ARCA

Données

2026-07-14T23:51:16Z

Les catalogues des occurrences de rivières atmosphériques (AR) à chaque station en Antarctique sont librement accessibles. Veuillez contacter Jonathan Wille (jonathan.wille univ-grenoble-alpes.fr) ou Vincent Favier (vincent.favier univ-grenoble-alpes.fr) pour obtenir le catalogue correspondant à votre zone d'étude.

Les ARDT (Atmospheric River Detection Tools) sont librement disponibles aux adresses suivantes :

ARDT de Wille (scripts vIVT/IWV issus de Wille et al., 2019) : https://zenodo.org/records/14646124

Le nouvel algorithme de détection des rivières atmosphériques DARK de Buffet et al. (2026) : https://zenodo.org/records/17100520

Algorithme de détection des rivières atmosphériques d'aérosols polaires (p-AAR) (codes de traitement et de détection) de Lzpere et al. (2024), ainsi que les catalogues fondés sur les flux intégrés verticalement de MERRA-2, à une résolution spatiale de 1° × 1° et couvrant la période 1980–2022, sont disponibles à l'adresse suivante : https://doi-org.insu.bib.cnrs.fr/10.5281/zenodo.8082768

Les séries temporelles des isotopes de l'eau et des teneurs en aérosols dans la vapeur d'eau aux stations de Dumont d'Urville, Dome C et Davis sont disponibles dans les jeux de données suivants :

