WaterML 2.0 is a standard information model for the representation of water observations data, with the intent of allowing the exchange of such data sets across information systems. Through the use of existing OGC standards, it aims at being an interoperable exchange format that may be re-used to address a range of exchange requirements, some of which are described later in this document.

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OGC adopts WaterML2.0 Part 2 - Ratings, Gaugings and Sections Standard  2015-05-11 

OGC seeks public comment on the OGC WaterML2.0: part 2 - Ratings, Gaugings and Sections Standard  2015-04-09 

OGC approves WaterML 2.0 Water Quality Best Practice  2015-01-13 

The OGC Seeks Participants in a WaterML 2.0 Ratings, Gaugings and Cross-Sections Interoperability Experiment  2013-11-12 

The OGC requests comment on OGC WaterML 2.0 – Part 2: Ratings, Gaugings and Sections Discussion Paper  2013-07-02 

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