Transcript Hydrologic Features and Observations

®
The sampled feature of
hydrologic observation
Hydrology Domain Working Group
at the OGC/TC Meeting, Austin, 2012, Mar 19-23
Irina Dornblut, Global Runoff Data Centre of WMO
Rob Atkinson, CSIRO Land and Water
SampledFeature of hydrologic observation
1. Observation relationships (outline)
2. Examples of domain-specific featureOfInterest
3. Identification of hydrologic features (HY_Features)
4. OGC 11-039r2 Discussion paper:
« HY_Features: a Common Hydrologic Feature Model »
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Hydrologic Observation
event, e.g. measurement, where the value of a property
of a particular feature of interest is determined …
FeatureOfInterest:
RIVER
Observation, spec.
MEASUREMENT
Phenomeonon:
LENGTH
AMAZON RIVER
(water body)
HydrologicObservable:
RIVER LENGTH
UoM:
UoM LENGTH
6.700 km
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Hydrologic Observation determines the value of a property
of a particular hydrologic feature of interest …
OBIDOS
(station)
SamplingFeature:
MONITORING STATION
… using a sampling feature,
SampledFeature:
RIVER
MEASUREMENT
DomainFeature:
(entire) RIVER
Phenomenon:
FLOW (V T-1)
AMAZON RIVER
(water body)
UoM:
UoM_FLOW
HydrologicObservable:
RIVER DISCHARGE
180.000 m³/s
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Hydrologic Observation determines the value of a property
of a particular hydrologic feature of interest …
… using a sampling feature,
SamplingFeature:
MONITORING STATION
OBIDOS
(station)
Gauging
SENSOR “abc”
(instrument)
SampledFeature:
RIVER
… applying a procedure,
Procedure:
INSTRUMENT
MEASUREMENT
DomainFeature:
(entire) RIVER
Phenomenon:
FLOW (V T-1)
AMAZON RIVER
(water body)
UoM:
UoM_FLOW
HydrologicObservable:
RIVER DISCHARGE
180.000 m³/s
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Hydrologic Observation determines the value of a property
of a particular hydrologic feature of interest …
… using a sampling feature,
SamplingFeature:
MONITORING STATION
OBIDOS
(station)
Procedure:
INSTRUMENT
SENSOR
(instrument)
SampledFeature:
RIVER
… applying a procedure,
MEASUREMENT
DomainFeature:
BASIN
Representation:
WATER BODY
AMAZON basin
Phenomenon:
FLOW (V T-1)
AMAZON RIVER
(water body)
HydrologicObservable:
FRESHWAtER FLUX
HydrologicObservable:
RIVER DISCHARGE
UoM:
UoM_FLOW
7.000 km³/a
180.000 m³/s
… in place of a property of the „ultimate subject of observation“ (O&M).
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Hydrologic Observation determines the value of a property
of a particular hydrologic feature of interest …
… using a sampling feature,
SamplingFeature:
MONITORING STATION
AIRPORT XYZ
(station)
Procedure:
INSTRUMENT
RAIN GAUGE
(instrument)
SampledFeature:
PRECIPITATION
… applying a procedure,
MEASUREMENT
DomainFeature:
BASIN
RAINFALL
Phenomenon:
FLOW, HEIGHT
COLORADO
basin
Representation:
Water Body
COLORADO RIVER
(accumulating
water body)
HydrologicObservable:
AERIAL PRECIP
HydrologicObservable:
DISCHARGE
mm / km²
UoM:
UoM_FLOW,
UoM_HEIGHT
... m3 s
… in place of a property of the „ultimate subject of observation“ (O&M).
