Nutrients measured on water bottle samples during G. O. Sars cruise GS2016109...

Using CTD .btl files for each cast, pressures were converted into depths shown here using UNESCO MS 44 (Fofonoff and Millard, 1983).

本数据集以每个测站的CTD（Conductivity Temperature Depth）.btl格式文件为基础，依据联合国教科文组织MS 44手册（Fofonoff与Millard，1983）提出的方法，将观测压力转换为本文所示的水深值。