If this is your first visit to the website, we suggest that you determine which type of NGDS user you are: Data Contributor, Data User, or a Developer. 

General tutorials on the distributed data system are available and specific tutorials on this site are under development.

If you are interested in searching for data using a tool similar to a search engine, we suggest the general catalog search.

If you are interested in searching for data using a tool that allows you to extract tabular data, we suggest using the data portal and map.

For general information, visit our About page.

For frequently asked questions, visit our FAQs page.