(Supplement Fig. 2-4) Proxy data from IODP Site 306-U1314

Subsurface water column dynamics in the subpo-lar North Atlantic were reconstructed in order to improve theunderstanding of the cause of abrupt ice-rafted detritus (IRD)events...为深化对突发性冰筏碎屑（ice-rafted detritus, IRD）事件成因的认知，本研究重建了副极地北大西洋海域次表层水柱动力学过程。