# Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services, Division 8.5.2.1: Hydro Order Code (HydroOrderCode)

Extent: E+W+S+N.I.

A hydrologically meaningful ‘order code’ for ordering hierarchies of watercourses and drainage basins.
Attributes of the data type HydroOrderCode
Attribute
Definition
Type
Voidability
order
Number (or code) expressing the degree of branching or dividing in a stream or drainage basin system.
CharacterString
orderScheme
A description of the concept for ordering.
CharacterString
scope
An indicator of the scope or origin for an order code (including whether it is national, supranational or European).
CharacterString

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Source: https://www.legislation.gov.uk/eur/2010/1089/annex/II/division/8/division/8.5/division/8.5.2/division/8.5.2.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2010-1089/annex-II/division-8/division-8.5/division-8.5.2/division-8.5.2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.