Inspire revision 4711
Gyldig
-- Name --
Vertical reference value
Values indicating the reference level of the vertical extent.
| Navn |
Beskrivelse |
Kodeverdi |
| groundLevel |
|
groundLevel |
| lowestAstronomicalTide |
|
lowestAstronomicalTide |
| meanSeaLevel |
|
meanSeaLevel |
| seafloor |
|
seafloor |
| Verdi |
Navn |
Beskrivelse |
|
groundLevel |
|
|
lowestAstronomicalTide |
|
|
meanSeaLevel |
|
|
seafloor |
|
| Name |
Description |
Code value |
| groundLevel |
The Earth’s surface
|
|
| lowestAstronomicalTide |
The lowest tide level that can be predicted to occur under average meteorological conditions and under any combination of astronomical conditions.
|
|
| meanSeaLevel |
The average height of the sea at a tide station measured from a fixed predetermined reference level.
-- Description --
Ordnance Datum, often used as a reference point for defining vertical heights, uses the mean Sea Level as its reference point and therefore is also included within this value.
|
|
| seafloor |
The bottom of a sea or ocean.
|
|