WMO WIGOS Metadata Standard Reference
This document describes WMO WIGOS Metadata Standard schema extensions in pygeometa.
Codes
Codes for WMO WIGOS are available at https://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 (https://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 https://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 (https://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 (https://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 https://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 (https://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 (https://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 (https://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 (https://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 (https://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 (https://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 (https://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 (https://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 (https://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 |