| 基于压力式验潮仪的潮汐应急观测可行性研究 |
| Research on the Feasibility of Emergency Tidal Observation Base on Pressure Tide Gauge |
| 投稿时间：2018-10-26 修订日期：2018-11-23 |
| DOI： |
| 中文关键词: 压力式验潮仪 潮位 潮位误差 相关系数 潮汐应急观测 |
| 英文关键词:pressure tide gauge tide level tide level error correlation coefficient tidal emergency observation |
| 基金项目:国家海洋局南海分局海洋科学技术局长基金研究项目 |
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| 中文摘要: |
| 针对沿岸验潮站点布局密度不够的问题，本文使用压力式验潮仪进行潮汐应急观测，以汕尾海域为实验海域，对实验数据进行了回归分析处理，并计算了实验数据的误差和相关系数。结果表明，压力式验潮仪具有良好的稳定性，其潮位误差绝对值约为2.4cm。遮浪站附近海域4-10月份主要受偏西风影响控制，对潮位误差影响较明显。台风灾害过程中，压力式验潮仪潮位与实际潮位的数据曲线基本吻合，两者的相关系数均在0.99以上；此外，压力式验潮仪潮位误差绝对值均小于5cm，反应了压力式验潮仪潮位数据能较好的反应台风灾害过程中实际潮位的变化，表明使用压力式验潮仪开展潮汐观测工作具备良好的可行性。 |
| 英文摘要: |
| In order to solve less distribiton of tide gauges along coast, pressure tide gauge is used for tidal emergency observation. Taking Shanwei sea area as the experimental sea area, the experiment data were analyzd by regression,We also calculate the error and correlation coefficient of experimental data.The results show that the pressure tide gauge has good stability, and the absolute value of the tidal level error is approximately 2.4 cm. The sea area near the zhelang station is mainly influenced by the westerly wind from April to October, which exerts an obvious impact on the tidal level error. During the typhoon, the tidal level data curve of the pressure tide gauge was basically the same as the measured tidal level data curve.The correlation coefficient between the tidal level data of the pressure tide gauge and the measured tidal level data is 0.99.Besides, the absolute value of the tidal level error is less than 5cm, it reflects that the tidal level data of the pressure tide gauge can well reflect the change of measured tidal level during the typhoon. Thus it is indicated that the tidal emergency observation working of the pressure tide gauge has high feasibility . |
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