Nitrate plus nitrite isotopic compositions from Leg 1 of the Antarctic Circumnavigation Expedition (ACE) research cruise onboard the R/V Akademik Treshnikov from December 2016 to January 2017

Here we present nitrate plus nitrite isotopic compositions from Leg 1 of the Antarctic Circumnavigation Expedition (ACE) research cruise onboard the R/V Akademik Treshnikov. This cruise sampled surface and water-column profiles of the summertime Indian Sector of the Southern Ocean, starting in Cape Town, South Africa and ending in Hobart, Australia from December 2016 to January 2017. The data collected focused on potential drivers of the nitrate plus nitrite isotope effect.本数据集涵盖南极环球探险（Antarctic Circumnavigation Expedition, ACE）第一航次的硝酸盐与亚硝酸盐同位素组成数据，该航次由R/V Akademik Treshnikov号科考船执行。本次科考航次于2016年12月至2017年1月期间开展，从南非开普敦起航，终点为澳大利亚霍巴特，对南大洋印度洋扇区的夏季表层水体及水柱剖面完成了采样。本次采集的数据聚焦于硝酸盐与亚硝酸盐同位素效应的潜在驱动因素。