Magnetic susceptibility record from the Faroe-Shetland Channel (40-32 ka b2k)@en

Here we present a low field magnetic susceptibility record from marine sediment core MD99-2284, for the age model of Core MD99-2304 (https://doi.pangaea.de/10.1594/PANGAEA.971113). Core MD99-2284 was retrieved from the Faroe-Shetland Channel (62°22'28.80N, 0°58'48.60W) with piston corer at 1500m water depth during cruise Marion Dufresne IMAGES 5 1999 leg MD114. This dataset covers an interval between 40 and 32 ka b2k during MIS 3. The age model of MD99-2284 was constrained by tunning the anhysteretic remanent magnetization to the NGRIP δ18O and then by targeted high-resolution identification of cryptotephra (Dokken et al. (2013,doi:10.1002/palo.20042); Sadatzki et al. (2019,doi:10.1126/sciadv.aau6174 ); Berben et al. (2020, doi:10.1016/j.quascirev.2020.106277)). […]

本研究提供了取自海洋沉积物岩芯MD99-2284的低场磁化率记录，用于构建岩芯MD99-2304的年代模型（https://doi.pangaea.de/10.1594/PANGAEA.971113）。岩芯MD99-2284是1999年执行Marion Dufresne号IMAGES 5航次MD114航段期间，利用活塞取芯器在1500米水深的法罗-设得兰海峡（62°22'28.80N，0°58'48.60W）获取的。本数据集覆盖深海氧同位素3期（MIS 3）内40至32 ka b2k的时段。岩芯MD99-2284的年代模型通过将非滞剩磁（anhysteretic remanent magnetization）调谐至北大西洋格陵兰冰芯项目（North Greenland Ice Core Project，NGRIP）的δ¹⁸O记录，并结合针对性高分辨率隐火山灰层识别进行约束（Dokken等，2013，doi:10.1002/palo.20042；Sadatzki等，2019，doi:10.1126/sciadv.aau6174；Berben等，2020，doi:10.1016/j.quascirev.2020.106277）。[…]