Explanipedia

Extreme temperature trends in Antarctica exacerbated by explosive atmospheric rivers Open

Vincent Favier, Juliette Blanchet, Niels Dutrievoz, Benjamin Pohl, Kyle R. Clem , et al. · 2025

In many regions, extreme temperatures increase faster than background global warming due to complex atmospheric circulation changes. This has been overlooked in Antarctica. Here, we examine extreme temperatures recorded at 16 weather stati…

Future Atmospheric Rivers in Antarctica: characteristics and impacts with the IPSL model. Open

Léonard Barthélemy, Francis Codron, Jonathan Wille, Vincent Favier, Kyle R. Clem · 2025

Water vapour isotope anomalies during an atmospheric river event at Dome C, East Antarctica Open

Niels Dutrievoz, Cécile Agosta, Cécile Davrinche, Amaëlle Landais, Sébastien Nguyen , et al. · 2025

From 19 to 23 December 2018, an atmospheric river sourced in the Atlantic hit the French-Italian Concordia station, located at Dome C, East Antarctic Plateau, 3 233 m above sea level. It induced a significant surface warming (+ 18 °C in 3 …

Supplementary material to "Water vapour isotope anomalies during an atmospheric river event at Dome C, East Antarctica" Open

Niels Dutrievoz, Cécile Agosta, Cécile Davrinche, Amaëlle Landais, Sébastien Nguyen , et al. · 2025

Multiproxy analyses of multiple firn cores from coastal Adélie Land covering the last 40 years Open

Titouan Tcheng, Élise Fourré, Christophe Leroy‐Dos Santos, Frédéric Parrenin, E. Le Meur , et al. · 2025

Water stable isotope signals recorded in shallow firn cores are essential to constrain the variations of climate and atmospheric water cycle over the past decades to centuries. However, deposition and post-deposition effects add additional…

Supplementary material to "Snow accumulation rates at Concordia Station, Antarctica, observed by stake farms" Open

Claudio Stefanini, Barbara Stenni, Mauro Masiol, Giuliano Dreossi, Vincent Favier , et al. · 2025

Snow accumulation rates at Concordia Station, Antarctica, observed by stake farms Open

Claudio Stefanini, Barbara Stenni, Mauro Masiol, Giuliano Dreossi, Vincent Favier , et al. · 2025

In this study, surface mass balance (SMB) is estimated from snow accumulation data collected in the nearby area of Concordia Station, Antarctica. Results from the Italian and French stake farms are jointly analysed. The Italian stake farm …

Publisher Correction: Atmospheric rivers in Antarctica Open

Jonathan Wille, Vincent Favier, Irina Gorodetskaya, Cécile Agosta, Rebecca Baiman , et al. · 2025

Snow accumulation rates at Concordia Station from stake farm observations Open

Claudio Stefanini, Barbara Stenni, Mauro Masiol, Giuliano Dreossi, Massimo Frezzotti , et al. · 2025

In this study, surface mass balance (SMB) is estimated from snow accumulation data collected in the nearby area of Concordia Station. Results from the Italian and French stake farms are jointly analyzed. The Italian stake farm is located ~…

Late Holocene record of subantarctic glacier variability in Table Fjord, Cook Ice Cap, Kerguelen Islands Open

Léo Chassiot, Emmanuel Chapron, Élisabeth Michel, Vincent Jomelli, Vincent Favier , et al. · 2024

Tropical Cyclones and strong MJO events as precursors of summertime Antarctic atmospheric rivers Open

Benjamin Pohl, Kyle R. Clem, Vincent Favier, Rebecca Baiman, Deniz Bozkurt , et al. · 2024

Antarctic atmospheric rivers (ARs) are rare but high-impact events that have a major influence on the surface mass and energy balance of the ice sheet, by causing strong positive anomalies in temperature and precipitation. Previous studies…

Caveats of the Isotopic Paleothermometer: Spatial and Temporal Isotope – Temperature Relationships Open