https://doi.org/10.5281/zenodo.7708489
https://doi.org/10.1594/PANGAEA.974597

Publication du projet ARCA

2026-07-14T23:51:04Z

Baiman, R., Winters, A.C., Pohl, B., Favier, V., Wille, J.D., Clem, K.R., 2024. Synoptic and planetary-scale dynamics modulate antarctic atmospheric river precipitation intensity. Communications Earth & Environment 5, 127. https://doi.org/10.1038/s43247-024-01307-9
Barthélemy, L., Codron, F., Wille, J., Favier, V., Clem, K.R., 2026. Future Atmospheric Rivers in Antarctica : Characteristics and Impacts With the IPSL Model. Journal of Geophysical Research : Atmospheres 131, e2025JD043398. https://doi.org/10.1029/2025JD043398
Bromwich, D. H., and Coauthors, 2024 : Winter Targeted Observing Periods during the Year of Polar Prediction in the Southern Hemisphere (YOPP-SH). Bull. Amer. Meteor. Soc., 105, E1662–E1684, https://doi.org/10.1175/BAMS-D-22-0249.1.
Bozkurt, D., Opazo, C., Marín, J.C., Clem, K.R., Pohl, B., Buffet, V., Favier, V., Carrasco-Escaff, T., Barrett, B.S., 2026. A Multi-Method Antarctic Atmospheric Blocking Dataset (1979–2024). Earth Syst. Sci. Data Discuss. 1–33. https://doi.org/10.5194/essd-2026-55
Buffet, V., Favier, V., Pohl, B., Wille, J.D., 2026. Curved atmospheric rivers and their moisture remnants : a new detection tool for Antarctica. EGUsphere 2026, 1–32. https://doi.org/10.5194/egusphere-2025-6365
Buffet, V., Pohl, B., Prince, H.D., Favier, V., Clem, K., Saucède, T., Jomelli, V., 2025. Atmospheric Rivers at the Kerguelen Islands : A Story through Weather Types. J. Appl. Meteorol. Climatol. 64, 299–315. https://doi.org/10.1175/JAMC-D-24-0018.1
Clem, K.R., Raphael, M.N., Adusumilli, S., Baiman, R., Banwell, A.F., Barreira, S., Beadling, R.L., Colwell, S., Coy, L., Datta, R.T., Laat, J.D., Dunmire, D., Fogt, R.L., Freeman, N.M., Fricker, H.A., Gardner, A.S., Johnson, B., Keller, L.M., Kramarova, N.A., Lazzara, M.A., Lieser, J.L., MacFerrin, M., MacGilchrist, G.A., MacLennan, M.L., Massom, R.A., Mazloff, M.R., Mote, T.L., Nash, E.R., Newman, P.A., Norton, T., Petropavlovskikh, I., Pitts, M., Reid, P., Santee, M.L., Scambos, T.A., Shi, J.-R., Stammerjohn, S., Strahan, S.E., Thompson, A.F., Wille, J.D., Wilson, E., 2022. Antarctica and the Southern Ocean. Bulletin of the American Meteorological Society 103, S307–S340. https://doi.org/10.1175/BAMS-D-22-0078.1
Collow, A.B.M., Shields, C.A., Guan, B., Kim, S., Lora, J.M., McClenny, E.E., Nardi, K., Payne, A., Reid, K., Shearer, E.J., Tomé, R., Wille, J.D., Ramos, A.M., Gorodetskaya, I.V., Leung, L.R., O'Brien, T.A., Ralph, F.M., Rutz, J., Ullrich, P.A., Wehner, M., 2022b. An Overview of ARTMIP's Tier 2 Reanalysis Intercomparison : Uncertainty in the Detection of Atmospheric Rivers and Their Associated Precipitation. Journal of Geophysical Research : Atmospheres 127, e2021JD036155. https://doi.org/10.1029/2021JD036155
Crockart, C.K., Vance, T.R., Fraser, A.D., Abram, N.J., Criscitiello, A.S., Curran, M.A.J., Favier, V., Gallant, A.J.E., Kittel, C., Kjær, H.A., Klekociuk, A.R., Jong, L.M., Moy, A.D., Plummer, C.T., Vallelonga, P.T., Wille, J., Zhang, L., 2021. El Niño–Southern Oscillation signal in a new East Antarctic ice core, Mount Brown South. Climate of the Past 17, 1795–1818. https://doi.org/10.5194/cp-17-1795-2021
Donat-Magnin, M., Jourdain, N., Gallée, H., Amory, C., Kittel, C., Fettweis, X., Wille, J., Favier, V., Drira, A., Agosta, C., 2020. Interannual variability of summer surface mass balance and surface melting in the Amundsen sector, West Antarctica. The Cryosphere 14, 229–249. https://doi.org/10.5194/tc-14-229-2020
Dutrievoz, N., Agosta, C., Risi, C., Vignon, É., Nguyen, S., Landais, A., Fourré, E., Leroy-Dos Santos, C., Casado, M ., Masson-Delmotte, V., Jouzel, J., Duos, T., Ollivier, I., Stenni, B., Dreossi, G., Masiol, M., Minster, B. Prié, F. 2025. Antarctic water stable isotopes in the global atmospheric model LMDZ6 : From climatology to boundary layer processes. Journal of Geophysical Research : Atmospheres, 130, e2024JD042073. https://doi.org/10.1029/2024JD04207
Dutrievoz, N., Agosta, C., Davrinche, C., Landais, A., Nguyen, S., Vignon, É., Ollivier, I., Leroy-Dos Santos, C., Fourré, E., Casado, M., Wille, J., Favier, V., Minster, B., Prié, F., 2026. Water vapour isotope anomalies during an atmospheric river event at Dome C, East Antarctica. The Cryosphere 20, 1025–1046. https://doi.org/10.5194/tc-20-1025-2026
Frame, E., Pohl, B., Amory, C., Fettweis, X., Buffet, V., Bernard, E., Champagne, O., Favier, V., 2026. Rainfall and Rain-on-Snow Events Over Greenland in Summer : Climatology, Trends, Synoptics. Journal of Geophysical Research : Atmospheres 131, e2025JD044726. https://doi.org/10.1029/2025JD044726
