苏联甚尔绍夫海洋研究所的“施托克曼教授号”科学调查船的第九航次是为研究大西洋毗邻海域亚马孙河底流而进行的。该航次的主要任务是进行上述水域环流的生物化学、沉积学、光学、生物学研究以及估计亚马孙河环境对与之毗邻的大西洋海域水流过程的影响。另一重要任务就是与巴西科学家建立科学联系,因为在这以前,苏联与巴西科学之间还没有什么联系。该航次是从1983年2月4号加里宁格勒港出发到 The ninth voyage of the “Stokker Professor” scientific investigation vessel at the Soviet Institute of Marine Research at Portschloff Marine Institute was conducted to study the Amazonian underflow in the adjacent Atlantic Ocean. The voyage’s primary mission is to conduct biochemical, sedimentological, optical and biological studies of the above-mentioned waters circulation and to assess the impact of the Amazonian environment on the Atlantic Ocean waters adjacent to it. Another important task is to establish scientific ties with Brazilian scientists, because before that there was no connection between the Soviet Union and Brazilian science. The voyage is from February 4, 1983 to Kaliningrad port