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(-t, -): I tidevandsfarvand den laveste vandstand, ebbetid, forårsaget af de periodiske kræfter fra sol og måne samt effekten af meteorologiske og hydrologiske forhold.
Det laveste niveau som tidevandets højde indtager i en periode.
low water // LW // ebb // last of the ebb.
[KOF, Saint]
low water - the minimum height reached by a falling tide.
astronomisk lavvande, fork. LAT.
lowest astronomical tide. The lowest level of tide that can be predicted to occur under average meteorological conditions and under any combination of astronomical conditions.
laveste lavvande.
lower low water - the lowest of the low waters of any specified tidal day due to the declinational effects of the Moon and Sun.
[ATT]
laveste middellavvande.
Mean Lower Low Water is defined as the arithmetic mean of the lower low water height of each tidal day (24.84 hours).
[USCG Pilot 5, 2002 p.15]
middel lavvande.
Mean Low Water is defined as the arithmetic mean of all the low water heights observed over the National Tidal Datum Epoch.
tørt ved lavvande.
dry at low water.
[NAV1 p.30 + 298 + 305, NP100, USC] Kilder |