Gorodetskaya, I.V., Durán-Alarcón, C., González-Herrero, S., Clem, K.R., Zou, X., Rowe, P., Rodriguez Imazio, P., Campos, D., Leroy-Dos Santos, C., Dutrievoz, N., Wille, J.D., Chyhareva, A., Favier, V., Blanchet, J., Pohl, B., Cordero, R.R., Park, S.-J., Colwell, S., Lazzara, M.A., Carrasco, J., Gulisano, A.M., Krakovska, S., Ralph, F.M., Dethinne, T., Picard, G., 2023. Record-high Antarctic Peninsula temperatures and surface melt in February 2022 : a compound event with an intense atmospheric river. npj Clim Atmos Sci 6, 202. https://doi.org/10.1038/s41612-023-00529-6
Lapere, R., Thomas, J.L., Favier, V., Angot, H., Asplund, J., Ekman, A.M.L., Marelle, L., Raut, J.-C., Da Silva, A., Wille, J.D., Zieger, P., 2024. Polar Aerosol Atmospheric Rivers : Detection, Characteristics, and Potential Applications. Journal of Geophysical Research : Atmospheres 129, e2023JD039606. https://doi.org/10.1029/2023jd039606
Leroy-Dos Santos, C., Fourré, E., Agosta, C., Casado, M., Cauquoin, A., Werner, M., Minster, B., Prié, F., Jossoud, O., Petit, L., Landais, A., 2023. From atmospheric water isotopes measurement to firn core interpretation in Adélie Land : a case study for isotope-enabled atmospheric models in Antarctica. The Cryosphere 17, 5241–5254. https://doi.org/10.5194/tc-17-5241-2023
Maclennan, M.L., Lenaerts, J.T.M., Shields, C., Wille, J.D., 2022. Contribution of Atmospheric Rivers to Antarctic Precipitation. Geophysical Research Letters 49, e2022GL100585. https://doi.org/10.1029/2022GL100585
Maclennan, M.L., Lenaerts, J.T.M., Shields, C.A., Hoffman, A.O., Wever, N., Thompson-Munson, M., Winters, A.C., Pettit, E.C., Scambos, T.A., Wille, J.D., 2023. Climatology and surface impacts of atmospheric rivers on West Antarctica. The Cryosphere 17, 865–881. https://doi.org/10.5194/tc-17-865-2023
Maclennan, M.L., Winters, A.C., Shields, C.A. et al. Rising atmospheric moisture escalates the future impact of atmospheric rivers in the Antarctic climate system. Commun Earth Environ 6, 369 (2025). https://doi-org.insu.bib.cnrs.fr/10.1038/s43247-025-02333-x
Mattingly, K.S., Turton, J.V., Wille, J.D., Noël, B., Fettweis, X., Rennermalm, Å.K., Mote, T.L., 2023. Increasing extreme melt in northeast Greenland linked to foehn winds and atmospheric rivers. Nat Commun 14, 1743. https://doi.org/10.1038/s41467-023-37434-8
Pohl, B., Favier, V., Wille, J., Udy, D.G., Vance, T.R., Pergaud, J., Dutrievoz, N., Blanchet, J., Kittel, C., Amory, C., Krinner, G., Codron, F., 2021a. Relationship Between Weather Regimes and Atmospheric Rivers in East Antarctica. Journal of Geophysical Research : Atmospheres 126, e2021JD035294. https://doi.org/10.1029/2021JD035294
Pohl, B., Prince, H.D., Wille, J., Kingston, D.G., Cullen, N.J., Fauchereau, N., 2023. Atmospheric Rivers and Weather Types in Aotearoa New Zealand : A Two-Way Story. Journal of Geophysical Research : Atmospheres 128, e2022JD037209. https://doi.org/10.1029/2022JD037209
Rush, W.D., Lora, J.M., Skinner, C.B., Menemenlis, S.A., Shields, C.A., Ullrich, P., O'Brien, T.A., Brands, S., Guan, B., Mattingly, K.S., McClenny, E., Nardi, K., Nellikkattil, A., Ramos, A.M., Reid, K.J., Shearer, E., Tomé, R., Wille, J.D., Leung, L.R., Ralph, F.M., Rutz, J.J., Wehner, M., Zhang, Z., Lu, M., Quagraine, K.T., 2025. Atmospheric River Detection Under Changing Seasonality and Mean-State Climate : ARTMIP Tier 2 Paleoclimate Experiments. Journal of Geophysical Research : Atmospheres 130, e2024JD042222. https://doi.org/10.1029/2024JD042222
Shields, C.A., Wille, J.D., Marquardt Collow, A.B., Maclennan, M., Gorodetskaya, I.V., 2022. Evaluating Uncertainty and Modes of Variability for Antarctic Atmospheric Rivers. Geophysical Research Letters 49, e2022GL099577. https://doi.org/10.1029/2022GL099577
Simon, S., Turner, J., Thamban, M., Wille, J.D., Deb, P., 2024. Spatiotemporal Variability of Extreme Precipitation Events and Associated Atmospheric Processes Over Dronning Maud Land, East Antarctica. Journal of Geophysical Research : Atmospheres 129, e2023JD038993. https://doi.org/10.1029/2023JD038993
Stefanini, C., Macelloni, G., Leduc-Leballeur, M., Favier, V., Pohl, B., Picard, G., 2024. Extreme events of snow grain size increase in East Antarctica and their relationship with meteorological conditions. The Cryosphere 18, 593–608. https://doi.org/10.5194/tc-18-593-2024
Tcheng, T., Fourré, E., Leroy-Dos-Santos, C., Parrenin, F., Le Meur, E., Prié, F., Jossoud, O., Jacob, R., Minster, B., Magand, O., Agosta, C., Dutrievoz, N., Favier, V., Baubant, L., Lassalle-Bernard, C., Casado, M., Werner, M., Cauquoin, A., Arnaud, L., Jourdain, B., Picard, G., Bouchet, M., Landais, A., 2026. Multiproxy analyses of multiple firn cores from coastal Adélie Land covering the last 40 years. The Cryosphere, 20, 1599–1618, https://doi.org/10.5194/tc-20-1599-2026
