Improving access to groundwater data using GroundWaterML2 Bruce Simons, CSIRO Land and Water Eloise...
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Transcript of Improving access to groundwater data using GroundWaterML2 Bruce Simons, CSIRO Land and Water Eloise...
![Page 1: Improving access to groundwater data using GroundWaterML2 Bruce Simons, CSIRO Land and Water Eloise Nation, Bureau of Meteorology Peter Dahlhaus, Federation.](https://reader036.fdocuments.net/reader036/viewer/2022062309/5697c0201a28abf838cd1f79/html5/thumbnails/1.jpg)
Improving access to groundwater data using GroundWaterML2
Bruce Simons, CSIRO Land and WaterEloise Nation, Bureau of MeteorologyPeter Dahlhaus, Federation University
Australia
![Page 2: Improving access to groundwater data using GroundWaterML2 Bruce Simons, CSIRO Land and Water Eloise Nation, Bureau of Meteorology Peter Dahlhaus, Federation.](https://reader036.fdocuments.net/reader036/viewer/2022062309/5697c0201a28abf838cd1f79/html5/thumbnails/2.jpg)
OUTLINE
• The groundwater data exchange problem• GroundwaterML: a common data structure for data exchange• Open Geospatial Consortium groundwater interoperability
experiment
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Why data standards?• “Effective management of environmental resources requires
the collection, management and delivery of related data”• Impeded by:
• Availability – collected data are not all readily available and accessible• Distribution – available data is distributed across many agencies • Fragmentation – thematically fragmented• Heterogeneity – similar types of data are diversely structured
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Data Structures
Proprietary Software
Versions of Software
Client
Web Interfaces
GWML2
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AUSTRALIAN GROUNDWATER EXPLORER
Bureau of Meteorology groundwater portal
Australian Groundwater Explorer allows data export – but what format should it support?
![Page 6: Improving access to groundwater data using GroundWaterML2 Bruce Simons, CSIRO Land and Water Eloise Nation, Bureau of Meteorology Peter Dahlhaus, Federation.](https://reader036.fdocuments.net/reader036/viewer/2022062309/5697c0201a28abf838cd1f79/html5/thumbnails/6.jpg)
VISUALISING VICTORIA’S GROUNDWATER
Federation University Australia’s groundwater portal
VVG requires input from multiple data providers
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A COMMON DATA STRUCTUREGroundwater ML
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National Groundwater Information System
Federation University Australia database
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CANADIAN GROUNDWATER INFORMATION NETWORK
Interoperability as a solutionExample from Canada
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Groundwater Information Network (GIN) Collaboration of NRCan and 6 provinces
Started with linked water well databases
PrinciplesDistributed: data stays with owners
Seamless: acts as one virtual database
Multi-access: multiple portals, tools
Standards-based: uses Groundwater ML
Groundwater ML overcame different database structure issues
Interoperability in GIN
B. Brodaric, E.Boisvert
OGC TC Meeting, Boston, June 22, 2009
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Excel
<gsml:lithology> <gsml:ControlledConcept gml:id="gin.cc.2d-2"> <gsml:identifier codeSpace="urn:ietf:rfc:2141">urn:x-ngwd:vocabulary:gin:2d-2"</gsml:identifier> <gsml:name codeSpace="urn:x-ngwd:classifierScheme:GIN:Lithology:2008" xml:lang="fr">Argile</gsml:name> <gsml:name codeSpace="urn:x-ngwd:classifierScheme:GIN:Lithology:2008" xml:lang="eng">Clay</gsml:name> <gml:description>A naturally occurring material composed primarily of fine-grained minerals.
It is generally plastic at appropriate water contents and will harden when dried of fired (Neuendorf et al. 2005)</gml:description> </gsml:lithology><gsml:material> <gsml:UnconsolidatedMaterial> <gsml:consolidationDegree> <gsml:CGI_TermValue> <gsml:value codeSpace="urn:cgi:classifierScheme:BGS:consolidationTerms">UNCONSOLIDATED</gsml:value> </gsml:CGI_TermValue> </gsml:consolidationDegree> <gsml:physicalProperty> <gwml:HydrogeologicDescription> <gwml:hydraulicConductivity> <gsml:CGI_NumericValue> <gsml:qualifier>approximate</gsml:qualifier> <gsml:principalValue uom="y_K_md-1">0.001</gsml:principalValue> </gsml:CGI_NumericValue> </gwml:hydraulicConductivity> </gwml:HydrogeologicDescription> </gsml:physicalProperty> </gsml:UnconsolidatedMaterial> </gsml:material>
<gsml:lithology> <gsml:ControlledConcept gml:id="gin.cc.2d-2"> <gsml:identifier codeSpace="urn:ietf:rfc:2141">urn:x-ngwd:vocabulary:gin:2d-2"</gsml:identifier> <gsml:name codeSpace="urn:x-ngwd:classifierScheme:GIN:Lithology:2008" xml:lang="fr">Argile</gsml:name> <gsml:name codeSpace="urn:x-ngwd:classifierScheme:GIN:Lithology:2008" xml:lang="eng">Clay</gsml:name> <gml:description>A naturally occurring material composed primarily of fine-grained minerals.
