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Snow Pit Permittivity and Liquid Water Observations - Colorado and New Mexico 2020-2021

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Created: Sep 10, 2021 at 5:10 p.m.
Last updated: Sep 13, 2021 at 8:12 p.m.
DOI: 10.4211/hs.46800976a58143cbbad11b9cd31d9e82
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Sharing Status: Published
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These datasets summarize field results of snow density, dielectric permittivity, and calorimeter-based liquid water content estimates. The field sites are the Jemez River Basin and Cameron Pass time series sites as part of the NASA SnowEx 2020 and 2021 time series data collection. Snow density observations were made using a 1000 cc wedge cutter and scale with 1 g precision. Dielectric permittivity observations were made with an A2 Photonics WISe sensor with a 325 cc volume of influence. The melt calorimeter observations were made to estimate liquid water content of 20-30 g snow samples taken from the WISe sensor volume; temperature precision was 0.01 degrees celsius and mass 1 g. Two datasets have been quality controlled and assessed to ensure accurate data are being reported. These data include the bulk average density and permittivity during dry snow conditions; and density, permitivitty, and liquid water content during isothermal and wet snow conditions.

Subject Keywords



Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
North Latitude
East Longitude
South Latitude
West Longitude


Start Date:
End Date:



Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Aeronautics and Space Agency Developing an Improved Snow Liquid Water Content Algorithm 80NSSC20K0921
National Aeronautics and Space Agency Constraining Airborne and Satellite Algorithms for Estimating Snow Water Equivalent through Spatially Extensive Ground Penetrating Radar Observations during NASA’s SnowEx Campaign 80NSSC18K0877
National Science Foundation Extending the Vadose Zone: Characterizing the role of Snow for Liquid Water Storage and Transmission in Streamflow Generation 1824152

How to Cite

Webb, R., A. Marziliano, R. Bonnell, D. McGrath (2021). Snow Pit Permittivity and Liquid Water Observations - Colorado and New Mexico 2020-2021, HydroShare,

This resource is shared under the Creative Commons Attribution CC BY.


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