Turner, J., Lu, H., King, J.C., Carpentier, S., Lazzara, M., Phillips, T., Wille, J., 2022. An Extreme High Temperature Event in Coastal East Antarctica Associated With an Atmospheric River and Record Summer Downslope Winds. Geophysical Research Letters 49, e2021GL097108. https://doi.org/10.1029/2021GL097108
Vance, T.R., Abram, N.J., Criscitiello, A.S., Crockart, C.K., DeCampo, A., Favier, V., Gkinis, V., Harlan, M., Jackson, S.L., Kjær, H.A., Long, C.A., Nation, M.K., Plummer, C.T., Segato, D., Spolaor, A., Vallelonga, P.T., 2024. An annually resolved chronology for the Mount Brown South ice cores, East Antarctica. Climate of the Past 20, 969–990. https://doi.org/10.5194/cp-20-969-2024
Verfaillie, D., Pelletier, C., Goosse, H., Jourdain, N.C., Bull, C.Y.S., Dalaiden, Q., Favier, V., Fichefet, T., Wille, J.D., 2022a. The circum-Antarctic ice-shelves respond to a more positive Southern Annular Mode with regionally varied melting. Commun Earth Environ 3, 1–12. https://doi.org/10.1038/s43247-022-00458-x
Wille, J.D., Alexander, S.P., Amory, C., Baiman, R., Barthélemy, L., Bergstrom, D.M., Berne, A., Binder, H., Blanchet, J., Bozkurt, D., Bracegirdle, T.J., Casado, M., Choi, T., Clem, K.R., Codron, F., Datta, R., Di Battista, S., Favier, V., Francis, D., Fraser, A.D., Fourré, E., Garreaud, R.D., Genthon, C., Gorodetskaya, I.V., González-Herrero, S., Heinrich, V.J., Hubert, G., Joos, H., Kim, S.-J., King, J.C., Kittel, C., Landais, A., Lazzara, M., Leonard, G.H., Lieser, J.L., Maclennan, M., Mikolajczyk, D., Neff, P., Ollivier, I., Picard, G., Pohl, B., Ralph, F.M., Rowe, P., Schlosser, E., Shields, C.A., Smith, I.J., Sprenger, M., Trusel, L., Udy, D., Vance, T., Vignon, É., Walker, C., Wever, N., Zou, X., 2024b. The Extraordinary March 2022 East Antarctica ”Heat” Wave. Part I : Observations and Meteorological Drivers. Journal of Climate 37, 757–778. https://doi.org/10.1175/JCLI-D-23-0175.1
Wille, J.D., Alexander, S.P., Amory, C., Baiman, R., Barthélemy, L., Bergstrom, D.M., Berne, A., Binder, H., Blanchet, J., Bozkurt, D., Bracegirdle, T.J., Casado, M., Choi, T., Clem, K.R., Codron, F., Datta, R., Battista, S.D., Favier, V., Francis, D., Fraser, A.D., Fourré, E., Garreaud, R.D., Genthon, C., Gorodetskaya, I.V., González-Herrero, S., Heinrich, V.J., Hubert, G., Joos, H., Kim, S.-J., King, J.C., Kittel, C., Landais, A., Lazzara, M., Leonard, G.H., Lieser, J.L., Maclennan, M., Mikolajczyk, D., Neff, P., Ollivier, I., Picard, G., Pohl, B., Ralph, F.M., Rowe, P., Schlosser, E., Shields, C.A., Smith, I.J., Sprenger, M., Trusel, L., Udy, D., Vance, T., Vignon, É., Walker, C., Wever, N., Zou, X., 2024a. The Extraordinary March 2022 East Antarctica ”Heat” Wave. Part II : Impacts on the Antarctic Ice Sheet. Journal of Climate 37, 779–799. https://doi.org/10.1175/JCLI-D-23-0176.1
Wille, J.D., Favier, V., Gorodetskaya, I.V., Agosta, C., Baiman, R., Barrett, J.E., Barthelemy, L., Boza, B., Bozkurt, D., Casado, M., Chyhareva, A., Clem, K.R., Codron, F., Datta, R.T., Durán-Alarcón, C., Francis, D., Hoffman, A.O., Kolbe, M., Krakovska, S., Linscott, G., Maclennan, M.L., Mattingly, K.S., Mu, Y., Pohl, B., Santos, C.L.-D., Shields, C.A., Toker, E., Winters, A.C., Yin, Z., Zou, X., Zhang, C., Zhang, Z., 2025. Atmospheric rivers in Antarctica. Nat Rev Earth Environ 6, 178–192. https://doi.org/10.1038/s43017-024-00638-7
Wille, J.D., Favier, V., Gorodetskaya, I.V., Agosta, C., Kittel, C., Beeman, J.C., Jourdain, N.C., Lenaerts, J.T.M., Codron, F., 2021b. Antarctic Atmospheric River Climatology and Precipitation Impacts. Journal of Geophysical Research : Atmospheres 126, e2020JD033788. https://doi.org/10.1029/2020JD033788
Wille, J.D., Favier, V., Jourdain, N.C., Kittel, C., Turton, J.V., Agosta, C., Gorodetskaya, I.V., Picard, G., Codron, F., Santos, C.L.-D., Amory, C., Fettweis, X., Blanchet, J., Jomelli, V., Berchet, A., 2022a. Intense atmospheric rivers can weaken ice shelf stability at the Antarctic Peninsula. Commun Earth Environ 3, 1–14. https://doi.org/10.1038/s43247-022-00422-9
Wille, J.D., Pohl, B., Favier, V., Winters, A.C., Baiman, R., Cavallo, S.M., Leroy-dos Santos, C., Clem, K., Udy, D.G., Vance, T.R., Gorodetskaya, I., Codron, F., Berchet, A., 2024c. Examining Atmospheric River Life Cycles in East Antarctica. Journal of Geophysical Research : Atmospheres 129, e2023JD039970. https://doi.org/10.1029/2023JD039970
Zou, X., Rowe, P.M., Gorodetskaya, I., Bromwich, D.H., Lazzara, M.A., Cordero, R.R., Zhang, Z., Kawzenuk, B., Cordeira, J.M., Wille, J.D., Ralph, F.M., Bai, L.-S., 2023. Strong Warming Over the Antarctic Peninsula During Combined Atmospheric River and Foehn Events : Contribution of Shortwave Radiation and Turbulence. Journal of Geophysical Research : Atmospheres 128, e2022JD038138. https://doi.org/10.1029/2022JD038138

