| Kode | Initialverdi | Beskrivelse | 
                
                    
                        | groundLevel |  |  | 
                    
                        | lowestAstronomicalTide |  |  | 
                    
                        | meanSeaLevel |  |  | 
                    
                        | seafloor |  |  | 
        
     
    
        
                
                    
                        | Verdi | Navn | Beskrivelse | 
                
                    
                        |  | groundLevel |  | 
                    
                        |  | lowestAstronomicalTide |  | 
                    
                        |  | meanSeaLevel |  | 
                    
                        |  | seafloor |  | 
        
     
    
        
            
                
                    | Name | Type | English | Description | 
            
                
                    | 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. | 
        
     
    
        
        
        
        
            
                
                    | Navn | Innhold | 
            
                
                    | asDictionary | true |