Property talk:P2148

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distance from river mouth
qualifier for P974 statements on streams

Description	See w:river mile
Represents	river mile (Q3434106), river mouth (Q1233637)
Data type	Quantity
Domain	streams (note: this should be moved to the property statements)
Allowed values	number from 0 to length of stream (note: this should be moved to the property statements)
Allowed units	kilometre (Q828224) or mile (Q253276)
Example	Fishing Creek (Q5455008) has claim tributary (P974) --> Stony Brook (Q17140282) --> distance from river mouth (P2148) --> 8.1 [unit:miles/KMs] (this is a qualifier) (note: this information should be moved to a property statement; use property Wikidata property example (P1855), Wikidata property example for properties (P2271), Wikidata property example for lexemes (P5192), Wikidata property example for forms (P5193) or Wikidata property example for senses (P5977))
Source	According to this template: (This for Pennsylvania streams. Warning: it's a huge PDF file) According to statements in the property: http://www.lycoming.edu/cwi/pdfs/paGazetterOfStreams.pdf When possible, data should only be stored as statements
See also	tributary (P974), linear reference (P6710), located on linear feature (P795)
Lists	Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Minimum and maximum Items with highest numeric value Items with lowest numeric value Database reports/Constraint violations/P2148
Proposal discussion	Proposal discussion
Current uses	Total 4,106 Main statement 2,553 62.2% of uses Qualifier 1,552 37.8% of uses Reference 1 <0.1% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Scope is as qualifier (Q54828449), as main value (Q54828448): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2148#Scope, SPARQL

Units: “kilometre (Q828224), mile (Q253276)”: value unit must be one of listed. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2148#Units

This property is being used by: hy:Կաղապար:Ձեռագիր մատյան Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Qualifier or main property?

For items about features on rivers (e.g. bridges, locks, dams, etc.) is there any reason why this property should not store their distance from the mouth of the river? I have updated the property constraint to allow its use as a main property. MSGJ (talk) 16:00, 7 January 2021 (UTC)

Value for Missouri River (Q5419) as tributary (P974) for Mississippi River (Q1497)

It would be interesting to have the value at Q1497#Q1497$6d36cdaf-4c4e-b4a3-0474-1481b6fe77d3, but it seems Wikipedia doesn't include it explicity ;) --- Jura 08:56, 12 May 2021 (UTC)