| Navn | Type | Lengde | Multiplisitet | 
                
                    
                        |  | CharacterString |  | 1..1 | 
                    
                        |  | CharacterString |  | 1..1 | 
                    
                        |  | CharacterString |  | 1..1 | 
        
     
    
        
            
                
                    | Name | Type | English | Description | 
            
                
                    | order | CharacterString |  | Number (or code) expressing the degree of branching or dividing in a stream or drainage basin system.
-- Description --
SOURCE [Based on UNESCO/WMO International Glossary of Hydrology]. | 
                
                    | orderScheme | CharacterString |  | A description of the concept for ordering.
-- Description --
EXAMPLE Strahler, Horton, Pfaffstetter etc. | 
                
                    | scope | CharacterString |  | An indicator of the scope or origin for an order code (including whether it is national, supranational or European).
-- Description --
NOTE In the case of a national hydrographic identifier it may start with a two-letter country code as per ISO 3166-1-Alpha-2. |