Data accompanying the research on Secular Trends in Global Tides

The dataset constists of two files with data obtained in a study on secular trends in global tides derived from satellite altimetry. Both datasets contain linear coefficients describing the trend in amplitude and phases of major tides, based on tidal harmonics computed from global altimetry-derived water levels (from TOPEX/Poseidon and Jason satellites) following from two alternative methods (SegHA vs TintHA). The first (global) dataset contains trends at crossover locations (data stacking applied before analysis). The second data contains trends computed at along-track basis for the North West European Shelf.

本数据集包含两份文件，其数据源自一项基于卫星测高反演结果开展的全球潮汐长期趋势研究。两份数据集均包含描述主要潮汐振幅与相位变化趋势的线性系数，该系数基于由TOPEX/Poseidon及Jason卫星的全球测高反演水位计算得到的潮汐调和常数，并采用了两种可选分析方法（SegHA与TintHA）。其中第一份（全球）数据集包含交叉点处的潮汐趋势，分析前已对数据实施堆叠处理；第二份数据集则针对西北欧陆架，沿轨向计算得到了潮汐趋势。