Antarctic Vortex Dehydration in 2023 as a Substantial Removal Pathway for Hunga Tonga‐Hunga Ha'apai Water Vapor

• Published in: Geophysical Research Letters
• Main Authors: Xin Zhou, Sandip S. Dhomse, Wuhu Feng, Graham Mann, Saffron Heddell, Hugh Pumphrey, Brian J. Kerridge, Barry Latter, Richard Siddans, Lucy Ventress, Richard Querel, Penny Smale, Elizabeth Asher, Emrys G. Hall, Slimane Bekki, Martyn P. Chipperfield
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2024
• Subjects: Hunga Tonga‐Hunga Ha'apai eruption; Antarctic dehydration; ozone depletion; stratospheric transport; chemistry transport model; Geophysics. Cosmic physics; QC801-809; Antarctic; Tonga; Midwinter; Antarc*
• Online Access: https://doi.org/10.1029/2023GL107630; https://doaj.org/article/b90fc2dac0624c0eac2deae042809b07

Abstract The January 2022 eruption of Hunga Tonga‐Hunga Ha'apai (HTHH) injected a huge amount (∼150 Tg) of water vapor (H2O) into the stratosphere, along with small amount of SO2. An off‐line 3‐D chemical transport model (CTM) successfully reproduces the spread of the injected H2O through Octob...