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本文论述了较为简便的计算平均海面的公式。用本文建议采用的公式(8)计算了正规半日潮港、不正规半日潮港、不正规日潮港、日潮港以及浅海半日潮港的潮位资料,其结果与用24小时潮位高度取平均值,和鲁斯特提出的计算平均海面的公式计算结果比较,年平均值相差小于0.3厘米,月平均值相差一般也均在0.6厘米之内。可见,完全满足实用上和潮汐推算等有关方面的需要。此外,本文还讨论半潮面和平均海面的差异问题。
This article discusses a simpler formula for calculating the mean sea surface. Using the formula (8) proposed in this paper, the tide-level data of normal half-day tidal range, irregular half-daily tidal range, irregular day tide range, daily tide range and shallow-tide half-tidal range are calculated. Value, and the calculation formula of the average sea surface calculated by Rust shows that the annual average difference is less than 0.3 cm, and the monthly average difference is generally within 0.6 cm. Visible, fully meet the practical and tidal projections and other related needs. In addition, this article also discusses the differences between the semi-tidal and mean sea surface.