Documentation of sediment core PS140_3-4

During expedition PS140, two main sediment coring devices were applied during cruise PS140. The first was a gravity corer (GC), which consists of a 2.3 t weight and an up to 25...在PS140科考航次期间，共部署两款主用沉积物取芯设备。第一款为重力取芯器（gravity corer，GC），其由2.3吨的配重块以及最长可达25……的结构组成。