Changing state of the climate system

SK Gulev, PW Thorne, J Ahn, FJ Dentener… - 2021 - centaur.reading.ac.uk
2 Chapter 2 assesses observed large-scale changes in climate system drivers, key climate
indicators and 3 principal modes of variability. Chapter 3 considers model performance and …

Record low Antarctic sea ice cover in February 2022

J Turner, C Holmes, T Caton Harrison… - Geophysical …, 2022 - Wiley Online Library
Abstract On 25 February 2022 Antarctic sea ice extent dropped to a satellite‐era record low
level of 1.92× 106 km2, 0.92× 106 km2 below the long‐term mean. The area of sea ice was …

A regime shift in seasonal total Antarctic sea ice extent in the twentieth century

RL Fogt, AM Sleinkofer, MN Raphael… - Nature Climate …, 2022 - nature.com
In stark contrast to the Arctic, there have been statistically significant positive trends in total
Antarctic sea ice extent since 1979. However, the short and highly variable nature of …

Emerging biological archives can reveal ecological and climatic change in Antarctica

JM Strugnell, HV McGregor, NG Wilson… - Global Change …, 2022 - Wiley Online Library
Anthropogenic climate change is causing observable changes in Antarctica and the
Southern Ocean including increased air and ocean temperatures, glacial melt leading to sea …

Antarctic sea ice over the past 130 000 years–part 1: a review of what proxy records tell us

X Crosta, KE Kohfeld, HC Bostock… - Climate of the …, 2022 - cp.copernicus.org
Antarctic sea ice plays a critical role in the Earth system, influencing energy, heat and
freshwater fluxes, air–sea gas exchange, ice shelf dynamics, ocean circulation, nutrient …

CMIP6 models rarely simulate Antarctic winter sea‐ice anomalies as large as observed in 2023

R Diamond, LC Sime, CR Holmes… - Geophysical Research …, 2024 - Wiley Online Library
In 2023, Antarctic sea‐ice extent (SIE) reached record lows, with winter SIE falling to 2.5
Mkm2 below the satellite era average. With this multi‐model study, we investigate the …

Reconstructing atmospheric circulation and sea-ice extent in the West Antarctic over the past 200 years using data assimilation

Q Dalaiden, H Goosse, J Rezsöhazy, ER Thomas - Climate Dynamics, 2021 - Springer
Abstract The West Antarctic climate has witnessed large changes during the second half of
the twentieth century including a strong and widespread continental warming, important …

Novel method to quantify trace amounts of isoprene and monoterpene secondary organic aerosol-markers in antarctic ice

EE Bushrod, ER Thomas, A Zherebker… - … Science & Technology, 2024 - ACS Publications
Biogenic volatile organic compounds (BVOCs) contribute to the formation of secondary
organic aerosol (SOA) through atmospheric oxidation. Previously detected SOA-markers in …

[HTML][HTML] Development, intercomparison, and evaluation of an improved mechanism for the oxidation of dimethyl sulfide in the UKCA model

BA Cala, S Archer-Nicholls, J Weber… - Atmospheric …, 2023 - acp.copernicus.org
Dimethyl sulfide (DMS) is an important trace gas emitted from the ocean. The oxidation of
DMS has long been recognised as being important for global climate through the role DMS …

Deglacial and Holocene sea-ice and climate dynamics in the Bransfield Strait, northern Antarctic Peninsula

ME Vorrath, J Müller, P Cárdenas, T Opel… - Climate of the …, 2023 - cp.copernicus.org
The reconstruction of past sea-ice distribution in the Southern Ocean is crucial for an
improved understanding of ice–ocean–atmosphere feedbacks and the evaluation of Earth …