This winter has been a low snow year for the Niigata region. Temperatures appear to have been about average, so the reason for the lack of snow seems to be below-average precipitation levels. Possibly there was also a tendency for precipitation days to have been relatively warm, producing more rain and less snow, but I have yet to analyze the data to confirm this. Now the snowmelt season is here already.
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| Larch lysimeter site, snow depth = 55-60cm |
Today we completed a snow survey which showed that the snowpack was similar in size to the last survey in late January. Normally the snowpack would grow substantially through February and into March, but this year it remained marginal all through the winter in the low elevations. The snow lysimeter data showed that the snowpack had entered the spring snowmelt season with a daily snowmelt runoff pattern commencing in mid-March.
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| Cedar lysimeter site, snow depth = 25-30cm |
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| Young cedar site, snow depth = 30-80cm |
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