=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Port Said           330/001 RLR(1946) is 8.3m below BM
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-Mar-1993
Apparent datum shift in RLR record around 1936.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 14-Jul-1994
For a discussion of submergence near to Port Said see Emery and Aubrey (Sea Levels, Land Levels and Tide Gauges), 1991, Springer-Verlag, page 35. However, see also note above about possible datum shift in the tide gauge data.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 01-Oct-1997
Analysis of Suez Canal data is described by F.M.Eid, S.H.Sharaf El-Din and K.A.Alam El-Din, "Sea-level variation along the Suez Canal",Estuarine, Coastal and Shelf Science,44,613-619,1997.