GSI HOME > Geodetic survey > Tide Observation > List of tide stations of the Japanese Imperial Land Survey  

List of tide stations of the Japanese Imperial Land Survey

 Data are accessible for those recorded at these stations up to 1924. The file format is text (.day, .mon, .tdb). It will be downloaded automatically depending on the browser settings, so please be careful.
 
No.  Tide station   Daily mean sea level  Monthly mean sea level    Annual mean sea level  
1 Ayukawa  1894-1899   1900-1909   1910-1919   1920-1924  1894-1924 1894-1924
2 Kushimoto  1894-1899  1900-1909 1910-1919 1920-1924 1894-1924 1894-1924
3 Fukahori  1894-1899  1900-1909 1910-1919 1920-1924 1894-1924 1894-1924
4 Sotoura  1894-1899  1900-1909 1910-1919 1920-1924 1894-1924 1894-1924
5 Iwasaki  1894-1899  1900-1909 1910-1919 1920-1924 1894-1924 1894-1924
6 Hanasaki  1896-1899  1900-1909 1910-1919 1920-1924 1896-1924 1896-1924


Map of the tidal stations of the Japanese Imperial Land SurveyAyukawaKushimotoFukahoriSotouraIwasakiHanasaki
*The numbers of the tide stations denote the order of the accompanying stone marker.
 
No.  Tide station    Latitude    Longitude    Type of tide gauge    Tide datum plane    Height of the fixed point    Year of establishment   Map
1 Ayukawa 38-18N 141-30E Kelvin 5.000m --- June 1901 Click here
2 Kushimoto 33-28N 135-47E Kelvin 6.000m --- May 1895 Click here
3 Fukahori 32-41N 129-49E Kelvin 5.000m --- Apr. 1895 Click here
4 Sotoura 34-54N 132-05E Kelvin 4.000m --- July 1895 Click here
5 Iwasaki 40-35N 139-55E Kelvin 5.000m --- Sep. 1896 Click here
6 Hanasaki 43-17N 145-35E Kelvin 5.000m --- Nov. 1895 Click here
 
  • The values of latitude, longitude and altitude are the values recorded at that time.
  • Method for calculating tidal height: Tidal height = height of the fixed point - constant of the tide datum plane + tide level

Go to top