This standard specifies the names, numerical codes, symbols, diagram legends, color coding of various sea ice elements, as well as the principles, requirements and basic methods for using these diagram legends. This standard applies to the design and compilation of sea ice charts.
HY/T 230-2018 Referenced Document
GB/T 12763.2-2007 Specifications for oceanographic survey.Part 2:Marine hydrographic observation
GB/T 14914 The specification for offshore observations