Stable oxygen and carbon isotope data from sediment core KC-13, Central Aegean, Greece

The dataset derives from marine sediment core KC-13, recovered from the central Aegean Sea, Greece (38°14.6012′ N, 25°06.2470′ E; 652 m water depth), during the OTE-2019 expedition (HCMR, R/V Aegaeo). It comprises stable oxygen and carbon isotope data. Each sample consisted of 10–15 individual specimens of the planktonic foraminifer Globigerina bulloides (88 samples), hand-picked from the > 250 μm sediment fraction. The samples were gently crushed, ultrasonicated in methanol for 10 s to remove adhering clay particles, and dried under a laminar flow hood. Oxygen and carbon isotope analyses were performed using a Finnigan MAT 252 mass spectrometer at the Centres Científics i Tecnològics of the University of Barcelona (CCiT-UB).

本数据集源自希腊爱琴海中部采集得到的KC-13海洋沉积物岩芯（北纬38°14.6012′，东经25°06.2470′；水深652米），采集于OTE-2019科考航次（希腊海洋研究中心（HCMR），“埃盖奥号”考察船）。本数据集包含稳定氧同位素与稳定碳同位素数据。共计88个样本，均从粒径大于250微米的沉积物组分中手工挑选得到，每个样本由10~15粒浮游有孔虫（Globigerina bulloides）个体组成。样本经轻柔粉碎后，在甲醇中超声处理10秒以去除附着的黏土颗粒，随后在层流净化台中干燥。氧、碳同位素分析在巴塞罗那大学科学与技术中心（CCiT-UB）的Finnigan MAT 252质谱仪上完成。