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Feature Type 383

Information Type 30

Attribute Type 760

Complex Type 117

Enumeration Value 2431

Codelist Value 453

Feature Association 0

Information Association 0

Role 14

[Listed Value] Dictionary Details

Domain

IHO Hydro

Name

Low Water

CamelCase

lowWater

Item Identifier

1012

To conform with S-100 Edition 4.0.0, this unique identifier equates to the sourceIdentifier attribute in feature Catalogues.

Definition

The lowest level reached at a place by the water surface in one oscillation.

Data type

Enumerated value

Associated Attribute

Attribute type	Name	Attribute type	Name
Enumerated type	Reference Tide	Enumerated type	Vertical Datum

Reference

https://portal.iho.int/iho-ohi/S32/engView.php?page=2&quick_filter=low+water+(L&quick_filter_operator=Equals

Reference Source

Hydrographic Dictionary, Part I Volume I, English

Similarity to Source

Identical : The style of the definition has been changed to match the style and structure of other specifications in the register that has imported the specification.

Remarks

Used mostly in harbour and river engineering. Used in inland (non-tidal) waters. It is generally defined as a level which the daily mean water level would fall below less than 5% of the time and by no more than 0.2 metres during the navigation season. A single level surface is usually chosen as the low water datum for a whole lake. On a river, low water datum is a sloping surface which approximates the river surface at a low state.

INT1

Management Details

Proposal Type	Addition	Submitting Org	IHO Secretariat
Successor	--	Date Proposed	2020-04-20
Predecessor	--	Date Accepted	2020-04-20
Proposed Change	Add new enumerate value.
Justification	Initial population of Data Dictionary Register.

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Data Dictionary Register