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1 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 1 st, Task Team on WIGOS MetaData (TT-WMD) WMO Headquarters.

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Presentation on theme: "1 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 1 st, Task Team on WIGOS MetaData (TT-WMD) WMO Headquarters."— Presentation transcript:

1 1 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March st, Task Team on WIGOS MetaData (TT-WMD) WMO Headquarters in Geneva, Switzerland from 11 to 15 March 2012 REQUIREMENTS FOR OBSERVATIONAL METADATA from the perspective of the Commission for Hydrology – CHy submitted by the Global Runoff Data Centre (Irina Dornblut, Ulrich Looser)

2 2 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Information about the dataset: –identificationInfo: citation, abstract, language, topicCategory –extent: bounding box/polygon, vertical extent, temporal extent –resourceConstraints: useLimitations, access-/useConstraints –descriptiveKeywords: keyword, type, thesaurusName as defined within the WMO Core Metadata 1.3 (July 2012) Additional information is required with respect to time series –identify time series (representationInfo) –describe time series as temporal coverages (WML2) –identify time series as result of observation (contentInfo) –describe hydrologic variable, monitoring point, observation process (observation details) WIS Discovery Metadata provide

3 3 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 WIGOS Discovery Metadata provide Details about the observation whose result is the dataset: -hydrologic object under observation -hydrologic variable observed -monitoring station / platform used -instrument / sensor or algorithm applied Assure thematic accuracy of data compiled in the dataset Should use common concepts as far as suitable -sampling-/sampledFeature, observedProperty and procedure (ISO19156) as implemented within WML2.0 Part 1: Time series (OGC10-126r3) -HY_Features concepts (documented in OGC r2, under review)

4 4 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Compilations / collections of hydrologic data each value at a position in time different from that of the others  time series of ordered time-value pairs (concept provided in WaterML2.0 Part1: Time Series) each value at a position in space different from that of the others  coverages of points, lines or polygons (vector data) (concepts provided within ISO 19123:Coverage geometry …)  regular-grid files (raster data), e.g. square-grids (concepts provided within ISO 19123:Coverage geometry …) Hydrologic Datasets

5 5 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 describe real-world properties of a hydrologic object water: physical, chemical, biological properties, … water body: water level, discharge, volume of recharge, … containing unit: conveyance, conductivity, porosity, … result from observation, or its simulation using a sampling feature as proxy: observing station, gauging site, observation well, water sample, etc applying a suitable procedure: sensor, calculation process, rating, etc Hydrologic Datasets

6 6 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 refer to objects which represent units of shared interest wherein hydrologic processes take place, … Unit of study across scientific disciplines and sub-disciplines, addressed in inter-disciplinary programs, inter-program collaboration and cross-domain research projects Unit of management across administrative jurisdictions, addressed by Integrated Water Resources Management Unit of monitoring and reporting crossing political boundaries, addressed in reporting systems, information and data portals Hydrologic Datasets

7 7 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin Hydrologic Datasets –Time-Series Example ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property Series of time-value pairs using a monitoring point on a river and applying a process ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…Variable description::…TVP ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…Variable description::…TVP (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance River feat. HydroFeature representedCatchment:: Basin representedProcess::hy..Procss River feat. HydroFeature representedCatchment:: Basin representedProcess::hy..Procss Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration Result from measurement Measurement Monitoring Point Observation Process Hydrologic Variable: Q Streamflow River Basin representing a basin where streamflow process takes place describe a hydrologic variable of the river

8 8 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Discovery of hydrologic datasets, useCase 1 find time-value pairs … ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property ISO/WMO ISO19156 / OGC10-126r3 (WML2) GRDC Metadata (Draft) ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance River feat. HydroFeature representedCatchment:: Basin representedProcess::hy..Procss River feat. HydroFeature representedCatchment:: Basin representedProcess::hy..Procss Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration … of measured DISCHARGE, Q, characterising the STREAMFLOW in the BASIN OGC11-039r2 (HY_Features) discussion paper Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin

