Navn;Beskrivelse;Kodeverdi;Navn engelsk;Beskrivelse engelsk;Kodeverdi engelsk
Mean low water springs;The average height of the low waters of spring tides. Also called spring low water. (IHO Dictionary, S-32, 5th Edition, 3150);1;Mean low water springs;;Mean low water springs
Mean lower low water springs;The average height of lower low water springs at a place. (IHO Dictionary, S-32, 5th Edition, 3146);2;Mean lower low water springs;;Mean lower low water springs
Mean sea level;;3;Mean sea level;;Mean sea level
Lowest low water;An arbitrary level conforming to the lowest tide observed at a place, or some what lower.;4;Lowest low water;;Lowest low water
Mean low water;(MLW) - the average height of all low waters at a place over a 19-year period. (IHO Dictionary, S-32, 5th Edition, 3147);5;Mean low water;;Mean low water
Lowest low water springs;An arbitrary level conforming to the lowest water level observed at a place at spring tides during a period of time shorter than 19 years. (Hydrographic Service, Royal Australian Navy);6;Lowest low water springs;;Lowest low water springs
Approximate mean low water springs;"An arbitrary level, usually within "" 0.3m from that of mean low water springs (MLWS)"". (Hydrographic Service, Royal Australian Navy)";7;Approximate mean low water springs;;Approximate mean low water springs
Indian spring low water;(ISLW) - an arbitrary tidal datum approximating the level of the mean of the lower low water at spring tides. Also called Indian tidal plane. (IHO Dictionary, S-32, 5th Edition, 2427);8;Indian spring low water;;Indian spring low water
Low water springs;An arbitrary level, approximating that of mean low water springs (MLWS). (Hydrographic Service, Royal Australian Navy);9;Low water springs;;Low water springs
Approximate lowest astronomical tide;"An arbitrary level, usually within "" 0.3m from that of lowest astronomical tide (LAT)"". (Hydrographic Service, Royal Australian Navy)";10;Approximate lowest astronomical tide;;Approximate lowest astronomical tide
Nearly lowest low water;An arbitrary level approximating the lowest water level observed at a place, usually equivalent to the Indian spring low water (ISLW). (Hydrographic Service, Royal Australian Navy);11;Nearly lowest low water;;Nearly lowest low water
Mean lower low water;(MLLW) - the average height of the lower low waters at a place over a 19-year period. (IHO Dictionary, S-32, 5th Edition, 3145);12;Mean lower low water;;Mean lower low water
Low water;An approximation of mean low water adopted as the reference level for a limited area, irrespective of better determinations at a later date.  Used mostly in harbour and river engineering.;13;Low water;;Low water
Approximate mean low water;"An arbitrary level, usually within "" 0.3m from that of mean low water (MLW)"". (Hydrographic Service, Royal Australian Navy)";14;Approximate mean low water;;Approximate mean low water
Approximate mean lower low water;"An arbitrary level, usually within "" 0.3m from that of mean lower low water (MLLW)"". (Hydrographic Service, Royal Australian Navy)";15;Approximate mean lower low water;;Approximate mean lower low water
Mean high water;(MHW) - the average height of all high waters at a place over a 19-year period. (IHO Dictionary, S-32, 5th Edition, 3141);16;Mean high water;;Mean high water
Mean high water springs;(MHWS) - the average height of the high waters of spring tides. Also called spring high water. (IHO Dictionary, S-32, 5th Edition, 3144);17;Mean high water springs;;Mean high water springs
High water;The highest level reached at a place by the water surface in one tidal cycle.  Also called high tide. (IHO Dictionary, S-32, 5th Edition, 2251);18;High water;;High water
Approximate mean sea level;The highest level reached at a place by the water surface in one tidal cycle.  Also called high tide. (IHO Dictionary, S-32, 5th Edition, 2251);19;Approximate mean sea level;;Approximate mean sea level
High water springs;An arbitrary level, approximating that of mean high water springs (MHWS). (Hydrographic Service, Royal Australian Navy);20;High water springs;;High water springs
Mean higher high water;(MHHW) - the average height of higher high waters at a place over a 19-year period. (IHO Dictionary, S-32, 5th Edition, 3140);21;Mean higher high water;;Mean higher high water
Equinoctial spring low water;The level of low water springs near the time of an equinox;22;Equinoctial spring low water;;Equinoctial spring low water
Lowest astronomical tide;(LAT) - the lowest tide level which can be predicted to occur under average meteorological conditions and under any combination of astronomical conditions. (IHO Dictionary, S-32, 5th Edition, 2936);23;Lowest astronomical tide;;Lowest astronomical tide
Local datum;An arbitrary datum defined by a local harbour authority, from which levels and tidal heights are measured by this authority.;24;Local datum;;Local datum
International Great Lakes Datum 1985;(IGLD 1985) - a vertical reference system with its zero based on the mean water level at Rimouski/Pointe-au-PPre, Quebec, over the period 1970 to 1988.;25;International Great Lakes Datum 1985;;International Great Lakes Datum 1985
Mean water level;The average of all hourly water levels over the available period of record;26;Mean water level;;Mean water level
Lower low water large tide;(LLWLT) - the average of the lowest low waters, one from each of 19 years of observations.;27;Lower low water large tide;;Lower low water large tide
Higher high water large tide;(HHWLT) - the average of the highest high waters, one from each of 19 years of observations.;28;Higher high water large tide;;Higher high water large tide
Nearly highest high water;;29;Nearly highest high water;;Nearly highest high water