WMO WIGOS Metadata Standard Reference
This documentation focuses on the WMO WIGOS Metadata Standard based schema enhancements in pygeometa.
pygeometa's MCF model for WIGOS Metadata inherits as well as extends the core MCF constructs.
Codes
Codes for WMO WIGOS are available at http://codes.wmo.int/wmdr
Sections
metadata
See MCF reference
contact
See MCF reference. WMO WIGOS MCF add the contact type facility to
attach contact information to a facility. The pointOfContact MCF contact is attached
to the wmdr:Header element.
identification
See MCF reference
facility
The facility object consists of 1..n keys. Key names are up to the user
with key objects having the model below.
| Property Name | Mandatory/Optional | Description | Example | Reference |
|---|---|---|---|---|
| identifier | Mandatory | WMO WIGOS identifier | 0-20008-0-JFJ | WIGOS Metadata Representation, Section 8.6.4 |
| name | Mandatory | WIGOS Metadata Representation, Section 4.3 | ||
| type | Mandatory | The type of the observing facility from the Station/platform type codelist (http://codes.wmo.int/wmdr/_FacilityType) | landFixed | WIGOS Metadata Representation, Section 4.3.2 |
| geopositioning_method | Optional | Element describes the geospatial reference system used for the specified geolocation (codelist http://codes.wmo.int/wmdr/_GeopositioningMethod) | gps | WIGOS Metadata Representation, Section 4.2.2 |
| url | Optional | An online resource containing additional information about the facility or equipment | https://example.org/station/123 | WIGOS Metadata Representation, Section 4.2.2 |
| date_established | Mandatory | Date at which the observingFacility was established. Normally considered to be the date the first observations were made | 2011-11-11T11:11:11Z | WIGOS Metadata Representation, Section 4.3.2 |
| wmo_region | Mandatory | The WMO region the observing facility is located in, from the WMORegionType codelist (http://codes.wmo.int/wmdr/_WMORegion) | northCentralAmericaCaribbean | WIGOS Metadata Representation, Section 4.3.2 |
territory
The territory object is a child of the facility object and
allows for specifying 1..n child objects to model changing territory names
over time. At least one child object is required.
| Property Name | Mandatory/Optional | Description | Example | Reference |
|---|---|---|---|---|
| name | Mandatory | The territory the observing facility is located in, from the TerritoryType codelist (http://codes.wmo.int/wmdr/_TerritoryName) | CAN |
WIGOS Metadata Representation, Section 4.3.2 |
| valid_period | Optional | Specifies at least the begin date of the indicated territoryName. If omitted, the dateEstablished of the facility will be assumed | begin: 2011-11-11, end: now |
WIGOS Metadata Representation, Section 4.3.2 |
spatiotemporal
The spatiotemporal object is a child of the facility object and
allows for specifying 1..n child objects to model a moving location
over time. At least one child object is required.
| Property Name | Mandatory/Optional | Description | Example | Reference |
|---|---|---|---|---|
| timeperiod | Mandatory | Specifies at least the begin date accompanying the location | begin: 2011-11-11, end: now |
WIGOS Metadata Representation, Section 7.9 |
| location | Mandatory. The location property includes a crs property (EPSG code), and point property (x,y,z) |
Representative or conventional geospatial location of observing facility, the reference location. This will always be a point location, but this location can change with time. | crs: 4326, point: -75,45,400, end: now |
WIGOS Metadata Representation, Section 7.9 |
program_affiliation
The program_affiliation object is a child of the facility object and
allows for specifying 1..n child objects to model program affiliations.
| Property Name | Mandatory/Optional | Description | Example | Reference |
|---|---|---|---|---|
| program | Mandatory | Program Affiliation, see http://codes.wmo.int/wmdr/_ProgramAffiliation | GOS |
WIGOS Metadata Representation, Section 4.3.2 |
reporting_status
The reporting_status object is a child of the program_affiliation object and
allows for specifying 1..n child objects to model program affiliations reporting status
over time.
| Property Name | Mandatory/Optional | Description | Example | Reference |
|---|---|---|---|---|
| status | Mandatory | Declared reporting status of the observing facility from the ReportingStatusType codelist (http://codes.wmo.int/wmdr/_ReportingStatus) | operational |
|
| valid_period | Optional | Specifies at least the begin date of the indicated reportingStatus. | begin: 2011-11-11, end: now |
climate_zone
The climate_zone object is a child of the facility object and
allows for specifying 0..n child objects to model changing climate zones over time.
