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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 NEAP_TIDE <NEAP_TIDE>. 40     [FACC, Annex B, VDC:17]
STD
2005/06/07
SOUNDING_DATUM_TYPE SPRING_TIDE <SPRING_TIDE>. 43     [FACC, Annex B, VDC:18]
STD
2005/06/07
SOUNDING_DATUM_TYPE INDIAN_SPRING_HIGH_WATER A <<TIDAL_DATUM>> approximating the level of the mean of the <<<HGHR_HIGH_WATER>>> at <SPRING_TIDE>s; Indian spring high water. This <<TIDAL_DATUM>> approximates the highest water level observed at a <LOCATION> and is usually above that of the <<<HGHR_HIGH_WATER>>> at <SPRING_TIDE>s. 16 IR [FACC, Annex B, VDC:30]  
STD
2005/06/07
SOUNDING_DATUM_TYPE INDIAN_SPRING_LOW_WATER A <<TIDAL_DATUM>> approximating the level of the mean of the <<<LOWER_LOW_WATER>>> at <SPRING_TIDE>s; Indian spring low water. This <<TIDAL_DATUM>>, which is also known as Indian tidal plane, approximates the lowest water level observed at a <LOCATION> and is usually below that of the <<<LOWER_LOW_WATER>>> at <SPRING_TIDE>s. 17 IR [S57A, Attribute, VERDAT:8] [FACC, Annex B, VDC:4]
STD
2005/06/07
SOUNDING_DATUM_TYPE LOW_WATER_SPRINGS A level approximating that of <<<MEAN_LOW_SPRINGS>>>; low water springs. 20 IR [S57A, Attribute, VERDAT:9] [FACC, Annex B, VDC:93]
STD
2005/06/07
SOUNDING_DATUM_TYPE NEARLY_LOWEST_LOW_WATER A level approximating the lowest water level observed at a <LOCATION>, usually equivalent to <<<INDIAN_SPRING_LOW_WATER>>>; nearly lowest low water. 42 IR [S57A, Attribute, VERDAT:11] [FACC, Annex B, VDC:95]
STD
2005/06/07
SOUNDING_DATUM_TYPE IGLD_1985 A vertical reference system with its zero based on the mean water level at Rimouski/Pointe-au-Père, Québec, over the period 1970 to 1988; International Great Lakes Datum 1985. 15 PR [S57A, Attribute, VERDAT:25]  
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]

Group membership:

In addition to the status and date information for each entry, a colour coding scheme highlights the database holding to which an entry belongs. The following highlight colours are used:

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  • cyan - a deprecated entry that was originally either in the standard or was added to the register, but has since been deprecated

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