EPSG:1091

Mean Low Water

Attributes

Data source: EPSG

Information source: IHO Dictionary, S-32, 5th Edition, 3147.

Revision date: 2022-11-29

Scope: Hydrography and nautical charting.

Remarks: The average height of all low waters over a 19-year period.

Area of use: World.

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WGS84 bounds:
179.9 -85.0
-179.9 85.0

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Definition: OGC Well Known Text

VERT_DATUM["Mean Low Water",2005,
    AUTHORITY["EPSG","1091"]]

Definition: OGC Well Known Text 2 (2019)

VDATUM["Mean Low Water",
    ID["EPSG",1091]]

Definition: ESRI Well Known Text

VDATUM["Mean_Low_Water"]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalReferenceFrame",
    "name": "Mean Low Water",
    "scope": "Hydrography and nautical charting.",
    "area": "World.",
    "bbox": {
        "south_latitude": -90,
        "west_longitude": -180,
        "north_latitude": 90,
        "east_longitude": 180
    },
    "id": {
        "authority": "EPSG",
        "code": 1091
    }
}

Definition: GeoServer

1091-datum=VERT_DATUM["Mean Low Water",2005,AUTHORITY["EPSG","1091"]]