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CLMS attributes to be discussed 2025.07.14
| odata_attributes | data type | to be removed | target STAC extension | STAC Counterpart | collection level | item level | asset level | Notes | OData ICD definition | STAC definition | Example STAC | Example Odata |
| areaOfInterest | StringAttribute | X | region | name | mandatory | optional | na | can be set as a keyword at collection level | CLMS specific | A human-readable name of the relevant region. | global | |
| beginningDateTime | DateTimeOffsetAttribute | STAC core attribute | start_datetime | na | mandatory | na | beginning of the interval that the data is valid. RFC beginning of interval start or end of second? | CLMS specific | The first or start date and time for the resource, in UTC. It is formatted as date-time according to RFC 3339, section 5.6. | 2025-06-21T00:00:00.000000Z | 2025-06-21T00:00:00.000000Z | |
| cellID | IntegerAttribute | ? | grid | code | na | optional | na | New grid variants may need to be added to the extension. | CLMS specific | CLMS specific | 1300000000033 | |
| Checksum | StringAttribute | file | checksum | na | na | mandatory | Represents the known checksums for the product’s physical data, providing a unique value for supporting download integrity check. At least MD5 checksum is |
| mandatory. | Provides a way to specify file checksums (e.g. BLAKE2, MD5, SHA1, SHA2, SHA3). The hashes are self-identifying hashes as described in the Multihash specification and must be encoded as hexadecimal (base 16) string with lowercase letters. | |||||||||||
| collectionName | StringAttribute | X | na | na | na | na | na | can be set as a keyword at collection level | CLMS specific | CLMS specific | TO BE REMOVED | CLMS |
| component | StringAttribute | X | na | na | na | na | na | can be set as a keyword at collection level | CLMS specific | CLMS specific | bio-geophysical | |
| consolidationPeriod | IntegerAttribute | X | na | na | na | na | na | can be set as a keyword at collection level | CLMS specific | CLMS specific | 6 | |
| ContentDate:End | DateTimeOffsetAttribute | STAC core attribute | end_time | na | mandatory | na | nominal end | The last or end date and time for the resource, in UTC. It is formatted as date-time according to RFC 3339, section 5.6. | 2025-06-30T23:59:59.999999Z | 2025-06-30T23:59:59.999999Z | ||
| ContentDate:Start | DateTimeOffsetAttribute | STAC core attribute | start_datetime | na | mandatory | na | nominal start | The first or start date and time for the resource, in UTC. It is formatted as date-time according to RFC 3339, section 5.6. | 2025-06-21T00:00:00.000000Z | 2025-06-21T00:00:00.000000Z | ||
| ContentLength | IntegerAttribute | file | size | na | na | mandatory | Actual size in bytes (B) of |
the downloadable product package | The file size, specified in bytes. | 2751622412 | 2751622412 | |||||||||
| ContentType | StringAttribute | STAC core attribute | type | na | na | mandatory | The Mime type of the product | Media type of the asset. See the common media types in the best practice doc for commonly used asset types. | image/tiff; application=geotiff; profile=cloud-optimized | application/netcdf | ||
| datasetAlias | StringAttribute | X | can be set as a keyword at collection level | CLMS specific | CLMS specific | wl-lakes_global_vector_daily | ||||||
| datasetIdentifier | StringAttribute | STAC core attribute | collection | mandatory | na | na | CLMS specific | The | wl-lakes_global_vector_daily_v2 | wl-lakes_global_vector_daily_v2 | ||
| datasetShortName | StringAttribute | X | can be set as a keyword at collection level | CLMS specific | CLMS specific | lwl | ||||||
| datasetVersion | IntegerAttribute | version | version | mandatory | na | na | it should be included in the collection name | CLMS specific | 2 | |||
| endingDateTime | DateTimeOffsetAttribute | STAC core attribute | end_time | na | mandatory | na | CLMS specific | The last or end date and time for the resource, in UTC. It is formatted as date-time according to RFC 3339, section 5.6. | 2025-06-30T23:59:59.999999Z | 2025-06-30T23:59:59.999999Z | ||
