https://external.ogc.org/twiki_public/bin/view/WaterML The WaterML web of OGC Public Wiki. Best Practices, Examples and User contributed Documentation for OGC WaterML en-us Copyright 2026 by contributing authors Wiki Administrator [webmaster@opengeospatial.org] The contributing authors of OGC Public Wiki OGC Public Wiki https://external.ogc.org/twiki_public/bin/view/WaterML https://external.ogc.org/twiki_public/pub/Main/SitePreferences/3D_Horizontal_Lockup-118x60.png https://external.ogc.org/twiki_public/bin/view/WaterML/OrgCUAHSI (last changed by RafaelSalero) 2018-02-14T10:01:38Z RafaelSalero https://external.ogc.org/twiki_public/bin/view/WaterML/ValidatingWaterML Validating WaterML 2.0 The WaterML 2 specification includes an XML schema and a schematron which is used to validate files. OGC official repository for WaterML 2.... (last changed by DavidArctur) 2016-03-04T02:41:27Z DavidArctur https://external.ogc.org/twiki_public/bin/view/WaterML/WaterML2GettingStarted WaterML 2.0 Getting Started WaterML 2 has a basic hierarchy, that covers the location, method/procedure, data values for in situ timeseries. Items you need to k... (last changed by DavidArctur) 2016-03-04T02:37:12Z DavidArctur https://external.ogc.org/twiki_public/bin/view/WaterML/WebHome Welcome to the OGC WaterML2.0 community wiki Best Practices, examples and user contributed documentation This site captures examples and best practices relate... (last changed by DavidArctur) 2016-03-04T02:34:33Z DavidArctur https://external.ogc.org/twiki_public/bin/view/WaterML/BaseTimeandSpacing These examples are equally spaced values in which the client must calculate the time for each value. In case 1: measurement timeseries min daily discharge monthly... (last changed by PeterTaylor) 2012-07-11T05:09:26Z PeterTaylor https://external.ogc.org/twiki_public/bin/view/WaterML/VocabularyReferences WaterML2 requires the use of vocabularies and references in order to exchange information. Vocabularies Requirements: identifier that is resolvable (reference WMO... (last changed by DavidValentine) 2012-06-26T15:48:06Z DavidValentine https://external.ogc.org/twiki_public/bin/view/WaterML/FeatureOfInterest Best Practice: WaterML 2 defines a single Sampling Feature, a monitoring point. Ideally, this is related to a SampledFeature. Future Hydrologic Domain Working Gro... (last changed by DavidValentine) 2012-06-26T15:10:45Z DavidValentine https://external.ogc.org/twiki_public/bin/view/WaterML/ExamplesInSourceControl We anticipate that examples will be avilable from a public source control (subversion, git, mercurial). This will allow for offline testing and development of cli... (last changed by DavidValentine) 2012-06-26T14:25:25Z DavidValentine https://external.ogc.org/twiki_public/bin/view/WaterML/ServicesToAccessWaterML2 TODO: * RestAccess * OgcSensorObservationService Discussions from the HDWG * http://external.opengis.org/twiki_public/HydrologyDWG/SOSUsageAndServerTypeDis... (last changed by DavidValentine) 2012-06-26T14:22:01Z DavidValentine https://external.ogc.org/twiki_public/bin/view/WaterML/MultipleObservations Multiple Observations with different observered properties can be returned (multiple locaitons, too). CUAHSI Example. MultipleObservations.xml this is an example ... (last changed by DavidValentine) 2012-06-26T12:41:45Z DavidValentine https://external.ogc.org/twiki_public/bin/view/WaterML/MultipleProcessingLevels In this example, multiple processing levels are found in the timeseries Source: MultipleProcessingLevels.xml Local Dictionary: quality ... (last changed by DavidValentine) 2012-06-26T11:49:30Z DavidValentine https://external.ogc.org/twiki_public/bin/view/WaterML/SosResponse In a SOS response, the collection metadata is in an extentsion and the OM_Observation are sos:ObservationData Sample File: sos_response_example.xml ... (last changed by DavidValentine) 2012-06-26T11:42:07Z DavidValentine https://external.ogc.org/twiki_public/bin/view/WaterML/OffsetOnTVP Offset:The offset is contained in a qualifier, as a SWE quantity. This qualifier could also be aA local dictionary contains a a definition of the offset. This off... (last changed by DavidValentine) 2012-06-26T11:33:17Z DavidValentine https://external.ogc.org/twiki_public/bin/view/WaterML/ExampleFull * UseCases * BaseTimeandSpacing * OffsetOnTVP * AnalyticalReference * Detailed * MultipleObservations * MultipleProcessingLevels ... (last changed by DavidValentine) 2012-06-26T11:27:24Z DavidValentine https://external.ogc.org/twiki_public/bin/view/WaterML/AnalyticalReference Analytical Examples A related observation includes a link to a reference to an analytical information. Sample File: AnalyticalSamples.xml ... (last changed by DavidValentine) 2012-06-26T11:24:05Z DavidValentine https://external.ogc.org/twiki_public/bin/view/WaterML/ExampleMinimal Examples: * WaterML2 Collection * measurement collection_minimal.xml * measurement collection.xml * OM_Observation * measurement mininal.xml... (last changed by DavidValentine) 2012-06-26T11:08:35Z DavidValentine