ORNL DAAC Catalog https://thredds.daac.ornl.gov/thredds/catalog/ornldaac/960/half_degree/catalog.html

Dataset Size Last Modified
     Folder  half_degree   --
         Folder  modis_filled_bsa_2002/   --
         Folder  modis_filled_perc_2002/   --
         Folder  modis_filled_wsa_2002/   --

ORNL DAAC TDS at ORNL DAAC see Info
Documentation