海洋测绘2017，Vol.37Issue(4)：11-14,4.DOI:10.3969/j.issn.1671-3044.2017.04.002
关于理论最低潮面定义算法的修订
Revision to the Algorithms of Lowest Normal Low Water
摘要
Abstract
Based on some researches,the algorithms of the correction of long period tides and shallow water tides to Lowest Normal Low Water (LNLW) are revised.Detailed comparison of revised algorithms with Lowest Astronomical Tide (LAT) at 86 tide stations along the China seas is made.The results show that:(1) the differences are mostly less than 2 cm.(2) the algorithm of the correction of shallow water tides can't get the lowest water level at some river-mouth stations,where the amplitudes of shallow water tides are great.And at these stations,LNLW should be contrasted with LAT.At last,the influence of the number of tide constituents on LNLW is analyzed.It is shown that more tide constituents are used,but the lowest water level is not lower.13 major tide constituents are appropriate to calculate lowest water level.关键词
深度基准面/理论最低潮面/最低天文潮面/海道测量规范/算法修订Key words
chart datum/lowest normal low water/lowest astronomical tide/specifications for hydrographic survey/revision to algorithm分类
天文与地球科学引用本文复制引用
许军,暴景阳,于彩霞..关于理论最低潮面定义算法的修订[J].海洋测绘,2017,37(4):11-14,4.基金项目
国家自然科学基金项目(41501500、41074002). （41501500、41074002）