Other accepted publication :

Bozkurt, D., Opazo, C., Marín, J.C., Clem, K.R., Pohl, B., Buffet, V., Favier, V., Carrasco-Escaff, T., Barrett, B.S., 2026. A Multi-Method Antarctic Atmospheric Blocking Dataset (1979–2024). Earth Syst. Sci. Data Discuss. 1–33. https://doi.org/10.5194/essd-2026-55

Available data

Vincent Favier — 2026-07-14T23:39:31Z

The catalogs of AR occurrences at each station in Antarctica are freely available. Please contact Jonathan Wille (jonathan.wille univ-grenoble-alpes.fr) or Vincent Favier (vincent.favier univ-grenoble-alpes.fr) to obtain the catalog corresponding to your study area.

ARDT's are freely available here :
Wille's ARDT (vIVT/IWV scripts from Wille et al. (2019)) : https://zenodo.org/records/14646124

New DARK AR Detection algorithm from Buffet et al. (2026) : https://zenodo.org/records/17100520

polar aerosol atmospheric river (p-AAR) detection alogrithm (processing and detection codes) from Lzpere et al. (2024), along with catalogs based on MERRA-2 vertically integrated fluxes at 1° × 1° spatial resolution and covering the period 1980–2022, are available at : https://doi-org.insu.bib.cnrs.fr/10.5281/zenodo.8082768

time-series of water isotopes and aerosol contents in the vapor at Dumont d‘Urville, Dome C and Davis stations : datasets :

