.. _2b3194a968a886ef1b0f6c5609610b93_how-to-find-cmip5-datasets:

============================
How To find CMIP5 datasets
============================

IPCC-DDC Data Download:
~~~~~~~~~~~~~~~~~~~~~~~

For data download from the IPCC please use the `CERA GUI <http://cera-www.dkrz.de>`__. The following link directs you to the DDC data subset of WDCC's data: https://cera-www.dkrz.de/WDCC/ui/cerasearch/q?general_key_ss=IPCC-DDC

**For data download you need a CERA account at DKRZ** which is open and free of charge. If you do not have an account yet, you can register for it `here <https://cera-www.dkrz.de/WDCC/ui/cerasearch/Register>`__.

A **data download guide** is available at: \ https://cera-www.dkrz.de/WDCC/ui/cerasearch/info?site=IPCC-DDC-AR5-data\ .

 

Earth System Grid Federation (ESGF) Data Download:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

A more general ESGF users guide is found here: `ESGF User Guide <http://github.com/ESGF/esgf.github.io/wiki/ESGF_User_Guide>`__

| For DDC data search and download please do the following:
| 1. go to one of the ESGF gateways e.g. http://esgf-data.dkrz.de or http://esgf-node.llnl.gov/
| 2. choose project or search over all projects
| 3. choose menu 'Search'
| 4. click boxes should be set to:
| '**Show All Replicas' ON**, **'Show All Versions' ON**
| 5. select the facet **'Datanode': esgf2.dkrz.de** from the menu on the left
| 6. then either expand the **'List Files'** open to display all files and download individual files **or** use the **'WGET Script'** option to generate a download script to download all files of the selected dataset. The wget script should be ready to use for download from any LINUX system.