Stable carbon isotopic signatures of solid-phase extracted DOC from seawater collected on three GO-SHIP Repeat Hydrography Cruises in 2015-2018 along transects P16N, P18, and I07N.

These data include stable carbon isotopic measurements (d13C) of solid-phase extracted dissolved organic matter (SPE-DOC) from three GO-SHIP Repeat Hydrography Cruises transects P16N (151°W; 2015), P18 (103-110°W; 2016/2017), and I07N (50-70°E; 2018) aboard the NOAA Ship Ronald H. Brown. The "weighted average depth" refers to that of seawater integrated between 0-200m and 2-4km depth. These data are used to compare carbon isotopic compositions of recalcitrant DOC to bulk DOC, yielding new insights toward the importance of the microbial carbon pump toward the sequestration of DOC in the global deep-ocean. This data accompanies an article currently in review at Geophysical Research Letters.

本数据集涵盖了三次GO-SHIP重复海洋水文调查航次（P16N：151°W，2015年；P18：103°W~110°W，2016/2017年；I07N：50°E~70°E，2018年）中，搭载美国国家海洋和大气管理局（NOAA）罗纳德·H·布朗号科考船采集的固相萃取溶解有机物（solid-phase extracted dissolved organic matter, SPE-DOC）的稳定碳同位素比值（δ¹³C）测试数据。文中所指的“加权平均深度”为0~200米与2~4千米深度区间内的海水积分平均深度。本数据集用于对比难降解溶解有机物（recalcitrant DOC）与总溶解有机物（bulk DOC）的碳同位素组成，可为理解微生物碳泵（microbial carbon pump）在全球深海溶解有机物固存过程中的重要性提供新认知。本数据集配套一篇目前正在《地球物理研究通讯》（Geophysical Research Letters）审稿中的学术文章。