中国沿岸验潮站潮汐调和常数的置信度确定
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摘要
对中国沿岸七个具有代表性的长期验潮站按照年观测序列进行了调和分析结果的精度统计,并根据间接平差的条件对分潮振幅进行了t分布检验,还对具有缺测数据的年观测资料得来的主要分潮调和常数进行了置信度确定。结果表明,由完整年观测资料得来的分潮振幅具有毫米级精度。根据α=0.1进行t检验后,由年观测序列得来的122个分潮有近一半的分潮对实际计算水位高度没有较大作用。由具有缺测数据的年观测资料得来的长周期分潮振幅的置信度下降明显。
For seven typical long term tidal stations along the coast of China,the accuracy evaluations are performed based on statistics of the analyzed results series from yearly observations. The T-distribution of the tidal amplitudes is tested according to the conditions of indirect adjustment method. The confidence level of the harmonic constants from yearly observations with the missing data is determined. The statistics shows that the harmonic constants from the complete year observation data can reach mm accuracy level. According to the T-test,nearly half of the harmonic constants from the yearly observation do not have a significant effect on the actual calculated water level. The confidence level of the amplitude of long period constituents from yearly observations with the missing data is significantly reduced.
For seven typical long term tidal stations along the coast of China,the accuracy evaluations are performed based on statistics of the analyzed results series from yearly observations. The T-distribution of the tidal amplitudes is tested according to the conditions of indirect adjustment method. The confidence level of the harmonic constants from yearly observations with the missing data is determined. The statistics shows that the harmonic constants from the complete year observation data can reach mm accuracy level. According to the T-test,nearly half of the harmonic constants from the yearly observation do not have a significant effect on the actual calculated water level. The confidence level of the amplitude of long period constituents from yearly observations with the missing data is significantly reduced.
引文
[1]黄祖珂,黄磊.潮汐原理与计算[M].青岛:青岛海洋大学出版社,2005:75-89.
[2]PATRICK F C I,JOSEF Y C I,MICHAEL G G,et al.North Pacific internal tides from the Aleutian Ridge:altim-eter observations and modeling[J].Journal of Marine Re-search,2001,59(2):167-191.
[3]A S Franco,J Harari.On the Stability of Long Series Tidal Analyses[J].International Hydrographic Review,1993(1):77-89.
[4]暴景阳,刘雁春,肖付民.潮汐分析与预报的误差分析[J].海洋测绘,1995,15(1):31-37.
[5]暴景阳,许军.中国沿岸验潮站潮汐调和常数的精度评估[J].海洋测绘,2013,33(1):1-4.
[6]武汉大学测绘学院测量平差学科组.误差理论与测量平差基础[M].武汉:武汉大学出版社,2009:216-221.
[7]方国洪,郑文振,陈宗镛.等.潮汐和潮流的分析和预报[M].北京:海洋出版社,1986:67-75.
[8]于玲,方国洪.中国近海验潮站长期观测资料的潮汐调和分析[J].海洋科学进展,2010,02:133-141.
[9]暴景阳,晁定波,李建成.南中国海TOPEX_POSEID轨迹交叉点测高数据的潮汐调和分析[J].测绘学报,2000,29(1):17-23.
[10]王骥,方国洪.不完整逐时潮汐观测记录的分析[J].海洋学报,1981,03(2):193-210.
[11]刘雁春.海洋测绘空间结构及数据处理[M].北京:测绘出版社,2003:55-68.
[12]暴景阳,刘雁春.海道测量水位控制方法研究[J].测绘科学,2006,06:49-51.
[2]PATRICK F C I,JOSEF Y C I,MICHAEL G G,et al.North Pacific internal tides from the Aleutian Ridge:altim-eter observations and modeling[J].Journal of Marine Re-search,2001,59(2):167-191.
[3]A S Franco,J Harari.On the Stability of Long Series Tidal Analyses[J].International Hydrographic Review,1993(1):77-89.
[4]暴景阳,刘雁春,肖付民.潮汐分析与预报的误差分析[J].海洋测绘,1995,15(1):31-37.
[5]暴景阳,许军.中国沿岸验潮站潮汐调和常数的精度评估[J].海洋测绘,2013,33(1):1-4.
[6]武汉大学测绘学院测量平差学科组.误差理论与测量平差基础[M].武汉:武汉大学出版社,2009:216-221.
[7]方国洪,郑文振,陈宗镛.等.潮汐和潮流的分析和预报[M].北京:海洋出版社,1986:67-75.
[8]于玲,方国洪.中国近海验潮站长期观测资料的潮汐调和分析[J].海洋科学进展,2010,02:133-141.
[9]暴景阳,晁定波,李建成.南中国海TOPEX_POSEID轨迹交叉点测高数据的潮汐调和分析[J].测绘学报,2000,29(1):17-23.
[10]王骥,方国洪.不完整逐时潮汐观测记录的分析[J].海洋学报,1981,03(2):193-210.
[11]刘雁春.海洋测绘空间结构及数据处理[M].北京:测绘出版社,2003:55-68.
[12]暴景阳,刘雁春.海道测量水位控制方法研究[J].测绘科学,2006,06:49-51.