While radar sounding surveys give a broad picture of regions of an ice shelf that are influenced by melting or freezing, the measurement of rates is much harder.
(radar; sounding; surveys) (radar sounding surveys; give; a broad picture of regions of an ice shelf) (regions of an ice shelf; are influenced; by melting or freezing) (the measurement of rates; is; much harder)
radar radar sounding surveys regions of an ice shelf the measurement of rates
sounding give are influenced is
surveys
a broad picture of regions of an ice shelf
by melting or freezing
much harder