017760
2021
- Stirring of Sea‐Ice Meltwater Enhances Submesoscale Fronts in the Southern Ocean
Isabelle Giddy, Sebastiaan Swart, Marcel du Plessis, Andrew F. Thompson, Sarah‐Anne Nicholson
Journal of Geophysical Research: Oceans, 126(4), 2021. DOI:10.1029/2020JC016814
2020
- Submesoscale Fronts in the Antarctic Marginal Ice Zone and Their Response to Wind Forcing
Sebastiaan Swart, Marcel D. du Plessis, Andrew F. Thompson, Louise C. Biddle, Isabelle Giddy, Torsten Linders, Martin Mohrmann, Sarah‐Anne Nicholson
Geophysical Research Letters, 47(6), 2020. DOI:10.1029/2019GL086649
2019
Iron Supply Pathways Between the Surface and Subsurface Waters of the Southern Ocean: From Winter Entrainment to Summer Storms
Sarah‐Anne Nicholson, Marina Lévy, Julien Jouanno, Xavier Capet, Sebastiaan Swart, Pedro M. S. Monteiro
Geophysical Research Letters, 46(24), 14567–14575, 2019. DOI:10.1029/2019GL084657Global Impacts of Subseasonal (<60 Day) Wind Variability on Ocean Surface Stress, Buoyancy Flux, and Mixed Layer Depth
D. B. Whitt, Sarah A. Nicholson, M. M. Carranza
Journal of Geophysical Research: Oceans, 124(12), 8798–8831, 2019. DOI:10.1029/2019JC015166GliderTools: A Python Toolbox for Processing Underwater Glider Data
Luke Gregor, Thomas J. Ryan-Keogh, Sarah-Anne Nicholson, Marcel du Plessis, Isabelle Giddy, Sebastiaan Swart
Frontiers in Marine Science, 6, 738, 2019. DOI:10.3389/fmars.2019.00738OceanGliders: A Component of the Integrated GOOS
Pierre Testor, Brad de Young, Daniel L. Rudnick, Scott Glenn, Daniel Hayes, Craig M. Lee, … Sarah Nicholson, … Doug Wilson
Frontiers in Marine Science, 6, 422, 2019. DOI:10.3389/fmars.2019.00422Seasonal Depletion of the Dissolved Iron Reservoirs in the Sub-Antarctic Zone of the Southern Atlantic Ocean
T. N. Mtshali, N. R. Horsten, S. J. Thomalla, T. J. Ryan-Keogh, S.-A. Nicholson, A. N. Roychoudhury, E. Bucciarelli, G. Sarthou, A. Tagliabue, P. M. S. Monteiro
Geophysical Research Letters, 46(8), 4386–4395, 2019. DOI:10.1029/2018GL081355
2017
- Evaluation of Satellite and Reanalysis Wind Products with In Situ Wave Glider Wind Observations in the Southern Ocean
Kevin M. Schmidt, Sebastiaan Swart, Chris Reason, Sarah-Anne Nicholson
Journal of Atmospheric and Oceanic Technology, 34(12), 2551–2568, 2017. DOI:10.1175/JTECH-D-17-0079.1
2016
- Investigation into the impact of storms on sustaining summer primary productivity in the Sub‐Antarctic Ocean
Sarah‐Anne Nicholson, Marina Lévy, Joan Llort, Sebastiaan Swart, Pedro M. S. Monteiro
Geophysical Research Letters, 43(17), 9192–9199, 2016. DOI:10.1002/2016GL069973