Sea Ice Concentration Climate Data Record Release 3.1 - Multimission

Daily averaged fractional ice cover in percentage, processed from passive microwave satellite data (SMMR, SSM/I, and SSMIS) over the polar regions. Sea ice concentration and its uncertainties are calculated from swath observations, and averaged and gridded to the daily fields. This CDR benefited from R&D activities in the ESA CCI projects. This is a Thematic Climate Data Record (TCDR).

本数据集为基于极地地区被动微波卫星数据（SMMR、SSM/I及SSMIS）处理得到的日平均冰盖覆盖率（以百分比为单位）。海冰密集度及其不确定性由条带观测数据计算得到，经平均与网格化处理后生成逐日格点场。本气候数据记录（Climate Data Record，CDR）受益于欧洲空间局气候变化倡议（ESA CCI）项目的研发工作，属于专题气候数据记录（Thematic Climate Data Record，TCDR）。