9 9 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Discovery of hydrologic datasets, useCase 2 ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance River feat. HydroFeature representedCatchment::Basin representedProcess::hy..Procss River feat. HydroFeature representedCatchment::Basin representedProcess::hy..Procss Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration … of measured DISCHARGE, Q, characterising the RIVER representing the BASIN ISO/WMO ISO19156 / OGC10-126r3 (WML2) GRDC Metadata (Draft) OGC11-039r2 (HY_Features) discussion paper find time-value pairs … Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin Streamflow

10 10 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Discovery of hydrologic datasets, useCase 3 ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance River feat. HydroFeature representedCatchment:: Basin representedProcess::hydro..Pr River feat. HydroFeature representedCatchment:: Basin representedProcess::hydro..Pr Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration ISO/WMO ISO19156 / OGC10-126r3 (WML2) GRDC Metadata (Draft) OGC11-039r2 (HY_Features) discussion paper … of measured DISCHARGE, Q, characterising the RIVER representing the STREAMFLOW in the BASIN find time-value pairs … Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin

11 11 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Discovery of hydrologic datasets, useCase 4 ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair (WML2)ObservationProcess Instrument, Sensor/ Calculation platform:: MonitoringPoint constrainedProperty::anyVrble (WML2)ObservationProcess Instrument, Sensor/ Calculation platform:: MonitoringPoint constrainedProperty::anyVrble AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance River feat. HydroFeature representedCatchment::Basin representedProcess::hy..Procss River feat. HydroFeature representedCatchment::Basin representedProcess::hy..Procss Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration ISO/WMO ISO19156 / OGC10-126r3 (WML2) GRDC Metadata (Draft) OGC11-039r2 (HY_Features) discussion paper … measured at a STATION using a SENSOR observing Q of the RIVER representing the BASIN find time-value pairs … Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin

12 12 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Discovery of hydrologic datasets, useCase 5 ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair (WML2)ObservationProcess Instrument, Sensor/ Calculation platform:: MonitoringPoint constrainedProperty::anyVaria ble (WML2)ObservationProcess Instrument, Sensor/ Calculation platform:: MonitoringPoint constrainedProperty::anyVaria ble AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance River feat. HydroFeature representedCatchment::Basin representedProcess::hy..Procss River feat. HydroFeature representedCatchment::Basin representedProcess::hy..Procss Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration ISO/WMO ISO19156 / OGC10-126r3 (WML2) OGC11-039r2 (HY_Features) discussion paper GRDC Metadata (Draft) … measured using a SENSOR / CALCULATION observing Q of the RIVER representing the BASIN find time-value pairs … Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin

13 13 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Discovery of hydrologic datasets, useCase 6 ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty :: Any_Property (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty :: Any_Property ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair (WML2)ObservationProcess Instrument, Sensor/ Calculation platform:: MonitoringPoint constrainedProperty::anyVariable (WML2)ObservationProcess Instrument, Sensor/ Calculation platform:: MonitoringPoint constrainedProperty::anyVariable AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance River feat. HydroFeature representedCatchment::Basin representedProcess::hy..Procss River feat. HydroFeature representedCatchment::Basin representedProcess::hy..Procss Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration ISO/WMO ISO19156 / OGC10-126r3 (WML2) GRDC Metadata (Draft) OGC11-039r2 (HY_Features) discussion paper … of Q, constrained by SENSOR / CALCULATION at STATION on the RIVER representing the BASIN find time-value pairs … Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin

14 14 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Discovery of hydrologic datasets, useCase 7 ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance River feat. HydroFeature representedCatchment::Basin representedProcess::hy..Procss River feat. HydroFeature representedCatchment::Basin representedProcess::hy..Procss Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration ISO/WMO ISO19156 / OGC10-126r3 (WML2) GRDC Metadata (Draft) OGC11-039r2 (HY_Features) discussion paper find time-value pairs … … measured at (all) STATION on the RIVER representing the BASIN Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin

