Since liquid is more reflective than ice, the reflectivity below the melting level is generally higher than it was above the melting level.
(liquid; is; more reflective than ice) (the reflectivity below the melting level; is; generally higher than it was above the melting level) (it; was; above the melting level)
liquid the reflectivity below the melting level it
is is was
more reflective than ice
generally higher than it was above the melting level
above the melting level