Global Ocean Tides. Part VI. The Semidiurnal Elliptical Lunar Tide (N2), Atlas of Tidal Charts and Maps.
Abstract
In Part I (Schwiderski, 1978a) of this report, a unique hydrodynamical interpolation technique was introduced, extensively tested, and evaluated in order to compute partial global ocean tides in great detail and with a high degree of accuracy. This novel method has been applied to construct the semidiurnal elliptical lunar (N2) ocean tide with a relative accuracy of better than 5 cm anywhere in the open oceans. The resulting tidal amplitudes and phases are tabulated on a 1 deg x 1 deg grid system in an atlas of 42 deg x 71 deg overlapping charts covering the whole oceanic globe. A corresponding atlas of global corange and cotidal maps is included to provide the reader with a quick general overview of the major tidal phenomena. The specifying hydrodynamical parameters of the model are listed along with quoted sources of empirical tide dta, and significant tidal features are explained and discussed. The semidiurnal N2 ocean tide is found to resemble closely the semidiurnal M2 and S2 tides (compare Parts II and III). As mentioned in Parts II, III, IV, and V only qualitative similarities are displayed between the semidiurnal and diurnal ocean tides. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- May 01, 1981
- Accession Number
- ADA105949
Entities
People
- E. W. Schwiderski
Organizations
- Naval Surface Warfare Center Dahlgren Division