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本文对影响南海的92次强冷空气过程的波浪场进行了分析。结果表明,南海大浪区的形成和维持同时受到前期华南一带700hPa等压面上的24小时变温、地面的24小时变压的制约。并对三者间的相互关系进行了探讨和计算,定性地获得了南海大浪区形成和浪场维持的结果以及最大波高的计算公式。后报检验结果与实测资料吻合较好。
The paper analyzes the wave field of 92 strong cold air processes in the South China Sea. The results show that the formation and maintenance of the Dalang district in the South China Sea are controlled by the 24-hour thermal stress on the 700hPa isobaric surface in the South China Sea and the 24-hour pressure change on the ground. The relationships among the three are explored and calculated, and the results of the formation and wave field maintenance and the formulas of the maximum wave height are obtained qualitatively. Post-test results and measured data agree well.