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GFI_Feature (ISO 19159:2011, O&M)
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
1..*
Intention
«FeatureType»
samplingFeature::
SF_SamplingFeature
0..*
+featureOfInterest
1
any feature type associated
with a domain of discourse
«informative»
carries the observed
property
«informative»
GFI_DomainFeature
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SF_SamplingFeature (ISO 19159:2011, O&M)
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
feature intended to
sample some ‚realworld‘ object
«FeatureType»
samplingFeature::
SF_SamplingFeature
0..*
+featureOfInterest
1
1..*
Intention
«informative»
«informative»
GFI_DomainFeature
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GFI_DomainFeature (ISO 19159:2011, O&M)
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
0..*
+featureOfInterest
1
1..*
Intention
«FeatureType»
samplingFeature::
SF_SamplingFeature
«informative»
‚real-world‘ object
whose properties are
under observation
«informative»
GFI_DomainFeature
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Phenomenon (ISO 19159:2011, O&M)
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
1..*
Intention
«FeatureType»
samplingFeature::
SF_SamplingFeature
Phenomenon
+featureOfInterest
+observedProperty
1
ObservableProperty
(under development)
«informative»
«informative»
GFI_DomainFeature
OGC
0..*
properties under
observation
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featureOfInterest – hydrologic examples
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
+featureOfInterest
0..*
+observedProperty
1
1..*
e.g. snow depth
Intention
«FeatureType»
samplingFeature::
Snow gauge
SF_SamplingFeature
«informative»
+observableProperty
«informative»
GFI_DomainFeature
Glacier
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featureOfInterest – hydrologic examples
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
+featureOfInterest
0..*
+observedProperty
1
1..*
e.g. groundwater
table
Intention
«FeatureType»
samplingFeature::
Measuring
SF_SamplingFeature
Observation
Point
Well
«informative»
+observableProperty
«informative»
GFI_DomainFeature
Glacier
OGC
Aquifer
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featureOfInterest – hydrologic examples
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
0..*
+observedProperty
+featureOfInterest
1
1..*
e.g. water level
Intention
«FeatureType»
samplingFeature::
Measuring
SF_SamplingFeature
Extracting
Point
Gauging
Well
Site
«informative»
+observableProperty
«informative»
GFI_DomainFeature
Glacier
OGC
Aquifer
Lake
River
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featureOfInterest – hydrologic examples
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
0..*
+observedProperty
+featureOfInterest
1
1..*
e.g. sediment
discharge
Intention
«FeatureType»
samplingFeature::
Measuring
SF_SamplingFeature
Extracting
Point
Observing
Well
Cross-Section
Post
«informative»
+observableProperty
«informative»
GFI_DomainFeature
Glacier
OGC
Aquifer
Lake
River
Channel
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featureOfInterest – hydrologic examples
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
0..*
+observedProperty
+featureOfInterest
1
1..*
e.g. freshwater flux
Intention
«FeatureType»
samplingFeature::
Measuring
SF_SamplingFeature
Extracting
Point
Observing
Well
Gauging
Post
Hydrometric
Station
Station
OGC
«informative»
+observableProperty
«informative»
GFI_DomainFeature
Glacier
Aquifer
Lake
River
Basin
®
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featureOfInterest – hydrologic examples
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
0..*
+observedProperty
+featureOfInterest
1
1..*
e.g. ecological
potential
Intention
«FeatureType»
samplingFeature::
Measuring
SF_SamplingFeature
Extracting
Point
Observing
Well
Gauging
Post
Hydrometric
Station
Reference
Station
Station
OGC
«informative»
+observableProperty
«informative»
GFI_DomainFeature
Glacier
Aquifer
Lake
River
Basin
Reporting
Region
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featureOfInterest – hydrologic examples
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
0..*
+observedProperty
+featureOfInterest
1
1..*
Observable
Intention
«FeatureType»
samplingFeature::
Measuring
SF_SamplingFeature
Extracting
Point
Observing
Well
Gauging
Post
Hydrometric
Station
Reference
Station
Sampling
Station
Feature
OGC
«informative»
+observableProperty
«informative»
GFI_DomainFeature
Glacier
Aquifer
Lake
River
Basin
ReportingHydrologic
Region
Feature
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Sampling Feature (Hydrology)
OGC® WaterML 2.0: Part 1- Timeseries
• Candidate OGC® standard (OGC 10-126r2)
• Definition of one special type of a spatial
sampling feature, a MonitoringPoint,
• Description of an in-situ point of observation
(e.g. gauging station).
