Mean sea level
7-4-165
A level of the sea surface calculated as a mean of high and low water levels of all tides over a long period.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
7-4-165
A level of the sea surface calculated as a mean of high and low water levels of all tides over a long period.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
ampere
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM