Data Source server authentication#

ECMWF#

1 - to be able to use earth2observe to download ECMWF data you need to register and setup your account in the ECMWF website (https://apps.ecmwf.int/registration/)

2 - Install ECMWF key (instruction are here https://confluence.ecmwf.int/display/WEBAPI/Access+ECMWF+Public+Datasets#AccessECMWFPublicDatasets-key)

(https://confluence.ecmwf.int/display/WEBAPI/Install+ECMWF+API+Key) (to get youe API key https://api.ecmwf.int/v1/key/)

_images/ecmwf_key.png
  • Copy/paste the key into a text file and save it to your $HOME directory as .ecmwfapirc (If you use

    Windows, you have to put the file in C:Users<USERNAME>.ecmwfapirc

3- add environment variables in your command prompt type the following lines and press enter

export ECMWF_API_URL="https://api.ecmwf.int/v1"
export ECMWF_API_KEY="************"
export ECMWF_API_EMAIL="<your-email>"

CHIRPS#

  • CHIRPS data source provides the data through a FTP server that is public and does not need and kind of registration

Amazon-S3#

  • The era5_bucket provides the data publically and does not require registering in amazon aws to download the data.