Introduction
This block provides information about offshore oil slicks using satellite images captured over the ocean. The oil slicks are ranked based on the likelihood of being natural or man-made. The information is extracted from over 32 500 satellite images and the image archive collection is still expanding worldwide.
Technical Information
Compatible blocks
| Compatible blocks |
|---|
| Count Objects |
| Export Data (Vector) |
Geographic coverage
The geographic coverage is globally distributed and comprises 76 million square kilometers.
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Dataset Information
| Specifications | Description |
|---|---|
| Data Provider | Airbus |
| Data Source | 32 500 high-resolution SAR images |
| Data Acquisition | Since 1984 (over 20 years of data) |
| File Format | GeoJSON |
| Coordinate System | WGS84/EPSG 4326 |
Available Layers
| Layer | Description | Geometry type |
|---|---|---|
Ships_Rigs | All ships and rigs identified on a satellite scene | Point |
Slick_Points | The predicted oil slick source point – point feature class | Point |
Slick_Outlines | The outline of the oil slick on the satellite image | LineString |
Scenes | The outline of each satellite scene | Polygon |
Limitations
The block does not support test queries or quicklooks.
How it works
| Supported JSON parameters | Default value | Min | Max | Examples |
|---|---|---|---|---|
bbox/intersects | null | n.a. | n.a. | Please check the examples from the JSON parameters. |
object_type | ["Scenes", "Ships_Rigs", "Slick_Points", "Slick_Outlines"] | n.a. | n.a. | "object_type": [ "Scenes", "Ships_Rigs", "Slick_Points", "Slick_Outlines" ] |
Examples
Example based on a workflow created with the data block Global Seeps:
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Capabilities
Output
vector
| custom | |
|---|---|
object_type | ${object_type} |
| up42_standard | |
|---|---|
format | GeoJSON |
geometry_type | {
"or": [
"Polygon",
"Linestring",
"Point"
]
} |
To know more please check the block capabilities specifications.
For more information, please refer to the marketplace.