Figure 68. Windrow drag used to encourage snow accumulation.
makes it much more susceptible to deterioration
the fallen snow at regular intervals in the areas
when temperature gradients are present across
where accumulation is desired. We used I-beam
the snowpack. Following leveling and compac-
drags (Fig. 73) with a degree of success, but a
tion, we set a new series of windrows to begin the
pneumatic-tire roller is preferable.
process again. In this manner, on a day with steady
If the goal is to avoid snow accumulation, sev-
winds carrying considerable snow building up
eral approaches may be taken depending on the
over a half meter of snow was possible in a 24-
amount of wind present. When conditions are
hour period.
calm and fresh snow has fallen, the area should
To add to the snow cover when snow is falling
remain untouched where additional snow is not
and there is little or no wind, it is best to compact
wanted. Often, this snow will quickly be removed
66
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