NCAR ESG Download

Disclaimer:  This document is designed to guide the reader through the process of downloading netCDF model output files from the Earth System Grid Gateway at the National Center for Atmospheric Research.  User support is limited to the information found on this page.

Step 1:  login to the Earth System Grid

Note:  New users will need to create an account on the ESG before they will be able to download files.

Example ESG Account information:
ESG username joe
ESG passwd myESGpassword
OpenID identifier https://www.earthsystemgrid.org/myopenid/myUserName

Click here for more ESG Information.

Email cmip5-helpdesk@stfc.ac.uk  for help with CMIP5 specific questions.

Step 2:  search the ESG database

Search by keyword:

e.g., Search box:  trace

Search by Project:

e.g., Search Categories (left box) -> Project -> CMIP5 -> LGM -> Ocean

Note:  Click here to download a pdf file that explains the CMIP5 file naming conventions.

Step 3.  select files

Recommended:  Click on Download Files to choose individual files.  Click several boxes (start with a few files to test the download procedure), then click Download ALL Selected Files(s) at the top.

Step 4: Click on your "Selected Datasets" at the top of the page.

Example:  http://www.earthsystemgrid.org/dataset/cmip5.output2.NCAR.CCSM4.lgm.mon....

This should generate a Summary page where you can click on the tabs at the top of the page to explore the data (Geophysical Properties, Variables, History, Administration). 

Step 5: Click "Download Files"

This brings you to a login page where you enter your OpenID (e.g., https://www.earthsystemgrid.org/myopenid/myUserName).  download.html page, with your download description at the top, and an explanation of your download options. 

Step 6: Click the "Download Individual Files" Option

Choose your files.  If the requested files are archived on the HPSS archive storage system, the ESG sends a batch request to the HPSS to retrieve the files and mount them on local disk where they will be available for download for 72 hours.  The HPSS retrieval process can take some time so ESG sends you an email confirmation when the requested files are available for download.   The email will contain a subject line that says "Data Transfer Job Notification" and contains a link to a page listing the files you requested.  You can download these files individually, or retrieve a shell script that will download them from a UNIX/LINUX command line.