ISO TR 9210:2017 pdf free.Hydrometry一Measurement in meandering river and in streams with unstable boundaries. This document provides guidelines for discharge measurements in meandering and braided rivers, and from bridges, following the provisions of ISO 748. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 772. Hydrometry — Vocabulary and symbols 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 772 and the following apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — ISO Online browsing platform: available at http://www.iso.org/obp — I EC Electroped Ia: available at http://www.electropedia.org/ 3.1 alluvial river river, which flows through alluvium, formed from its own deposits Note I to entry: The sediment carried by an alluvial river, except for the wash load, is similar to that in the bed. 3.2 braided river river characterized by a wide and shallow open channel, in which flow passes through a number of…