Civil Engineering - Elements of Remote Sensing - Discussion

Discussion Forum : Elements of Remote Sensing - Section 1 (Q.No. 47)
Pick up the correct statement from the following
The ratio of the up flux and down flux just above the snow surface, is called albedo
Spectral albedo of snow is calculated for the semi-infinite snow thickness
Water equivalent height of snow is the height of water column obtained by melting snow.
A homogeneous snow pack is one whose average grain size does not vary with depth.
All of these
Answer: Option
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