https://doi.org/10.5281/ zenodo.7708489
https://doi.org/10.1594/ PANGAEA.974597

ARCA Publications

Vincent Favier — 2026-07-14T23:18:51Z

Baiman, R., Winters, A.C., Pohl, B., Favier, V., Wille, J.D., Clem, K.R., 2024. Synoptic and planetary-scale dynamics modulate antarctic atmospheric river precipitation intensity. Communications Earth & Environment 5, 127. https://doi.org/10.1038/s43247-024-01307-9
Barthélemy, L., Codron, F., Wille, J., Favier, V., Clem, K.R., 2026. Future Atmospheric Rivers in Antarctica : Characteristics and Impacts With the IPSL Model. Journal of Geophysical Research : Atmospheres 131, e2025JD043398. https://doi.org/10.1029/2025JD043398
Bromwich, D. H., and Coauthors, 2024 : Winter Targeted Observing Periods during the Year of Polar Prediction in the Southern Hemisphere (YOPP-SH). Bull. Amer. Meteor. Soc., 105, E1662–E1684, https://doi.org/10.1175/BAMS-D-22-0249.1.
Bozkurt, D., Opazo, C., Marín, J.C., Clem, K.R., Pohl, B., Buffet, V., Favier, V., Carrasco-Escaff, T., Barrett, B.S., 2026. A Multi-Method Antarctic Atmospheric Blocking Dataset (1979–2024). Earth Syst. Sci. Data Discuss. 1–33. https://doi.org/10.5194/essd-2026-55
Buffet, V., Favier, V., Pohl, B., Wille, J.D., 2026. Curved atmospheric rivers and their moisture remnants : a new detection tool for Antarctica. EGUsphere 2026, 1–32. https://doi.org/10.5194/egusphere-2025-6365
Buffet, V., Pohl, B., Prince, H.D., Favier, V., Clem, K., Saucède, T., Jomelli, V., 2025. Atmospheric Rivers at the Kerguelen Islands : A Story through Weather Types. J. Appl. Meteorol. Climatol. 64, 299–315. https://doi.org/10.1175/JAMC-D-24-0018.1
Clem, K.R., Raphael, M.N., Adusumilli, S., Baiman, R., Banwell, A.F., Barreira, S., Beadling, R.L., Colwell, S., Coy, L., Datta, R.T., Laat, J.D., Dunmire, D., Fogt, R.L., Freeman, N.M., Fricker, H.A., Gardner, A.S., Johnson, B., Keller, L.M., Kramarova, N.A., Lazzara, M.A., Lieser, J.L., MacFerrin, M., MacGilchrist, G.A., MacLennan, M.L., Massom, R.A., Mazloff, M.R., Mote, T.L., Nash, E.R., Newman, P.A., Norton, T., Petropavlovskikh, I., Pitts, M., Reid, P., Santee, M.L., Scambos, T.A., Shi, J.-R., Stammerjohn, S., Strahan, S.E., Thompson, A.F., Wille, J.D., Wilson, E., 2022. Antarctica and the Southern Ocean. Bulletin of the American Meteorological Society 103, S307–S340. https://doi.org/10.1175/BAMS-D-22-0078.1
Collow, A.B.M., Shields, C.A., Guan, B., Kim, S., Lora, J.M., McClenny, E.E., Nardi, K., Payne, A., Reid, K., Shearer, E.J., Tomé, R., Wille, J.D., Ramos, A.M., Gorodetskaya, I.V., Leung, L.R., O'Brien, T.A., Ralph, F.M., Rutz, J., Ullrich, P.A., Wehner, M., 2022b. An Overview of ARTMIP's Tier 2 Reanalysis Intercomparison : Uncertainty in the Detection of Atmospheric Rivers and Their Associated Precipitation. Journal of Geophysical Research : Atmospheres 127, e2021JD036155. https://doi.org/10.1029/2021JD036155
Crockart, C.K., Vance, T.R., Fraser, A.D., Abram, N.J., Criscitiello, A.S., Curran, M.A.J., Favier, V., Gallant, A.J.E., Kittel, C., Kjær, H.A., Klekociuk, A.R., Jong, L.M., Moy, A.D., Plummer, C.T., Vallelonga, P.T., Wille, J., Zhang, L., 2021. El Niño–Southern Oscillation signal in a new East Antarctic ice core, Mount Brown South. Climate of the Past 17, 1795–1818. https://doi.org/10.5194/cp-17-1795-2021
Donat-Magnin, M., Jourdain, N., Gallée, H., Amory, C., Kittel, C., Fettweis, X., Wille, J., Favier, V., Drira, A., Agosta, C., 2020. Interannual variability of summer surface mass balance and surface melting in the Amundsen sector, West Antarctica. The Cryosphere 14, 229–249. https://doi.org/10.5194/tc-14-229-2020
Dutrievoz, N., Agosta, C., Risi, C., Vignon, É., Nguyen, S., Landais, A., Fourré, E., Leroy-Dos Santos, C., Casado, M ., Masson-Delmotte, V., Jouzel, J., Duos, T., Ollivier, I., Stenni, B., Dreossi, G., Masiol, M., Minster, B. Prié, F. 2025. Antarctic water stable isotopes in the global atmospheric model LMDZ6 : From climatology to boundary layer processes. Journal of Geophysical Research : Atmospheres, 130, e2024JD042073. https://doi.org/10.1029/2024JD04207
Dutrievoz, N., Agosta, C., Davrinche, C., Landais, A., Nguyen, S., Vignon, É., Ollivier, I., Leroy-Dos Santos, C., Fourré, E., Casado, M., Wille, J., Favier, V., Minster, B., Prié, F., 2026. Water vapour isotope anomalies during an atmospheric river event at Dome C, East Antarctica. The Cryosphere 20, 1025–1046.
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Mattingly, K.S., Turton, J.V., Wille, J.D., Noël, B., Fettweis, X., Rennermalm, Å.K., Mote, T.L., 2023. Increasing extreme melt in northeast Greenland linked to foehn winds and atmospheric rivers. Nat Commun 14, 1743. https://doi.org/10.1038/s41467-023-37434-8
Pohl, B., Favier, V., Wille, J., Udy, D.G., Vance, T.R., Pergaud, J., Dutrievoz, N., Blanchet, J., Kittel, C., Amory, C., Krinner, G., Codron, F., 2021a. Relationship Between Weather Regimes and Atmospheric Rivers in East Antarctica. Journal of Geophysical Research : Atmospheres 126, e2021JD035294. https://doi.org/10.1029/2021JD035294
Pohl, B., Prince, H.D., Wille, J., Kingston, D.G., Cullen, N.J., Fauchereau, N., 2023. Atmospheric Rivers and Weather Types in Aotearoa New Zealand : A Two-Way Story. Journal of Geophysical Research : Atmospheres 128, e2022JD037209. https://doi.org/10.1029/2022JD037209
Rush, W.D., Lora, J.M., Skinner, C.B., Menemenlis, S.A., Shields, C.A., Ullrich, P., O'Brien, T.A., Brands, S., Guan, B., Mattingly, K.S., McClenny, E., Nardi, K., Nellikkattil, A., Ramos, A.M., Reid, K.J., Shearer, E., Tomé, R., Wille, J.D., Leung, L.R., Ralph, F.M., Rutz, J.J., Wehner, M., Zhang, Z., Lu, M., Quagraine, K.T., 2025. Atmospheric River Detection Under Changing Seasonality and Mean-State Climate : ARTMIP Tier 2 Paleoclimate Experiments. Journal of Geophysical Research : Atmospheres 130, e2024JD042222. https://doi.org/10.1029/2024JD042222
Shields, C.A., Wille, J.D., Marquardt Collow, A.B., Maclennan, M., Gorodetskaya, I.V., 2022. Evaluating Uncertainty and Modes of Variability for Antarctic Atmospheric Rivers. Geophysical Research Letters 49, e2022GL099577. https://doi.org/10.1029/2022GL099577
Simon, S., Turner, J., Thamban, M., Wille, J.D., Deb, P., 2024. Spatiotemporal Variability of Extreme Precipitation Events and Associated Atmospheric Processes Over Dronning Maud Land, East Antarctica. Journal of Geophysical Research : Atmospheres 129, e2023JD038993. https://doi.org/10.1029/2023JD038993
Stefanini, C., Macelloni, G., Leduc-Leballeur, M., Favier, V., Pohl, B., Picard, G., 2024. Extreme events of snow grain size increase in East Antarctica and their relationship with meteorological conditions. The Cryosphere 18, 593–608. https://doi.org/10.5194/tc-18-593-2024
Tcheng, T., Fourré, E., Leroy-Dos-Santos, C., Parrenin, F., Le Meur, E., Prié, F., Jossoud, O., Jacob, R., Minster, B., Magand, O., Agosta, C., Dutrievoz, N., Favier, V., Baubant, L., Lassalle-Bernard, C., Casado, M., Werner, M., Cauquoin, A., Arnaud, L., Jourdain, B., Picard, G., Bouchet, M., Landais, A., 2026. Multiproxy analyses of multiple firn cores from coastal Adélie Land covering the last 40 years. The Cryosphere, 20, 1599–1618, https://doi.org/10.5194/tc-20-1599-2026
Turner, J., Lu, H., King, J.C., Carpentier, S., Lazzara, M., Phillips, T., Wille, J., 2022. An Extreme High Temperature Event in Coastal East Antarctica Associated With an Atmospheric River and Record Summer Downslope Winds. Geophysical Research Letters 49, e2021GL097108. https://doi.org/10.1029/2021GL097108
Vance, T.R., Abram, N.J., Criscitiello, A.S., Crockart, C.K., DeCampo, A., Favier, V., Gkinis, V., Harlan, M., Jackson, S.L., Kjær, H.A., Long, C.A., Nation, M.K., Plummer, C.T., Segato, D., Spolaor, A., Vallelonga, P.T., 2024. An annually resolved chronology for the Mount Brown South ice cores, East Antarctica. Climate of the Past 20, 969–990. https://doi.org/10.5194/cp-20-969-2024
Verfaillie, D., Pelletier, C., Goosse, H., Jourdain, N.C., Bull, C.Y.S., Dalaiden, Q., Favier, V., Fichefet, T., Wille, J.D., 2022a. The circum-Antarctic ice-shelves respond to a more positive Southern Annular Mode with regionally varied melting. Commun Earth Environ 3, 1–12. https://doi.org/10.1038/s43247-022-00458-x
Wille, J.D., Alexander, S.P., Amory, C., Baiman, R., Barthélemy, L., Bergstrom, D.M., Berne, A., Binder, H., Blanchet, J., Bozkurt, D., Bracegirdle, T.J., Casado, M., Choi, T., Clem, K.R., Codron, F., Datta, R., Di Battista, S., Favier, V., Francis, D., Fraser, A.D., Fourré, E., Garreaud, R.D., Genthon, C., Gorodetskaya, I.V., González-Herrero, S., Heinrich, V.J., Hubert, G., Joos, H., Kim, S.-J., King, J.C., Kittel, C., Landais, A., Lazzara, M., Leonard, G.H., Lieser, J.L., Maclennan, M., Mikolajczyk, D., Neff, P., Ollivier, I., Picard, G., Pohl, B., Ralph, F.M., Rowe, P., Schlosser, E., Shields, C.A., Smith, I.J., Sprenger, M., Trusel, L., Udy, D., Vance, T., Vignon, É., Walker, C., Wever, N., Zou, X., 2024b. The Extraordinary March 2022 East Antarctica ”Heat” Wave. Part I : Observations and Meteorological Drivers. Journal of Climate 37, 757–778. https://doi.org/10.1175/JCLI-D-23-0175.1
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Other accepted publication :