15 15 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Discovery of hydrologic datasets, useCase 8 ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata ContentInformation::Coverage Description::RangeDimension (WML2)TimeseriesMetadata (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty:: Any_Property Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair ContentInformation::Coverage Description::AttributeGroup type::PhysicalMeasurement (Observation result) ModelResult (Simulation) groupAttribute:: name::…anyVariable description::…TimeValuePair (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance River feat. HydroFeature representedCatchment::Basin representedProcess::hy..Procss River feat. HydroFeature representedCatchment::Basin representedProcess::hy..Procss Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration SpatialRepresentationInfo:: (applied to Time domain) VectorSpatial::TimeSeries GridSpatial::Duration ISO/WMO ISO19156 / OGC10-126r3 (WML2) GRDC Metadata (Draft) OGC11-039r2 (HY_Features) discussion paper find time-value pairs … … measured using a specific SENSOR / CALCULATION at STATION on the RIVER representing the BASIN

16 16 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Access to hydrologic data, e.g. via SOS (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Monitoring Point sampledFeature::HydroFeature hostedProcedure: …Process (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty ::Any_Property (WML2)Timeseries Observation featureOfInterest:: MonitoringPoint procedure::Observ ationProcess observedProperty ::Any_Property (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable (WML2)ObservationProcess Instrument, Sensor / Calculation platform:: MonitoringPoint constrainedProperty::anyVariable AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance AnyProperty::(hydrologic)Variable characterisedFeature:: HydroFeature characterisedProcess::Hydrolo..Prcss constrainedBy:: anyConstraint Algorithm / Configuration / Location Material / Organism / Substance River feat. HydroFeature representedCatchment:: Basin representedProcess::hy..Procss River feat. HydroFeature representedCatchment:: Basin representedProcess::hy..Procss Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy Catchment / Basin: (reporting region) containingBasin:: Basin containingSystem:: BasinHierarchy TimeSeries (WML2) of TimeValuePairs where observedProperty:Variable (at the) FoI:MonitoringPoint (on the) sampledFeature:River (using) procedure:Instrument TimeSeries (WML2) of TimeValuePairs where observedProperty:Variable (at the) FoI:MonitoringPoint (on the) sampledFeature:River (using) procedure:Instrument sos:getObservation… om:result ISO/WMO ISO19156 / OGC10-126r3 (WML2) GRDC Metadata (Draft) OGC11-039r2 (HY_Features) discussion paper … time-value pairs of Q, observed using a SENSOR / CALCULATION at STATION on the RIVER Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin Hydrologic Process Streamflow Groundwater flow Water use hostingUnit::Basin

17 17 Global Runoff Data Centre (GRDC) at the German Federal Institute of Hydrology (BfG), March 2013 Requirements for WIGOS metadata from the perspective of the Commission for Hydrology, CHy References: GRDC (2012): Hydrologic Information – Metadata: a semantic structure for the description of hydrologic data (GRDC Hydrologic Metadata). Summary prepared for the 14th session of WMO CHy. Koblenz, GRDC (2013): Hydrologic Information – Metadata: a semantic structure for the description of hydrologic data (GRDC Hydrologic Metadata). – in preparation (June 2013). ISO (2012): Geographic information -- Metadata -- Part 1: Fundamentals (ISO/DIS ). Draft ISO (2011): Geographic information -- Observation and Measurements (ISO 19156). International Standards Organisation, Geneva. OGC (2012): OGC Implementation Standard -- OGC® WaterML 2.0: Part 1- Timeseries (OGC r3 ). Open Geospatial Consortium OGC (2012): OGC Discussion Paper -- HY_Features: a Common Hydrologic Feature Model Discussion Paper (OGC r2 ). Open Geospatial Consortium WMO (2012): WMO Core Metadata Profile version Specification. Draft. Geneva, 2012


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