Vertical profiles of environmental parameters measured on discrete water samples collected with Niskin bottles at station TARA_087 during the Tara Oceans expedition 2009-2013

The Tara Oceans Expedition (2009-2013) was a global survey of ocean ecosystems aboard the Sailing Vessel Tara. It carried out extensive measurements of evironmental conditions and collected plankton (viruses, bacteria, protists and metazoans) for later analysis using modern sequencing and state-of-the-art imaging technologies. Tara Oceans Data are particularly suited to study the genetic, morphological and functional diversity of plankton. The present data set includes properties of seawater, particulate matter and dissolved matter that were measured from discrete water samples collected with Niskin bottles during the 2009-2013 Tara Oceans expedition. Properties include pigment concentrations from HPLC analysis (10 depths per vertical profile, 25 pigments per depth), the carbonate system (Surface and 400m; pH (total scale), CO2, pCO2, fCO2, HCO3, CO3, Total alkalinity, Total carbon, OmegaAragonite, OmegaCalcite, and dosage Flags), nutrients (10 depths per vertical profile; NO2, PO4, N02/NO3, SI, quality Flags), DOC, CDOM, and dissolved oxygen isotopes. The Service National d'Analyse des Paramètres Océaniques du CO2, at the Université Pierre et Marie Curie, determined CT and AT potentiometrically. More than 200 vertical profiles of these properties were made across the world ocean. DOC, CDOM and dissolved oxygen isotopes are available only for the Arctic Ocean and Arctic Seas (2013).

2009-2013年的塔拉海洋科考航次（Tara Oceans Expedition）是一场搭乘塔拉号帆船（Sailing Vessel Tara）开展的全球海洋生态系统调查。该航次针对海洋环境条件开展了系统性测量，并采集了浮游生物（涵盖病毒、细菌、原生生物与后生动物）样本，以供后续借助现代测序技术与顶尖成像手段开展分析。塔拉海洋数据集尤其适用于探究浮游生物的遗传、形态与功能多样性。本数据集涵盖了2009-2013年塔拉海洋科考航次中，使用尼斯金采水器（Niskin bottles）采集的离散水样所测得的海水、颗粒物与溶解物相关属性参数。所涵盖的属性参数包括：经高效液相色谱（High Performance Liquid Chromatography，HPLC）分析得到的色素浓度（每个垂直剖面设置10个采样深度，每个深度检测25种色素）；碳酸盐系统参数（覆盖表层与400米深度，包括总尺度pH、CO₂、分压CO₂（pCO₂）、逸度CO₂（fCO₂）、碳酸氢根（HCO₃⁻）、碳酸根（CO₃²⁻）、总碱度、总碳、文石饱和度、方解石饱和度，以及标记值）；营养盐参数（每个垂直剖面设置10个采样深度，涵盖NO₂、PO₄、亚硝态氮/硝态氮（NO₂/NO₃）、硅酸盐（SI），以及质量标记值）；溶解有机碳（Dissolved Organic Carbon，DOC）、有色溶解有机物（Colored Dissolved Organic Matter，CDOM），以及溶解氧同位素。由皮埃尔与玛丽·居里大学（Université Pierre et Marie Curie）下属的二氧化碳海洋参数国家分析服务中心（Service National d'Analyse des Paramètres Océaniques du CO2）采用电位滴定法测定了总碳（CT）与总碱度（AT）。本次航次在全球海洋范围内完成了200余条此类参数的垂直剖面测量。其中，溶解有机碳（DOC）、有色溶解有机物（CDOM）与溶解氧同位素数据仅覆盖北冰洋与北极海域（2013年采集）。