Spectral measurements collected in the field or lab
Metadata elements for documenting spectral measurements collected in the field or lab.
Source: OGC Abstract Specification Topic 20: Observations, measurements, and samples
| Metadata element | Description | Example | Source |
|---|---|---|---|
| Unique identifier | Unique metadata identifier | 123e4567-e89b-12d3-a456-426614174000 | OGC Abstract Specification Topic 20: Observations, measurements, and samples |
| observedProperty | e.g. canopy or soil reflectance | Rice Canopy spectral reflectance (>200 spectral bands) | OGC Abstract Specification Topic 20 |
| spatialSample | e.g. sample Grid (Elementary Sampling Unit, plots) | The measurements have been collected from 10 Elementary Sampling Units (ESU) (10 ESU in total) and in each ESU, there are 4 plots each of 15*15 m | OGC Abstract Specification Topic 20 |
| location | If location information is provided, the attribute location:Geometry shall be used. | Latitude: 44.88333885<br>Longitude: 11.95780087 | OGC Abstract Specification Topic 20 |
| procedure | Used instrument (observing procedure) | Spectral Evolution spectrometer | OGC Abstract Specification Topic 20 |
| result | Observation: e.g spectral values | Spectral values | OGC Abstract Specification Topic 20 |
| time | When the measurements were carried out | 06/21/2023 | OGC Abstract Specification Topic 20 |
| startTime | Start of the measurements | 17:56.4 | EO4Nutri |
| endTime | End of the measurements | 20:43.0 | EO4Nutri |
| cropGrowthStage | Crop growth stage: vegetative, reproductive or maturity, or pre-harvest | Maturity Phase | EO4Nutri |
| processingStage | Raw spectral measurements or pre-processed | Mean spectral measurements | EO4Nutri |