OBSNAM: merra OBSDSC: GEOSdas-2_1_4_(MERRA) filename: 'VERIFICATION/MERRA.NCDF3/tavg1_2d_flx_Nx/tavg1_2d_flx_Nx.ddf' filetype: 'HDF' fields: 'SH' , 'SURFACE' , 'HFLUX' , 1 ::