Mean Lower Low Water (MLLW) 2


Mean Lower Low Water (MLLW) 2 :

A tidal datum. The average of the lower low water height of each tidal day observed over the National Tidal Datum Epoch. For stations with shorter series, comparison of simultaneous observations with a control tide station is made in order to derive the equivalent datum of the National Tidal Datum Epoch. (See http://tidesandcurrents.noaa.gov/publications/glossary2.pdf or http://tidesandcurrents.noaa.gov/datum_options.html)

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