Model for Sensors and Satellite images description
| Metadata element | Description | Example | Source |
|---|---|---|---|
| ID_Sensor | Unique metadata identifier: e.g. UUID (Universally Unique Identifier) | 123e4567-e89b-12d3-a456-426614174000 | OGC Abstract Specification Topic 20, SensorML, EO Product Metadata Profile |
| platform | The satellite or airborne platform from which the hyperspectral data was acquired | ENMAP | SensorML, EO Product Metadata Profile |
| instrument | The sensor or instrument used to capture the hyperspectral images | PRISMA Hyperspectral Sensor | SensorML, EO Product Metadata Profile |
| # Bands | The number of spectral bands in the hyperspectral images | 242 | SensorML, EO Product Metadata Profile |
| Spatial Resolution | The spatial resolution of the hyperspectral images | 30 meters | SensorML, EO Product Metadata Profile |
| Quantization (bits) | The bit depth for each pixel in the hyperspectral images | 12 bits | SensorML, EO Product Metadata Profile |
| Spectral Range | The spectral range of the hyperspectral images | 400-2500 nm | SensorML, EO Product Metadata Profile |
| License | Any constraints on the access or use of the hyperspectral data | Open access | OGC Metadata Standard |
| Provider | The organization or entity providing the hyperspectral data | German Aerospace Center (DLR) | OGC Metadata Standard |
| Data type (int, float, bytes) | The data type of the pixel values in the hyperspectral images | float | SensorML, EO Product Metadata Profile |
| Value range | The range of possible values for the pixel data | 0.0 to 1.0 | SensorML, EO Product Metadata Profile |
| Online source | The online source or URL where the hyperspectral data can be accessed | [ENMAP Data Portal](https://www.enmap.org/data) | OGC Metadata Standard |
- EnMAP (abstract describing + table):
| Sensors | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ID_Sensor | Platform | Instrument | # Bands | Spatial Resolution (meters) | Quantization (bits) | Spectral Range | License | Provider | Data type (int, float, bytes) | Value range | Online source |
| 01 | EnMAP | 246 | 30 | ||||||||
| 02 | Sentinel-2 | MSI | 13 | 10 | |||||||
Images description
| Metadata element | Description | Example | Source |
|---|---|---|---|
| ID_image | Unique identifier for the image | IMG123456 | OGC Metadata Standard |
| ID_Sensor | Identifier for the sensor that captured the image | 123e4567-e89b-12d3-a456-426614174000 | SensorML, EO Product Metadata Profile |
| Study area | The geographical area covered by the image | Amazon Rainforest | OGC Abstract Specification Topic 20 |
| FTP folder | The FTP folder where the image file is stored | EO4Nutri/Italy/EnMAP/ | EO4Nutri |
| File name | The name of the image file | dims_op_oc_oc-en_700516174_1.tar.gz | EO4Nutri |
| BBox (top-left, bottom-right) | The bounding box coordinates for the image (top-left, bottom-right) | (10.0, -20.0), (15.0, -25.0) | OGC Metadata Standard |
| Acquisition Date/Time | The date and time when the image was acquired | 2023-05-15T10:15:30Z | SensorML, EO Product Metadata Profile |
| Level Preprocessing | The level of preprocessing applied to the image | Level 2A | OGC Quality Assurance Framework for Earth Observation (QA4EO) |
| Spatial Reference (SRID) | The spatial reference system identifier (SRID) | EPSG:32632 | OGC Metadata Standard |
| Tile Reference | The tile reference or identifier for the image in the data provider tiling system | T32TQM | EO4Nutri |
| Lineage | Information about the provenance and processing history of the image | Processed using ATCOR-4 on 2023-05-16 | OGC Quality Assurance Framework for Earth Observation (QA4EO) |
| File link | The relative link to the file on the FTP server | https://ftp.itc.nl/pub/EO4Nutri/Italy/EnMAP/ENMAP01-____L2A-DT0000012193_20230328T105123Z_001_V010201_20230331T062423Z/ | EO4Nutri |
| EnMAP | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ID_Image | ID_Sensor | Study area | FTP folder | File name | BBox (top-left, bottom-right) | Acquisition Date/Time | Level Preprocessing | Spatial Reference (SRID) | Tile Reference | Lineage | File Link |
| Sentinel 2 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ID_Image | ID_Sensor | Study area | FTP folder | File name | BBox (top-left, bottom-right) | Acquisition Date/Time | Level Preprocessing | Spatial Reference (SRID) | Tile Reference | Lineage | File Link |