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Observed Spring Snowmelt Dates

Observed Spring Snowmelt Dates

Date of onset of spring runoff pulse. Reddish-brown circles indicate significant trends toward onsets more than 20 days earlier. Lighter circles indicate less advance of the onset. Blue circles indicate later onset. The changes depend on a number of factors in addition to temperature, including altitude and timing of snowfall.  Image Reference: USGS1

References

Summary

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