GB/T 42254-2022
ActiveSea ice grade of Bohai Sea and Northern Yellow Sea
渤海和黄海北部冰情等级
Application Summary AI generated
This standard defines the classification system for sea ice severity in the Bohai Sea and the northern Yellow Sea, specifying grades based on ice extent, thickness, and duration. It is applied by Chinese marine meteorological and navigation authorities for operational ice monitoring, hazard assessment, and to guide winter shipping safety and offshore engineering in these seasonally ice-covered waters.
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