| EvictionDate | DateTimeOffsetAttribute | timestamps | expires | na | mandatory | na | Date when the data file will be removed from the Interface Delivery Point. | 9999-12-31T23:59:59.999999Z | 9999-12-31T23:59:59.999999Z | |||
| fileFormat | StringAttribute | X | it should be included in the collection name | CLMS specific | geojson | |||||||
| gridLabel | StringAttribute | STAC core attribute | gsd | mandatory | na | na | Required for all rasters | minimum nominal grid spacing for a collection | 300 | 300m | ||
| Id | StringAttribute | X | UUID | It is a universally unique identifier (UUID). The Id is a local identifier for the product instance within the Data Access, assigned during the product ingestion. | c46db475-d910-431f-8f36-d12bf3a93e7f | |||||||
| instrumentShortName | StringAttribute | STAC core attribute | instruments | mandatory | mandatory | na | Can be array of strings. | name of the Instrument | VEGETATION | VEGETATION | ||
| metricGridSpacing | IntegerAttribute | STAC core attribute | gsd | mandatory | mandatory | na | CLMS specific | 1000 | 1000 | |||
| missionShortName | StringAttribute | X | na | na | na | na | na | CLMS specific | NOT TO BE USED | SPOT4,SPOT5,PROBAV | ||
| ModificationDate | DateTimeOffsetAttribute | STAC core attribute | updated | na | mandatory | na | modification of metadata in OData/STAC cataloguea and not the modification of data/assets itself | Date when the product metadata was last modified. | 2025-07-02T10:08:46.236018Z | 2025-07-02T10:08:46.236018Z | ||
| Name | StringAttribute | STAC core attribute | id | na | mandatory | na | product name unique within a Collection, | Data file name | c_gls_NDVI300_202506210000_GLOBE_OLCI_V2.0.1_nc | c_gls_NDVI300_202506210000_GLOBE_OLCI_V2.0.1_nc | ||
| nominalDate | DateTimeOffsetAttribute | STAC core attribute | datetime | na | mandatory | na | CLMS specific | 2025-06-21T00:00:00.000000Z | 2025-06-21T00:00:00.000000Z | |||
| Online | StringAttribute | X | na | na | na | na | na | Indication of current online presence. | TRUE | |||
| OriginDate | DateTimeOffsetAttribute | STAC core attribute | created | na | mandatory | na | When generated by the CLMS producer | Date and time of the product at the source (e.g. Publication date time on the PRIP). Time is in UTC | 2025-07-02T09:30:01.282075Z | 2025-07-02T09:30:01.282075Z | ||
| platformAcronym | StringAttribute | STAC core attribute | constellation | mandatory | mandatory | na | CLMS specific | Sentinel-2 or multimission | Sentinel-2 | |||
| platformShortName | StringAttribute | STAC core attribute | platform | mandatory | mandatory | na | name of the Platform | Sentinel-2A or multimission | Senitnel-2A | |||
| processingCenter | StringAttribute | processing | facility | na | mandatory | na | name of the Procesing Centre | VITO | ||||
| productVersion | StringAttribute | processing | version | na | mandatory | na | CLMS specific | v3.0.1 | ||||
| PublicationDate | DateTimeOffsetAttribute | timestamps | published | na | mandatory | na | Publication date and time of the product (time at which the product becomes accessible for retrieval to the client within the DA). | 2025-07-02T10:08:46.236018Z | ||||
| S3Path | StringAttribute | STAC core attribute | href | na | na | mandatory | S3 path in the CDSE repository | /eodata/CLMS/bio-geophysical/vegetation_indices/ndvi_global_300m_10daily_v2/2025/06/21/c_gls_NDVI300_202506210000_GLOBE_OLCI_V2.0.1_nc | ||||
| swiSubParameter | StringAttribute | ? | CLMS specific | CI | ||||||||
| temporalRepeatRate | StringAttribute | X | can be set as a keyword at collection level | CLMS specific | 10daily | |||||||
| vppSeason | StringAttribute | ? | CLMS specific | S2 | ||||||||
| vppSubParameter | StringAttribute | ? | CLMS specific | TPROD | ||||||||
| wlBasinName | StringAttribute | ? | CLMS specific | Mackenzie River | ||||||||
| wlLakeName | StringAttribute | ? | CLMS specific | athabasca | ||||||||
| wlRiverName | StringAttribute | ? | CLMS specific | Ya-lu-cang-bu-jiang |
Sentinel-5P attributes to be discussed on 27.05.2024
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