NOAA/ESRL/PSD Catalog http://esrl.noaa.gov/psd/thredds/catalog/Datasets/nodc.woa98/salinity/catalog.html

Dataset Size Last Modified
     Folder  salinity   --
         Folder  annual/   --
         Folder  monthly/   --
         Folder  seasonal/   --

NOAA/ESRL/PSD at NOAA ESRL PSD see Info
THREDDS Data Server [Version 4.3.15 - 20121218.1126] Documentation