Supplement to: Yang, Jin-Yu Terence; Kao, Shuh-Ji; Dai, Minhan; Yan, Xiuli; Lin, Hui-Ling (2017): Examining N cycling in the northern South China Sea from N isotopic signals in nitrate and particulate phases. Journal of Geophysical Research: Biogeosciences, 122(8), 2118-2136, https://doi.org/10.1002/2016JG003618