Investigations on two sediment cores from the Arctic Ocean@en

During the \"RV Polarstem\"-Expedition ARK VIII/2 sediment samples were obtained at the continental slope of NW-Spitsbergen. Detailed sedimentological and geochemical analysis were carried out at two undisturbed box cores (PS2122-1GKG, PS2123-2GKG) as well as two gravity cores (PS2122-1SL, PS2123-2SL). The following parameters were deterrnined: Organic carbon, nitrogen and carbonate contents, hydrogen index, stable isotopes, ice rafted debris, grain-size distribution and biogenic opal. The main objective of this study was the reconstruction of paleoenvironmental changes off the northwest coast of Spitsbergen during the last glacial/interglacial-cycle, i.e., during the last about 128.000 years. […]在‘极地号（RV Polarstem）’ARK VIII/2科考航次期间，科研人员于斯匹次卑尔根岛西北侧大陆坡采集了沉积物样品。研究团队对2根无扰动箱式岩心（PS2122-1GKG、PS2123-2GKG）以及2根重力岩心（PS2122-1SL、PS2123-2SL）开展了详尽的沉积学与地球化学分析，测定了以下参数：有机碳、氮及碳酸盐含量、氢指数、稳定同位素、冰筏碎屑、粒度分布与生物成因二氧化硅。本研究的核心目标是重建斯匹次卑尔根岛西北近岸海域末次冰期-间冰期旋回（即过去约12.8万年）以来的古环境演变历程。[…]