tide record

Grasped from the macro tide disaster record of the historical period of significance to the characteristics and value.

从宏观上把握了各历史时期记录海潮灾害的文献的特点和价值意义。

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Based on the investigation record from Guangxi and Hainan Provinces, this species bores in the substrate of sand or sand-mud from surface to 21 cm underneath below the low tide zone to a water depth of 78 m.

据在广西和海南沿海的调查，它生活在潮下带至水深78m的沙或沙泥底质中。营埋栖生活，深度达21cm。

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The best example is the M8. 3 earthquake occurring in Azov archipelago, Portugal, on November 25, 1941. The record of Lagos tide-gauge station shows that its sea level falls 30 cm one year before earthquake. The earthquake burst during anomaly recovery.

最有代表的标准震例是1941年11月25日葡萄牙亚速尔群岛8.3级大地震，我国渤海1969年7月18日7.4级地震前后烟台站的验潮记录也显示出显著异常。

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