For information on discovering Aquarius data at PO.DAAC see the video tutorial on the PO.DAAC youtube channel:
https://www.youtube.com/watch?v=ESdV7hFgnO4
The accompanying tutorial slides are available as a.pdf document at https://podaac-tools.jpl.nasa.gov/drive ... scover.PDF
While the illustrations provided focus on Aquarius datasets, the approach described is generally applicable to discovery of all PO.DAAC data holdings.
This video is a snippet (20 minute duration) of broader instructional material related to the Aquarius/SAC-D mission presented as part of the "ADVICE" educational NASA/EOSDIS EarthData Webinar series:
https://podaac.jpl.nasa.gov/forum/viewtopic.php?f=20&t=343