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EA:  SOUNDING_DATUM_TYPE

Status: STD 2005/06/07
Code: 1304

Concept definition: The type of a <SOUNDING_DATUM>.
 
Attribute value type: ENUMERATION
Reference type: IR
Reference: [S57A, Attribute: VERDAT]
Supplemental references:  

Enumerants (presented in a natural order)
Status Attribute label Enumerant label ▾ Concept definition Code Ref type Reference Supplemental references
STD
2005/06/07
SOUNDING_DATUM_TYPE APPROX_LOWEST_ASTRONOMICAL-
_TIDE
An approximate level, usually within 0,3 metres from that of <<<LOWEST_ASTRONOMICAL_TIDE>>>. 1 IR [S57A, Attribute, VERDAT:10] [FACC, Annex B, VDC:94]
STD
2005/06/07
SOUNDING_DATUM_TYPE APPROX_MEAN_LOWER_LOW-
_WATER
An approximate level, usually within 0,3 metres from that of <<<MEAN_LOWER_LOW_WATER>>>. 4 IR [S57A, Attribute, VERDAT:15] [FACC, Annex B, VDC:97]
STD
2005/06/07
SOUNDING_DATUM_TYPE APPROX_MEAN_LOW_SPRINGS An approximate level, usually within 0,3 metres from that of <<<MEAN_LOW_SPRINGS>>>; approximate mean low water springs. 2 IR [S57A, Attribute, VERDAT:7] [FACC, Annex B, VDC:92]
STD
2005/06/07
SOUNDING_DATUM_TYPE APPROX_MEAN_LOW_WATER An approximate level, usually within 0,3 metres from that of <<<MEAN_LOW_WATER>>>. 3 IR [S57A, Attribute, VERDAT:14] [FACC, Annex B, VDC:96]
STD
2005/06/07
SOUNDING_DATUM_TYPE APPROX_MEAN_SEA_LEVEL An approximate level, usually within 0,3 metres from that of <<<MEAN_SEA_LEVEL>>>. 5 IR [S57A, Attribute, VERDAT:19] [FACC, Annex B, VDC:98]
STD
2005/06/07
SOUNDING_DATUM_TYPE CHART_DATUM_UNSPECIFIED Chart <SURFACE_DATUM> is unspecified. 6 IR [FACC, Annex B, VDC:21]  
STD
2005/06/07
SOUNDING_DATUM_TYPE EQUINOCTIAL_SPRING_LOW-
_WATER
The level of <<<LOW_WATER_SPRINGS>>> near the time of an equinox; equinoctial spring low water. 7 PR [S57A, Attribute, VERDAT:22]  
STD
2005/06/07
SOUNDING_DATUM_TYPE HGHR_HIGH_LARGE_TIDE The mean of the <<<HIGHEST_HIGH_WATER>>>s, one from each of 19 years of observations; higher high water large tide. 8 PR [S57A, Attribute, VERDAT:28]  
STD
2005/06/07
SOUNDING_DATUM_TYPE HGHR_HIGH_WATER The highest of the <<<HIGH_WATER>>>s (or single <<<HIGH_WATER>>>) of any specified tidal day due to the declinational effects of the <MOON> and <SUN>; higher high water [TCG, "higher high water (HHW)"]. 9 IR [FACC, Annex B, VDC:3]  
STD
2005/06/07
SOUNDING_DATUM_TYPE HIGHEST_ASTRONOMICAL-
_TIDE
The highest <<TIDE_LEVEL>> that can be predicted to occur under average meteorological conditions and under any combination of astronomical conditions; highest astronomical tide. 12 PR [S57A, Attribute, VERDAT:30]  

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