1     'montg1' = field in surface archive flag (0=F,1=T)
  1     'srfhgt' = field in surface archive flag (0=F,1=T)
  1     'steric' = field in surface archive flag (0=F,1=T)
  1     'surflx' = field in surface archive flag (0=F,1=T)
  1     'salflx' = field in surface archive flag (0=F,1=T)
  1     'bldpth' = field in surface archive flag (0=F,1=T)
  1     'mldpth' = field in surface archive flag (0=F,1=T)
  1     'covice' = field in surface archive flag (0=F,1=T)
  1     'thkice' = field in surface archive flag (0=F,1=T)
  1     'temice' = field in surface archive flag (0=F,1=T)
  1     'ubtrop' = field in surface archive flag (0=F,1=T)
  1     'vbtrop' = field in surface archive flag (0=F,1=T)
  1     'u-vel.' = field in surface archive flag (0=F,1=T)
  1     'v-vel.' = field in surface archive flag (0=F,1=T)
  1     'thknss' = field in surface archive flag (0=F,1=T)
  1     'temp  ' = field in surface archive flag (0=F,1=T)
  1     'salin ' = field in surface archive flag (0=F,1=T)
  0     'surtx ' = field in surface archive flag (0=F,1=T), after salflx
  0     'surty ' = field in surface archive flag (0=F,1=T)