Dissolved Ga and Ba from surface tows from R/V Knorr cruises KN199-04, KN199-05, and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project)

<p>Lab-based measurements of dissolved Gallium (Ga)&nbsp;and Barium (Ba)&nbsp;from surface tows from the 2010 and 2011 US GEOTRACES cruises (GT10 and GT11).</p> <p><strong>STATUS NOTE:</strong>&nbsp;These data were significantly updated on 30 August 2016. A volume correction had not been applied to the previous version, and thus all of the original values&nbsp;needed to be multiplied by 0.9805. This correction has been applied in the 30 August version, now available online. There were also some samples that were&nbsp;re-analyzed for Ba with the values revised accordingly. Additionally, the PIs&nbsp;withdrew the Pb data (in the original version) because higher quality&nbsp;Pb data are already available&nbsp;from these&nbsp;cruises.</p> <p>Please note that some US GEOTRACES data may not be final, pending intercalibration results and further analysis. If you are interested in following changes to US GEOTRACES NAT data, there is an RSS feed available via the BCO-DMO <a href=\"http://www.bco-dmo.org/project/2066\" target=\"_blank\">US GEOTRACES project page</a> (scroll down and expand the \"Datasets\" section).</p>本数据集收录了2010年与2011年美国全球海洋示踪剂研究计划（US GEOTRACES）航次（GT10与GT11）的表层拖网样品中溶解态镓（Gallium, Ga）和钡（Barium, Ba）的实验室测量结果。 <strong>状态说明：</strong> 本数据集于2016年8月30日完成重大更新。此前版本未应用体积校正系数，所有原始数值均需乘以0.9805方能正确使用。本次更新后的版本已在线发布，已完成该校正操作。另有部分钡（Barium, Ba）样品经重新分析后修正了对应数值。此外，项目负责人（Principal Investigators, PIs）已移除原始版本中的铅（Lead, Pb）数据，原因是该航次已存在更高质量的铅数据。 请注意，部分US GEOTRACES数据尚未最终定稿，仍需等待交叉校准结果与进一步分析。若您希望跟踪US GEOTRACES NAT数据的更新动态，可通过BCO-DMO的<a href="http://www.bco-dmo.org/project/2066" target="_blank">US GEOTRACES项目页面</a>（向下滚动并展开“数据集”板块）获取RSS订阅源。