EPSG:1458

Greenland Mean Sea Level

Attributes

Data source: EPSG

Information source: Agency for Data Supply and Infrastructure; https://www.sdfi.dk

Revision date: 2026-04-21

Scope: Hydrography and nautical charting.

Remarks: MSL as defined through any GLMSL hydroid model without distinction.

Area of use: Greenland - offshore.

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WGS84 bounds:
7.99 56.38
-75.0 87.03

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Definition: OGC Well Known Text

VERT_DATUM["Greenland Mean Sea Level ",2005,
    AUTHORITY["EPSG","1458"]]

Definition: OGC Well Known Text 2 (2019)

ENSEMBLE["Greenland Mean Sea Level ",
    MEMBER["Greenland Mean Sea Level (2023)",
        ID["EPSG",1387]],
    MEMBER["Greenland Mean Sea Level (2025)",
        ID["EPSG",1456]],
    ENSEMBLEACCURACY[0.5],
    ID["EPSG",1458]]

Definition: ESRI Well Known Text

VDATUM["Greenland_Mean_Sea_Level"]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "DatumEnsemble",
    "name": "Greenland Mean Sea Level ",
    "members": [
        {
            "name": "Greenland Mean Sea Level (2023)",
            "id": {
                "authority": "EPSG",
                "code": 1387
            }
        },
        {
            "name": "Greenland Mean Sea Level (2025)",
            "id": {
                "authority": "EPSG",
                "code": 1456
            }
        }
    ],
    "accuracy": "0.5",
    "id": {
        "authority": "EPSG",
        "code": 1458
    }
}

Definition: GeoServer

1458-datum=VERT_DATUM["Greenland Mean Sea Level ",2005,AUTHORITY["EPSG","1458"]]