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Snoqualmie Pass Snow Study Site
A Meteorological and Snow observational data set from Snoqualmie Pass (921 m), Washington Cascades, U.S.Data Collection Funded by National Science Foundation (EAR-1215771) and the Washington State Department of Transportation
AbstractWe introduce a quality controlled observational atmospheric, snow, and soil data set from Snoqualmie Pass, Washington, U.S.A., to enable testing of hydrological and snow process representations within a rain-snow transitional climate where existing observations are sparse and limited. Continuous meteorological forcing (including air temperature, total precipitation, wind speed, specific humidity, air pressure, short- and longwave irradiance) are provided at hourly intervals for a 24-year historical period (water years 1989-2012) and at half-hourly intervals for a more-recent period (water years 2013-2015), separated based on the availability of observations. Missing historical values during summer periods prior to 2003 were filled from National Land Data Assimilation Systems (NLDAS) model. Additional observations include 40-years of snow board new snow accumulation, multiple measurements of total snow depth, and manual snow pits, while more recent years include sub-daily surface temperature, snowpack drainage, soil moisture and temperature profiles, and eddy co-variance derived turbulent heat flux. This data set is ideal for testing hypotheses about energy balance, soil and snow processes in the rain-snow transition zone.
Data CitationThese data may be used freely for any non-commercial purpose and are offered without warranty. Please cite the data as:
Wayand, N. E., Massmann A., Butler C., Keenan E., Stimberis J., and Lundquist J. D., (2015, in preparation for WRR), A Meteorological and Snow observational data set from Snoqualmie Pass (921 m), Washington Cascades, U.S.
Links to live dataLive 10 min data from the Snoqualmie Pass Snow study site.
DataSnoqualmie Pass data are archived in the UW Research Works Archive.