Mathieu Casado, Adriana Bailey, Christophe Leroy dos Santos, Élise Fourré, Vincent Favier , et al. · 2024

Water isotopes are a tracer of hydrological processes and a paleoclimate proxy from ice core records. The isotopic signal is acquired throughout the hydrological cycle, from evaporation over the ocean, during each precipitation event, and …

An annually resolved chronology for the Mount Brown South ice cores, East Antarctica Open

Tessa R. Vance, Nerilie J. Abram, Alison S. Criscitiello, Camilla K. Crockart, Aylin DeCampo , et al. · 2024

Climate reconstructions of the last millennium rely on networks of high-resolution and well-dated proxy records. This study presents age-at-depth data and preliminary results from the new Mount Brown South (MBS) ice cores, collected at an …

Future Atmospheric Rivers in Antarctica : intensity and impacts Open

Léonard Barthélemy, Francis Codron, Vincent Favier, Jonathan Wille · 2024

Atmospheric rivers (ARs) are extreme hydrological events that have strong impacts on the Antarctic surface mass balance (SMB), through both snow accumulation and surface melt due to heating and rain. To estimate their impacts on future SMB…

Examining Atmospheric River Life Cycles in East Antarctica Open

Jonathan Wille, Benjamin Pohl, Vincent Favier, Andrew C. Winters, Rebecca Baiman , et al. · 2024

During atmospheric river (AR) landfalls on the Antarctic ice sheet, the high waviness of the circumpolar polar jet stream allows for subtropical air masses to be advected toward the Antarctic coastline. These rare but high‐impact AR events…

Synoptic and planetary-scale dynamics modulate Antarctic atmospheric river precipitation intensity Open

Rebecca Baiman, Andrew C. Winters, Benjamin Pohl, Vincent Favier, Jonathan Wille , et al. · 2024

Surface melt over the Antarctic Peninsula: targeted observations capturing recent extreme events Open

Irina Gorodetskaya, Claudio Durán-Alarcón, Penny M. Rowe, Xun Zou, Sang‐Jong Park , et al. · 2024

The recent two years have been marked by many regional climate-state extremes particularly over the southern polar region including record-high surface melt over the Antarctic Peninsula in February 2022 (Gorodetskaya et al., 2023; Zou et a…

From atmospheric water isotopes measurement to firn core interpretation in coastal sites: A method for isotope-enabled atmospheric models in East Antarctica Open

Christophe Leroy‐Dos Santos, Élise Fourré, Cécile Agosta, Mathieu Casado, Alexandre Cauquoin , et al. · 2024

In a context of global warming, it is key to estimate the evolution of the atmospheric hydrological cycle and temperature in the polar regions. Since records are only available from satellite data for the last 40 years, one of the best way…

Discriminators of Antarctic Atmospheric River Environments             Open

Rebecca Baiman, Andrew C. Winters, Benjamin Pohl, Vincent Favier, Jonathan Wille , et al. · 2024

Although rare, atmospheric rivers (ARs) substantially influence the interannual variability of Antarctic surface mass balance. We identify characteristics unique to AR environments by comparing (1) AR, (2) Analog (environments that feature…

Impact of accumulation rate on firn core water isotopic records from a same region of Adelie Land with high katabatic winds Open

Élise Fourré, Anaïs Orsi, Titouan Tcheng, Louisa Brückner, Roxanne Jacob , et al. · 2024

Whereas water isotopic records from polar deep ice cores can be interpreted at first order in terms of site temperature, the isotopic signature recorded in shallow cores from Adelie Land (coastal East Antarctica) is less straightforward to…

Multiproxy analyses for a network of firn cores covering the last 40 years from coastal Adélie Land  Open

Titouan Tcheng, Élise Fourré, Léa Baubant, Coralie Lassalle-Bernard, Roxanne Jacob , et al. · 2024

Water stable isotopes signals recorded in snow, firn and ice cores were successfully used to investigate past temperatures on glacial/interglacial scales (Jouzel and Masson-Delmotte 2010, Dansgaard, 1964). However, as evidenced by Goursaud…

