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1·The Storm-surge error range due to the tidal hour and tidal level prediction error is discussed.

本文讨论了由于天文潮潮高和潮时的预报误差可能引起的风暴潮增水值的误差范围；

2·Linear perturbation model to the tidal level forecasting for Nanjing and Zhen Jiang stations are discribed.

本文试图用线性扰动河流预报模型对长江南京站、镇江站的潮水位进行预报。

3·The model is used to calculate water level and dis-charge of river network with tidal level as independent variable.

该模型根据潮水位的变化，模拟河网的水位和流量变化过程。

4·To ensure navigation safety, considering ships need to keep extra depth, the paper proposes the calculations method of tidal level and time of navigation.

在考虑船舶航行时需留出足够的富裕水深的基础上，提出计算乘潮水位和通航时间的方法。

5·The research shows that the design value combines tidal level and wave by composite frequency method is considered to be the reference for design levee elevation.

该研究表明，可采用组合频率法推求的潮位与波浪组合设计值作为制定海堤设计高程的依据。

6·The results show that the model can analyze the change of tidal level influenced by astronomic tide and typhoon together and fit for the request of storm surge forecast.

结果表明，该模型能够分析天文潮和台风组合作用下的潮水位变化，能够满足风暴潮预报要求。

7·Some key techniques, such as attitude correction, quality control of GPS height, transformation of vertical reference datum and extraction of tidal level, are studied in detail.

这些关键问题主要有姿态改正、GPS高程质量控制、垂直基准转换、基于信号的在航潮位提取。

8·The flux control loop realizes the exchange between the water level value and flux value at the coupling boundary, and the water level control loop realizes tidal level simulation.

其中流量控制回路实现了物模和数模在耦合边界处水位和流量的交换； 水位控制回路实现了入海口潮汐水位的模拟。

9·The calculation and its verification show that the calculated processes of tidal level and current fairly well coincide with field data, and the flow field of calculation is reasonable.

实例计算和验证表明：计算的潮位和潮流过程与实测过程吻合较好，计算的流场合理。

10·In this paper, the observed land surface height data and tidal data in the Yellow River delta foreland area are used to describe the variations in depth datum and tidal level in the area.

通过黄河三角洲前沿陆地高程的变化和验潮获得的资料，介绍了黄河三角洲前沿深度基准面的变化和潮位变化情况。