Sediment composition and stable isotopic ratio of Neogloboquadrina pachyderma...

Digitized records of optical desnity in many North Atlantic cores exihibt rapid changes from lighter to darker extrems, typically within less than 200 years, at the 5d/5e, 5b/5c...

北大西洋多根深海沉积岩芯的光密度（optical density）数字化记录显示，在5d/5e、5b/5c等地层单元中，通常会在不足200年的时间尺度内出现从浅色端到深色端的快速变化。