Rivers in the sky

Vincent Favier — 2022-08-19T22:03:32Z

Atmospheric rivers are described in the American Meteorological Society's Glossary of Meteorology as filamentary atmospheric flows carrying intense amounts of water vapor, usually associated with a low-level jet ahead of the cold front of an extratropical low. These flows are also associated with the ascent of large masses of warm, moist air from the lower layers of the warm sector of the low, rising rapidly to the upper troposphere as they move poleward. These events are infrequent and occur between two and ten times per year in a given region of Antarctica.

Yet, atmospheric rivers account for :

about 90% of the meridional transport of water vapor, even though they cover only about 10% of the surface ; four or five atmospheric rivers in each hemisphere may thus be sufficient to transport the majority of the meridional fluxes over the globe
70% of the most intense precipitation events - in this case, precipitation above the 99th percentile - occur during atmospheric rivers. The associated precipitation totals represent up to 20% of annual precipitation in the regions concerned, particularly in East Antarctica
the majority of summer melt events over West Antarctica and the Ross Ice Shelf, including the most intense events.
Atmospheric rivers were the cause of the vast majority of temperature and precipitation extremes over the Antarctic Peninsula, including the absolute temperature record for the entire Antarctic continent (18.3°C), set at the Esperanza station on February 6, 2020
The most intense atmospheric rivers cause a series of impacts such as temperature extremes, surface melt and runoff, sea ice disintegration and intense wave generation ; all of these processes are known to destabilize ice shelves.

Atmospheric rivers thus play both positive and negative roles on the continental surface mass balance. Today, the positive effects (increased precipitation) outweigh the negative ones (melting and surface runoff), but we do not know how these respective impacts will change by the end of the 21st century. To answer this question, it is essential to understand the physical processes that drive atmospheric rivers. It is also necessary to verify that climate models are able to reproduce them correctly for the current climate, before analyzing their evolution by the end of the century. This is one of the main objectives of the ARCA project

polar-ARs : Antarctic Atmospheric River Workshop

Vincent Favier — 2022-08-19T14:45:43Z

The first workshop on the study of atmospheric rivers in Antarctica was held on June 27 and 18, 2022 at the Institute of Environmental Geosciences (IGE) on the campus of the University of Grenoble Alpes https://polar-ars.sciencesconf.org/

The objective of this workshop was to review the current state of knowledge about atmospheric rivers in Antarctica, to promote discussion and to explore future collaborations. Researchers of different nationalities (France, Belgium, Switzerland, USA, Portugal, Chile, New Zealand, Australia) participated in this workshop.

Due to the interest shown by all at this event, a second workshop is planned for 2023. The University of Boulder-Colorado could be the venue for this meeting. See you next year ?

