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- W4322005076 abstract "Between March 15-19th 2022, East Antarctica experienced an unprecedented heatwave with widespread 30-45° C temperature anomalies across the ice sheet. This record-shattering event saw numerous monthly temperature records being broken including a new all-time temperature record of -9.4 °C on March 18th at Concordia station despite March typically being a transition month to the Antarctic coreless winter. The driver for these temperature extremes was an unprecedently intense atmospheric river (AR) advecting heat and moisture deep into the Antarctic interior. The scope of the temperature records spurred a large, diverse collaborative effort to study the heatwave’s meteorological drivers, impacts, and historical climate context using an array of observations, models, and analysis techniques.  From these efforts, we present the followingTemperature observations and records Meteorological drivers including tropically forced Rossby wave activity along with AR and warm conveyor belt dynamics Radiative forcing impacts on surface temperatures and inversions Surface mass balance impacts Discussion of the AR impacts on isotope and cosmic ray measurements from Concordia station AR influence on the Conger Ice Shelf disintegration Event return time analysis Implications on past climate reconstructions Future event likelihood from IPSL-CM6 simulations" @default.
- W4322005076 created "2023-02-26" @default.
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- W4322005076 date "2023-05-15" @default.
- W4322005076 modified "2023-10-01" @default.
- W4322005076 title "The extraordinary March 2022 East Antarctica heatwave" @default.
- W4322005076 doi "https://doi.org/10.5194/egusphere-egu23-8107" @default.
- W4322005076 hasPublicationYear "2023" @default.
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