Sentinel on AWS

Sentinel-1 and Sentinel-2 data is available for anyone to use via Amazon S3.

Find general info about the dataset on Register of Open Data on AWS - Sentinel-1 and Sentinel-2

Sentinel-2 L1C dataset will be set to “Requester pays” by end of June 2018 in a manner similar to Sentinel-2 L2A and Sentinel-1 GRD were from the beginning. This may affect your workflow. Visit this page to find out details and how to embrace the changes.

Data structure for Sentinel-1

Each file is its own object in Amazon S3.. The basic data format is the following:

[product type]/[year]/[month]/[day]/[mode]/[polarization]/[product identifier]

For example, the files for individual scene are available in the following location: s3://sentinel-s1-l1c/GRD/2018/1/11/EW/DH/S1A_EW_GRDH_1SDH_20180111T110409_20180111T110513_020106_02247C_FBAB/

Where:

  • [product type] = GRD - GRD or SLC

  • [year] = e.g. 2018 - is the year the data was collected.

  • [month] = e.g. 1 - is the month of the year the data was collected (without leading zeros).

  • [day] = e.g. 11 - is the day of the month the data was collected (without leading zeros).

  • [mode] = e.g. EW - IW, EW, WV, IW1-IW3, EW1-EW5, WV1-WV2, S1-S6, IS1-IS7; note that modes depend on the [product type[

  • [polarization] = e.g. DH - DH, DV, SH, SV, VH, HV, HV, VH; note that polarizations depend on the observation scenario

  • product identifier - original product identifier

Data structure for Sentinel-2

Each file is its own object in Amazon S3. The data are organised per tiles using the Military grid system (latest KML file). The basic data format is the following:

tiles/[UTM code]/latitude band/square/[year]/[month]/[day]/[sequence]/DATA

For example, the files for individual scene are available in the following location: s3://sentinel-s2-l1c/tiles/10/S/DG/2015/12/7/0/

Where:

  • [UTM code] = e.g. 10 - grid zone designator.

  • latitude band = e.g. S - latitude band are lettered C- X (omitting the letters "I" and "O").

  • square = e.g DG - pair of letters designating one of the 100,000-meter side grid squares inside the grid zone.

  • [year] = e.g. 2015 - is the year the data was collected.

  • [month] = e.g. 12 - is the month of the year the data was collected (without leading zeros).

  • [day] = e.g. 7 - is the day of the month the data was collected (without leading zeros).

  • [sequence] = e.g. 0 - in most cases there will be only one image per day. In case there are more (in northern latitudes), the following images will be 1,2,…\.

  • DATA - data for each tile are organised as in original product S2 MSI Product Specification.

Metadata

The metadata of the product, which tile is part of, are available in parallel folder (productInfo.json contains the name of the product). This can be found in products/[year]/[month]/[day]/[product name].