Nature Communications81Kr dating of 1 kg Antarctic iceF. RitterbuschJ. S. WangX. FengS. ShackletonM. BenderE. BrookJ. HigginsZ.-H. JiaW. JiangZ.-T. LuJ. P. SeveringhausL. T. SunG.-M. YangL. Zhao2025-05-12Full textDOI https://doi.org/10.1038/s41467-025-59264-6