It is generally plastic at appropriate water contents and will harden when dried of fired (Neuendorf et al. 2005)</gml:description> </gsml:lithology><gsml:material> <gsml:UnconsolidatedMaterial> <gsml:consolidationDegree> <gsml:CGI_TermValue> <gsml:value codeSpace="urn:cgi:classifierScheme:BGS:consolidationTerms">UNCONSOLIDATED</gsml:value> </gsml:CGI_TermValue> </gsml:consolidationDegree> <gsml:physicalProperty> <gwml:HydrogeologicDescription> <gwml:hydraulicConductivity> <gsml:CGI_NumericValue> <gsml:qualifier>approximate</gsml:qualifier> <gsml:principalValue uom="y_K_md-1">0.001</gsml:principalValue> </gsml:CGI_NumericValue> </gwml:hydraulicConductivity> </gwml:HydrogeologicDescription> </gsml:physicalProperty> </gsml:UnconsolidatedMaterial> </gsml:material>
GWML
Google Earth
NRCan
Groundwater
Program
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OGC GROUNDWATER INTEROPERABILITY EXPERIMENT
AimsUse casesConceptual modelLogical modelXML encodingTesting
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Aims:• Develop an international groundwater information model• Develop a GML application schema, for groundwater data• Harmonize existing models (GWML, INSPIRE)
Developments in soil and groundwater data exchange | Simons
Participants:• GSC-NRCan, USGS, DG-JRC,
BRGM, GSG, GNS, SalzburgUni, CSIRO, BoM, FedUni
GWML2 interoperability experiment
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Five use cases tested
• Commercial – find water wells, estimate cost of water supply well
• Policy – meet EU Water Framework Directive requirements
• Environmental – assess risks to groundwater dependent ecosystems
• Scientific – determine flow of groundwater via modelling software
• Technologic – map GWML2 to existing models
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Conceptual Entities
• Hydrogeologic units, Voids • Fluid bodies, Constituents• Groundwater flow and flow systems• Wells, Springs, Monitoring sites, Borehole
construction• Management areas, Aquifer testing
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GWML2 Logical Model• UML-GML representation
– Extends Observations & Measurements (O&M), GeoSciML (v3.2), Interleaved Coverages (TimeSeries)
«Application Schema»Well
«Application Schema»WellConstruction
«Application Schema»GWML2-Main
«Application Schema»Flow
«Application Schema»Constituent
«Application Schema»AquiferTest
«import»
«import»
«import»
«import»
• 6 GML XML application schema
• Conformance & Requirements classes
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Hydrogeologic units
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Fluid body (the ‘groundwater’)
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Groundwater flow
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Sampling features
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Well construction
![Page 22: Improving access to groundwater data using GroundWaterML2 Bruce Simons, CSIRO Land and Water Eloise Nation, Bureau of Meteorology Peter Dahlhaus, Federation.](https://reader036.fdocuments.net/reader036/viewer/2022062309/5697c0201a28abf838cd1f79/html5/thumbnails/22.jpg)
Australian demonstration WFS
http://external.opengis.org/twiki_public/HydrologyDWG/UseCaseWebServices
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GW_Basin
GW_ConfiningBed GW_AquiferGW_AquiferSystem
GW_HydrogeoUnit
GW_AquiferUnit
GW_FluidBody
GW_HydrogeoVoid
GW_ManagementArea
GW_FluidBodySurface
GW_Divide
GW_Constituent
GW_FlowGW_FlowSystem
GW_InterFlow GW_IntraFlow
GW_Discharge GW_Recharge
GW_WellGW_MonitoringSite GW_Spring
WellConstructionBorehole
GW_AquiferTestScreenFiltrationCasingSealing
ScreenComponentFiltrationComponentCasingComponentSealingComponent
BoreCollar
GWML2-MainWellWellConstructionConstituentFlowAquiferTest
Schema Packaging
GW_GeologyLog
Demonstration services
June 2016March 2016December 2015June 2015 September 2015
OGC GWML2
Standard
Engineering Report
Establish SWG
Draft GWML2 standard
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Conclusions
• BoM, CSIRO and Federation University Australia established services using the draft GroundWaterML2 standard
• The OGC HydroDWG have established a Groundwater SWG to take GWML2 to OGC standard status by June 2016