Measuring
Extracting
Point
Observing
Well
Gauging
Post
Hydrometric
Station
Reference
Station
Monitoring
Station
Station
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Sampled Feature (Hydrology)
HY_Features (OGC 11-039r2)
• Semantic relationships of features that are objects of
study and reporting in hydrology,
• Identification of these features independent from scales,
• Link the multiple concepts of the hydrology phenomenon
to the shared unit of study or reporting
Glacier
OGC
Aquifer
Lake
River
Basin
ReportingHydrologic
Region
Feature
®
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Hydrologic Feature Model (HY_Features)
Measuring
Extracting
Point
Observing
Well
Gauging
Post
Hydrometric
Station
Reference
Station
Station
Glacier
Observation: Hydrometric
stations, observing posts, …
Aquifer
……
River
Hydrology phenomenon: waters above, on
and below the land surface, accumulated in
water bodies or aquifers, confined by the
occupied landform, … (real world)
Basin
Reporting
Region
Unit of study / reporting: catchment,
spec. basin (abstract notion)
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Hydrologic Feature Model (HY_Features)
Hydrology
phenomenon
(real world)
Unit of study/reporting
(abstract notion)
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Hydrologic Feature Model (HY_Features)
Waters
• Accumulated in water bodies
and bearing aquifers
• Aggregated in a
hydrographic network
• Confined by the occupied
landforms
• Observed using sampling
features
Represent
• Basin: Physiographic unit
determined by a common
outlet (outfall) into which all
waters flow
• Catchment: Reporting unit,
that may be, or may not be,
hydrologically determined
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Hydrologic Feature Model (HY_Features)
Outfall: topological concept
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Hydrologic Feature Model (HY_Features)
Outfall: logic point
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Hydrologic Feature Model (HY_Features)
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Hydrologic Feature Model (HY_Features)
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Hydrologic Feature Model (HY_Features)
Hydrology phenomenon (real world)
Unit of study/reporting (abstract notion)
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Hydrologic Feature Model (HY_Features)
Hydrology phenomenon (real world)
Unit of study/reporting
(abstract
notion)
Application-specific - Independent
from scales
- Across
sub-disciplines
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Hydrologic Feature Model (HY_Features)
Measuring
Extracting
Point
Observing
Well
Gauging
Post
Hydrometric
Station
Reference
Station
Station
Glacier
Aquifer
……
River
Hydrology phenomenon (real world)
Unit of study/reporting (abstract notion)
Basin
OGC
Reporting
Region
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sampledFeature of hydrologic observation
?
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domainFeature of hydrologic observation
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
0..*
+featureOfInterest
1
1..*
Intention
«FeatureType»
samplingFeature::
SF_SamplingFeature
«informative»
«informative»
GFI_DomainFeature
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domainFeature of hydrologic observation
class Context diagram: GFI_Feature
Name:
Package:
Version:
Author:
Context diagram: GFI_Feature
«requirementsClass» General Feature Instance
1.0
Simon Cox
«metaclass»
General Feature Model::
GF_FeatureType
«FeatureType»
+relatedObservation
0..*
observ ation::
0..*
OM_Observ ation
«instanceOf»
+propertyValueProvider
Domain
«FeatureTyp...
GFI_Feature
+sampledFeature
0..*
+featureOfInterest
1
1..*
Intention
«FeatureType»
samplingFeature::
SF_SamplingFeature
«informative»
«informative»
GFI_DomainFeature
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sampledFeature of hydrologic observation
?
ISO19159:O&M
ISO19156(2011):O&M
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Domain-specific instance of GF_FeatureType
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required component of Hydrologic Metadata
Hydrologic
Metadata, e.g. of
GTN-H / WIGOS
GRDC
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Discussion paper OGC 11-039r2
HY_Features: a Common Hydrologic Feature Model
1
2
3
4
5
Scope
Conformance
Normative references
Terms and definitions
Conventions
6
7
8
Requirements for a Common Hydrologic Feature Model
Common Hydrologic Feature Model - HY_Features
Further work
9
References
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HY_Features - future work
Alignment of concepts
–
–
–
–
HY_RiverPositioningSystem and ISO19111, ISO19133
HY_HydrometicNetwork and WaterML2
HY_SubsurfaceWater and GroundwaterML
HY_HydroObservable and Phenomenon (O&M)
Integration in the OGC Feature landscape
Integration in the WIGOS Metadata concept
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HY_Features – where available ?
– Discussion Paper (OGC 11-039r2, 24 Feb 2012)
– HTML documentation (OGC 12-021, 23 Feb 2012)
– XML schema definitions at SVN repository at SDSC
(https://svn.sdsc.edu/repo/WaterML/GRDC/trunk)
– XML schema definitions at OGC schema repository
(http://schemas.opengis.net/hydrology/) – asap
–
Atkinson, R., I. Dornblut and D. Smith, An international
standard conceptual model for sharing references to
hydrologic features. Journal of Hydrology, 2012, 424425(2012): p.24-36
Thank you for attention!
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39
Discussion paper OGC 11-039r2
HY_Features: a Common Hydrologic Feature Model
1
2
3
4
5
Scope
Conformance
Normative references
Terms and definitions
Conventions
6
7
8
Requirements for a Common Hydrologic Feature Model
Common Hydrologic Feature Model - HY_Features
Further work
9
References
OGC
®
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40