Des rivières dans le ciel ?

Webmaster — 2022-08-18T22:09:21Z

Les rivières atmosphériques sont des flux atmosphériques de forme filamentaire, transportant d'intenses quantités de vapeur d'eau, généralement associés à un jet de basse altitude à l'avant du front froid d'une dépression extratropicale, associés à l'ascendance d'importantes masses d'air chaud et humide jusqu'à la troposphère supérieure lors de leur déplacement vers le pôle.

Voir en ligne : https://arca.osug.fr/Des-rivieres-d...

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Webmaster — 2022-07-01T01:22:52Z

https://arca.osug.fr/Record-de-chaleur

Des rivières dans le ciel ?

Vincent Favier — 2022-07-01T00:37:54Z

Les rivières atmosphériques sont décrites dans le glossaire de météorologie de l'American Meteorological Society, comme des flux atmosphériques de forme filamentaire, transportant d'intenses quantités de vapeur d'eau, généralement associés à un jet de basse altitude à l'avant du front froid d'une dépression extratropicale. Ces flux sont aussi associés à l'ascendance d'importantes masses d'air chaud et humide issues des basses couches du secteur chaud de la dépression et s'élevant rapidement jusqu'à la troposphère supérieure lors de leur déplacement vers le pôle. Ces événements sont peu fréquents et se produisent entre deux et dix fois par an dans une région donnée de l'Antarctique.

Pourtant les rivières atlosphériques représentent :

elles représentent environ 90 % du transport méridien de vapeur d'eau, alors qu'elles ne couvrent que 10 % environ de la surface ; quatre ou cinq rivières atmosphériques dans chaque hémisphère peuvent ainsi suffire pour transporter la majorité des flux méridiens sur le globe
70 % des événements précipitants les plus intenses – dans le cas présent, les précipitations dépassant le 99e centile – ont lieu pendant des rivières atmosphériques. Les cumuls de précipitations associés représentent jusqu'à 20 % des précipitations annuelles dans les régions concernées, notamment en Antarctique de l'Est
la majorité des événements de fonte estivale sur l'Antarctique de l'Ouest et la plateforme glaciaire de Ross, dont les événements les plus intenses
la cause de la grande majorité des extrêmes de température et de précipitations sur la péninsule Antarctique, dont le record absolu de température pour l'ensemble du continent Antarctique (18,3°C), établi à la station d'Esperanza le 6 février 2020.
les rivières atmosphériques les plus intenses provoquent une série d'impacts (résumés dans la figure 1) tels que les extrêmes de température, de fonte et de ruissellement de surface, la désintégration de la glace de mer et génération de houle intense ; tous ces processus étant connus pour déstabiliser les plateformes de glace.

Les rivières atmosphériques jouent donc un rôle positif et négatif sur le bilan de masse de surface du continent. Aujourd'hui, les effets positifs (augmentation des précipitations) l'emportent sur les négatifs (fonte et ruissellement de surface), mais nous ne savons pas comment évolueront ces impacts respectifs à la fin du XXIe siècle. Pour répondre à cette question, il est indispensable de comprendre les processus physiques à l'origine des rivières atmosphériques. Il faut aussi vérifier que les modèles de climat sont capables de les reproduire correctement pour le climat actuel, avant d'analyser leurs évolutions d'ici à la fin du siècle. C'est l'un des principaux objectifs du projet ARCA

ARCA en quelques mots

Vincent Favier — 2022-07-01T00:18:37Z

Le projet ARCA étudiera les processus physiques responsables des rivières atmosphériques et leurs impacts en utilisant à la fois des simulations de modèles et des données de terrain. Nous allons :
1. Définir la climatologie actuelle et future des rivières atmosphériques en utilisant des analyses statistiques et des algorithmes de détection des rivières atmosphériques,
2. Identifier la relation entre les rivières atmosphériques et 1) la variabilité climatique interne (liée à ENSO, SAM, et autres indices...), et 2) la variabilité forcée (due aux forçages anthropogéniques).
3. Définir les impacts locaux des rivières atmosphériques en utilisant le modèle circulation régionale MAR-iso orienté pour l'étude des pôles. Nous ferons la distinction entre :
=> les impacts physiques (sur l'accumulation de neige, la fonte et le bilan de masse en surface).
=> les impacts sur la composition isotopique et chimique des masses d'air, avec un intérêt particulier pour les reconstructions climatiques basées sur les carottes de glace. Ici, le défi sera de retrouver l'origine de la vapeur d'eau à l'aide de modèles et d'observations.
A cette fin, nous proposons 5 Work Packages (WP) comme suit :

WP1 : Analyse des rivières atmosphériques dans les ensembles de modèles climatiques à moyenne et haute résolution (PI : Krinner/Codron)

WP2 : Acquisition de données instrumentales pour retrouver la signature rivières atmosphériques dans l'humidité de l'air (PI : Fourré/Favier)

WP3 : Signature rivières atmosphériques du modèle dans le contenu isotopique et aérosol de l'humidité de l'air (PI : Gallée/Agosta)

WP4 : Détermination du biais induit par les rivières atmosphériques dans les carottes de neige et de glace (PI : Favier/Gallée)