| Property Name | Mandatory/Optional | Description | Example | Reference |
|---|---|---|---|---|
| name | Mandatory | Climate zone of the observing facility, from the ClimateZone codelist (http://codes.wmo.int/wmdr/_ClimateZone) | snowFullyHumidCoolSummer |
WIGOS Metadata Representation, Section 4.3.2 |
| valid_period | Optional | Specifies at least the begin date of the indicated climate zone. If omitted, the dateEstablished of the facility will be assumed | begin: 2011-11-11, end: now |
WIGOS Metadata Representation, Section 4.3.2 |
surface_cover
The surface_cover object is a child of the facility object and
allows for specifying 0..n child objects to model changing surface covers over time.
| Property Name | Mandatory/Optional | Description | Example | Reference |
|---|---|---|---|---|
| name | Mandatory | Predominant surface cover, from the given surface cover classification scheme and the SurfaceCover codelist (http://codes.wmo.int/wmdr/_SurfaceCover) | rainfedCroplands |
WIGOS Metadata Representation, Section 4.3.2 |
| surface_cover_classification | Mandatory | Surface cover classification scheme, from the SurfaceCoverClassification codelist (http://codes.wmo.int/wmdr/_SurfaceCoverClassification) | globCover2009 |
WIGOS Metadata Representation, Section 4.3.2 |
| valid_period | Optional | Specifies at least the begin date. If omitted, the dateEstablished of the facility will be assumed | begin: 2011-11-11, end: now |
WIGOS Metadata Representation, Section 4.3.2 |
surface_roughness
The surface_roughness object is a child of the facility object and
allows for specifying 0..n child objects.
| Property Name | Mandatory/Optional | Description | Example | Reference |
|---|---|---|---|---|
| name | Mandatory | Surface roughness of surrounding of the observing facility, from the SurfaceRoughness codelist (http://codes.wmo.int/wmdr/_SurfaceRoughness) | rough |
WIGOS Metadata Representation, Section 4.3.2 |
| valid_period | Optional | Specifies at least the begin date of the indicated surface roughness. If omitted, the dateEstablished of the facility will be assumed | begin: 2011-11-11, end: now |
WIGOS Metadata Representation, Section 4.3.2 |
topography_bathymetry
The topography_bathymetry object is a child of the facility object and
allows for specifying 0..n child objects to model topography or bathymetry descriptions over time.
| Property Name | Mandatory/Optional | Description | Example | Reference |
|---|---|---|---|---|
| local_topography | Optional | Local topography of the observing facility from the LocalTopography codelist (http://codes.wmo.int/wmdr/_LocalTopography) | flat |
WIGOS Metadata Representation, Section 4.3.2 |
| relative_elevation | Optional | Relative elevation of the observing facility compared to its surrounding, from the RelativeElevation codelist (http://codes.wmo.int/wmdr/_RelativeElevation) | inapplicable |
WIGOS Metadata Representation, Section 4.3.2 |
| topographic_context | Optional | Topographic context of the observing facility, from the TopographicContext codelist (http://codes.wmo.int/wmdr/_TopographicContext) | plains |
WIGOS Metadata Representation, Section 4.3.2 |
| altitude_or_depth | Optional | Altitude or depth of observing facility, from the AltitudeOrDepth codelist (http://codes.wmo.int/wmdr/_AltitudeOrDepth) | middleAltitude |
WIGOS Metadata Representation, Section 4.3.2 |
| valid_period | Optional | Specifies at least the begin date. If omitted, the dateEstablished of the facility will be assumed | begin: 2011-11-11, end: now |
WIGOS Metadata Representation, Section 4.3.2 |
observations
The observations object is a child of the facility object and
allows for specifying 0..n child objects to model observations provided by a facility.
| Property Name | Mandatory/Optional | Description | Example | Reference |
|---|---|---|---|---|
| name | mandatory | Freeform name of observed property | Total column ozone |
WIGOS Metadata Representation, Section 4.3.2 |
| timeperiod | Optional | The time period over which the property is observed. | begin: 2011-11-11, end: now |
WIGOS Metadata Representation, Section 6.2.5 |
| url | mandatory | The online resource of the final result (output) of the observation | https://example.org/data/atmos/spectral/total-column-ozone/111 | WIGOS Metadata Representation, Section 6.2.5 |
| observedproperty | Mandatory | The property type being observed (ObservingMethodAtmosphere, ObservingMethodTerrestrial, ObservedVariableAtmosphere, ObservedVariableEarth, ObservedVariableOcean, ObservedVariableOuterSpace, ObservedVariableTerrestrial) and name (see WMO code lists) relevant to the type |
type: ObservingMethodAtmosphere, name: 263 |