Table 1 Location and duration of the sea level datasets held by the Port of London Authority.
From: Digitising historical sea level records in the Thames Estuary, UK
Gauge | Latitude (Degrees) | Longitude (Degrees) | Analogue (continuous analogue curve on microfilm) | Analogue (tabulated HW & LWs) | Digital (10 min 1994–1999, 1 min 2000 - current) |
|---|---|---|---|---|---|
1. Walton-on-Naze | 51.8428 | 1.2817 | 25/09/1967–03/11/1996 | 01/01/1968–31/12/1978, 01/06/1980–31/12/1995 | 01/01/1995 - current |
2. Margate Harbour | 51.3914 | 1.3797 | 21/03/1970–08/01/1997 | 22/09/1967–31/12/1977, 01/01/1979–31/12/1995 | 01/01/1994 - current |
3. Shivering Sand | 51.4723 | 1.1081 | 22/06/1964–09/05/1988 | 01/01/1974–31/12/1974 | 01/01/1995 – current (missing 2001) |
4. Southend | 51.5139 | 0.7255 | 03/01/1929–03/01/1997 | 01/01/1911–31/12/1995 | 01/01/1994 - current |
5. Coryton | 51.5041 | 0.5068 | 17/10/1969–23/01/1983 | 01/01/1969–31/12/1983 | 01/01/1994 - current |
6. Tilbury | 51.4562 | 0.3368 | 24/01/1929–12/10/1989 | 08/08/1912–31/12/1995 | 01/01/1994 - current |
7. Gallions Pier (Albert Dock) | 51.5069 | 0.0518 | 20/07/1950–08/05/1990 | 01/01/1915–07/09/1935, 01/01/1976–31/12/1990 | 01/01/1994 - current |
8. Silvertown (North Woolwich) | 51.4982 | 0.0478 | 20/07/1950–08/05/1990 | 20/07/1950–31/12/1975 | 01/01/1994 - current |
9. Cherry Garden Pier | 51.5013 | −0.0610 | — | 01/01/1911–31/12/1934 | — |
10. Tower Pier | 51.5070 | −0.0775 | 01/01/1929–10/01/1997 | 23/04/1929–31/12/1995 | 01/01/1995 - current |
11. Old Swan Pier | 51.5072 | −0.0919 | 01/01/1929–10/01/1997 | 01/05/1911–22/04/1929 | 01/01/1995 - current |
12. All Hallows Pier | 51.4468 | 0.7601 | — | 01/01/1911–31/01/1911 | — |
13. Temple Pier | 51.5107 | −0.1123 | — | 01/01/1911–31/12/1918 | — |
14. Strand-on-Green | 51.4867 | −0.2841 | — | 01/01/1911–31/12/1924 | — |
15. Richmond | 51.4623 | −0.3159 | 30/06/1962–10/01/1997 | 01/01/1911–31/12/1995 | 01/01/1995 - current |