Whale sightings during POLARSTERN cruise PS105@en

Date/Time is given in UTC. Certainty of identification: definite if observer clearly identified the species. The number of individuals is binned according to the options given in the data acquisition software: 1, 2, 3, less equal 5, less equal 10, greater than 10, greater than 20. More precise values may exist, due to observer comments.数据所采用的日期与时间均为协调世界时（UTC）。物种识别置信度：若观测者可明确辨识目标物种，则识别置信度为确定。个体数量按照数据采集软件提供的分组选项进行分箱统计，分组标准依次为：1只、2只、3只、≤5只、≤10只、＞10只、＞20只。若观测者附带相关备注，则可能存在更为精确的个体数量数值。