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Digital Earth Africa Sentinel-2 Level-2A

Digital Earth Africa Sentinel-2 Level-2A

This product is part of the Amazon Sustainability Data Initiative and contains data sets that are publicly available for anyone to access and use. No subscription is required. Unless specifically stated in the applicable data set documentation, data sets available through the Amazon Sustainability Data Initiative are not provided and maintained by AWS.

Description

The Sentinel-2 mission is part of the European Union Copernicus programme for Earth observations. Sentinel-2 consists of twin satellites, Sentinel-2A (launched 23 June 2015) and Sentinel-2B (launched 7 March 2017). The two satellites have the same orbit, but 180° apart for optimal coverage and data delivery. Their combined data is used in the Digital Earth Africa Sentinel-2 product. Together, they cover all Earth’s land surfaces, large islands, inland and coastal waters every 3-5 days. Sentinel-2 data is tiered by level of pre-processing. Level-0, Level-1A and Level-1B data contain raw data from the satellites, with little to no pre-processing. Level-1C data is surface reflectance measured at the top of the atmosphere. This is processed using the Sen2Cor algorithm to give Level-2A, the bottom-of-atmosphere reflectance (Obregón et al, 2019). Level-2A data is the most ideal for research activities as it allows further analysis without applying additional atmospheric corrections. The Digital Earth Africa Sentinel-2 dataset contains Level-2A data of the African continent. Digital Earth Africa does not host any lower-level Sentinel-2 data. Note that this data is a subset of the Sentinel-2 COGs dataset.

License

Access to Sentinel data is free, full and open for the broad Regional, National, European and International user community. View Terms and Conditions .

How to cite

Digital Earth Africa Sentinel-2 Level-2A was accessed on DATE from https://registry.opendata.aws/deafrica-sentinel-2 .

Update frequency
New Sentinel-2 scenes are added regularly, usually within few hours after they are available on Copernicus OpenHub.
Support information

Contact: helpdesk@digitalearthafrica.org

General AWS Data Exchange support

Resources on AWS

Description

Sentinel-2 scenes and metadata

Resource type
S3 Bucket
Amazon Resource Name (ARN)
arn:aws:s3:::deafrica-sentinel-2
AWS Region
af-south-1

AWS CLI Access (No AWS account required)

aws s3 ls --no-sign-request s3://deafrica-sentinel-2/
Description
Resource type
S3 Bucket
Amazon Resource Name (ARN)
arn:aws:s3:::deafrica-sentinel-2-inventory
AWS Region
af-south-1

AWS CLI Access (No AWS account required)

aws s3 ls --no-sign-request s3://deafrica-sentinel-2-inventory/
Description

New scene notifications, can subscribe with Lambda or SQS. Message contains entire STAC record for each new Item.

Resource type
SNS Topic
Amazon Resource Name (ARN)
arn:aws:sns:af-south-1:543785577597:deafrica-sentinel-2-scene-topic
AWS Region
af-south-1
Description

Bucket creation event notification, can subscribe with Lambda or SQS. Message sent by deafrica-sentinel-2 s3 bucket all object create events.

Resource type
SNS Topic
Amazon Resource Name (ARN)
arn:aws:sns:af-south-1:543785577597:deafrica-sentinel-2-topic
AWS Region
af-south-1

Usage examples

Tutorials
Publications
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