aws_open_data_Sentinel2.md

rslearn.data_sources.aws_open_data.Sentinel2

This data source is for Sentinel-2 L1C and L2A imagery on AWS. It uses the sentinel-s2-l1c and sentinel-s2-l2a S3 buckets maintained by Sinergise. They state the data is "added regularly, usually within few hours after they are available on Copernicus OpenHub".

See https://aws.amazon.com/marketplace/pp/prodview-2ostsvrguftb2 for details about the buckets. AWS credentials must be configured for use with boto3.

Configuration

{
  "class_path": "rslearn.data_sources.aws_open_data.Sentinel2",
  "init_args": {
    // Required modality, either "L1C" or "L2A".
    "modality": "L1C",
    // Required cache directory to cache product metadata files.
    "metadata_cache_dir": "cache/sentinel2",
    // Sort by this attribute, either null (default, meaning arbitrary ordering) or
    // "cloud_cover".
    "sort_by": null,
    // Flag (default false) to harmonize pixel values across different processing
    // baselines (recommended), see
    // https://developers.google.com/earth-engine/datasets/catalog/COPERNICUS_S2_SR_HARMONIZED
    "harmonize": false
  }
}

Available Bands

These uint16 bands are available:

• B01
• B02
• B03
• B04
• B05
• B06
• B07
• B08
• B09
• B10 (L1C only)
• B11
• B12
• B8A

These uint8 bands are available:

• R (from TCI asset; derived from B04)
• G (from TCI asset; derived from B03)
• B (from TCI asset; derived from B02)

Example

See planetary_computer_Sentinel2 for example usage of a related data source.