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一、前 言 随着海上交通运输、海洋工程及海上石油开发事业的迅速发展,海冰的生消变化对海洋事业的发展带来了一定的危害,因此,为了满足海上石油勘采开发及海上交通运输的需要,保证钻井船只冬季作业的安全生产,进行了1988年─1989年冬季渤海海冰预报,并对特定海区:辽东湾（JZ20-2-1和SZ36-1）及莱州湾石油开发区进行了重点分析及预报。海冰预报时效分别为年展望预报、月预报、旬预报（10天）及侯预报（5天）。现已较好地完成了海冰预报任务。为了进一步了解1988年─1989年冬季渤海地区气候变化规律及海冰生消变化过程,进一步详细的分析结果是很有必要的。
I. Introduction With the rapid development of maritime transport, marine engineering and the development of offshore oil business, the birth and fall of sea ice has brought some damage to the development of marine undertakings. Therefore, in order to meet the requirements of offshore petroleum exploration and exploitation and maritime traffic Transportation needs, to ensure the safe operation of drilling vessels in winter operations, carried out the winter 1988 Bohai Sea ice forecast 1988 and 1989, and specific sea areas: Liaodong Bay (JZ20-2-1 and SZ36-1) and Laizhou Bay Petroleum Development Zone Conducted a key analysis and forecast. Sea ice forecasting aging are annual forecast, monthly forecast, ten-day forecast (10 days) and Hou forecast (5 days). Now the task of sea ice forecasting has been completed well. In order to further understand the law of climate change in the Bohai Sea from 1988 to 1989 and the process of sea ice birth and birth changes, it is necessary to further analyze the results in detail.