Future Atmospheric Rivers in Antarctica using CMIP6-IPSL model : intensity and impacts Open

Léonard Barthélemy, Francis Codron, Vincent Favier, Jonathan Wille · 2024

Atmospheric Rivers (AR) are extreme hydrological events that have strong impacts on the different components of the Antarctic ice sheet surface mass balance (SMB), through both snow accumulation and surface melt due to heating and rain. Th…

Satellite-based detection of snow wetness and wave-induced surface wetting of Antarctic sea ice Open

M. Stentella, Ghislain Picard, Petra Heil, Stuart Corney, Jonathan Wille , et al. · 2024

Sea ice is a fundamental, highly variable element of the polar environments. Its variability deeply affects, not only the local climate- and ecosystem but also the global Earth system. Until recently Arctic sea ice experienced a general re…

Late Pleistocene glaciations on the sub-Antarctic Kerguelen Archipelago: new evidence from 36Cl CRE dating and comparison with other southern mid-latitude glacier records Open

Joanna Charton, Irene Schimmelpfennig, Vincent Jomelli, Déborah Verfaillie, Guillaume Delpech , et al. · 2024

Extreme events of snow grain size increase in East Antarctica and their relationship with meteorological conditions Open

Claudio Stefanini, Giovanni Macelloni, Marion Leduc‐Leballeur, Vincent Favier, Benjamin Pohl , et al. · 2024

This study explores the seasonal variations in snow grain size on the East Antarctic Plateau, where dry metamorphism occurs, by using microwave radiometer observations from 2000 to 2022. Local meteorological conditions and large-scale atmo…

Polar Aerosol Atmospheric Rivers: Detection, Characteristics, and Potential Applications Open

Rémy Lapere, Jennie L. Thomas, Vincent Favier, Hélène Angot, Julia Asplund , et al. · 2024

Aerosols play a key role in polar climate, and are affected by long‐range transport from the mid‐latitudes, both in the Arctic and Antarctic. This work investigates poleward extreme transport events of aerosols, referred to as polar aeroso…

Record-high Antarctic Peninsula temperatures and surface melt in February 2022: a compound event with an intense atmospheric river Open

Irina Gorodetskaya, Claudio Durán-Alarcón, Sergi González, Kyle R. Clem, Xun Zou , et al. · 2023

The Extraordinary March 2022 East Antarctica “Heat” Wave. Part I: Observations and Meteorological Drivers Open

Jonathan Wille, Simon P. Alexander, Charles Amory, Rebecca Baiman, Léonard Barthélemy , et al. · 2023

Between 15 and 19 March 2022, East Antarctica experienced an exceptional heat wave with widespread 30°–40°C temperature anomalies across the ice sheet. This record-shattering event saw numerous monthly temperature records being broken incl…

The Extraordinary March 2022 East Antarctica “Heat” Wave. Part II: Impacts on the Antarctic Ice Sheet Open

Jonathan Wille, Simon P. Alexander, Charles Amory, Rebecca Baiman, Léonard Barthélemy , et al. · 2023

Between 15 and 19 March 2022, East Antarctica experienced an exceptional heat wave with widespread 30°–40°C temperature anomalies across the ice sheet. In Part I, we assessed the meteorological drivers that generated an intense atmospheric…

Towards Operational Fiducial Reference Measurement (FRM) Data for the Calibration and Validation of the Sentinel-3 Surface Topography Mission over Inland Waters, Sea Ice, and Land Ice Open

Élodie Da Silva, Emma Woolliams, Nicolas Picot, Jean-Christophe Poisson, Henriette Skourup , et al. · 2023

The Copernicus Sentinel-3 Surface Topography Mission (STM) Land Altimetry provides valuable surface elevation information over inland waters, sea ice, and land ice, thanks to its synthetic aperture radar (SAR) altimeter and its orbit that …

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