Downloading Products ==================== In order to download GLDAS NOAH products you have to register an account with NASA's Earthdata portal at ``_. After that you can use the command line program ``gldas_download`` together with your username and password. For example to download all GLDAS Noah v2.1 Images (3-hourly) .. code:: gldas_download /tmp -s 2018-06-03 -e 2018-06-05 --product GLDAS_Noah_v21_025 --username **USERNAME** --password **PASSWORD** would download GLDAS Noah version 2.1 data from the select start to the selected end day into the '/tmp' folder. For a description of the download function and all options run ..code:: gldas_download -h