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Description

The data set is a time-series of snow pit measurements obtained by the SnowEx community during the 2020 campaign. Between October 2019 and May 2020, data were collected from 454 snow pits at 12 regional locations throughout California, Colorado, Idaho, New Mexico, and Utah, USA. At each of the locations, between 1 and 11 sites covering a range of conditions (terrains, snow depths, etc.) were chosen for weekly snow pit observations. Also available are photos of the field notes and snow pit sites.

Version Description

Version 2 updates include: SWE algorithm correction, updated snow pit coordinates, correction of transcription errors

Product Summary

Platforms
GROUND-BASED OBSERVATIONS
Instruments
A2 Photonic_WISe ,
GPS ,
MICROSCOPES ,
SNOW DENSITY CUTTER ,
THERMOMETERS
Projects
SNOWEX
Spatial Extent

N: 44.30455 S: 35.85794 E: -105.54616 W: -120.29897

Spatial Reference System(s)
WGS 84 (EPSG:4326)
Location
UNITED STATES OF AMERICA
Coordinate System
CARTESIAN
Granule Spatial Representation
GEODETIC
Temporal Extent
2019-10-24 to 2020-05-20
Temporal Resolution
7 Day
Concept ID
C3271569700-NSIDC_CPRD
Data State
COMPLETE
Number of Files/Granules
910
Processing Level
2
Published
Science Keywords
Liquid Water Content ,
Snow Density ,
Snow Depth ,
Snow Grain Size ,
Snow/Ice Temperature ,
Snow Stratigraphy ,
Snow Water Equivalent

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Mason, M., Marshall, H.-P., McCormick, M., Craaybeek, D., Elder, K., & Vuyovich, C. (2024). SnowEx20 Time Series Snow Pit Measurements, Version 2 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/KZ43HVLZV6G4 Date Accessed: 2026-06-08

Documents

Publications Citing This Dataset

Filters
Title Year Author Topic
Quantifying SnowGround Backscatter Uncertainty: A Bayesian Approach Using Multifrequency SAR and In-Situ Observations Rai, Ashwani, Barros, Ana P. Snow Density, Snow Depth, Snow Grain Size, Snow/Ice Temperature, Snow Stratigraphy, Snow Water Equivalent, Liquid Water Content, Snow Density, Snow Depth, Snow Grain Size, Snow/Ice Temperature, Snow Stratigraphy, Snow Water Equivalent
Assimilation of L-band interferometric synthetic aperture radar (InSAR) snow depth retrievals for improved snowpack quantification Shrestha, Prabhakar, Barros, Ana P. Heat Flux, Longwave Radiation, Shortwave Radiation, Surface Temperature, Evaporation, Evapotranspiration, Rain, Snow, Canopy Characteristics, Leaf Characteristics, Vegetation Cover, Soil Moisture/Water Content, Soil Temperature, Albedo, Land Surface Temperature, Snow Water Equivalent, Runoff, Liquid Water Content, Snow Density, Snow Depth, Snow Grain Size, Snow/Ice Temperature, Snow Stratigraphy, Snow Depth
Evaluating L-band InSAR snow water equivalent retrievals with repeat Bonnell, Randall, McGrath, Daniel, Tarricone, Jack, Marshall, Hans-Peter, Bump, Ella, Duncan, Caroline, Kampf, Stephanie, Lou, Yunling, Olsen-Mikitowicz, Alex, Sears, Megan, Williams, Keith, Zeller, Lucas, Zheng, Yang Digital Elevation/Terrain Model (DEM), Snow Density, Snow Depth, Snow Water Equivalent, Two-Way Travel Time, Liquid Water Content, Snow Density, Snow Depth, Snow Grain Size, Snow/Ice Temperature, Snow Stratigraphy, Snow Water Equivalent
Snow water equivalent retrieval over IdahoPart 2: Using L-band UAVSAR repeat-pass interferometry Hoppinen, Zachary, Oveisgharan, Shadi, Marshall, Hans-Peter, Mower, Ross, Elder, Kelly, Vuyovich, Carrie Liquid Water Content, Snow Density, Snow Depth, Snow Grain Size, Snow/Ice Temperature, Snow Stratigraphy, Snow Water Equivalent
Snowpack relative permittivity and density derived from nearcoincident lidar and groundpenetrating radar Bonnell, Randall, McGrath, Daniel, Hedrick, Andrew R., Trujillo, Ernesto, Meehan, Tate G., Williams, Keith, Marshall, HansPeter, Sexstone, Graham, Fulton, John, Ronayne, Michael J., Fassnacht, Steven R., Webb, Ryan W., Hale, Katherine E. Snow Density, Snow Depth, Snow Grain Size, Snow/Ice Temperature, Snow Stratigraphy, Snow Water Equivalent, Two-Way Travel Time, Snow Depth, Liquid Water Content, Snow Density, Snow Grain Size, Snow/Ice Temperature, Snow Stratigraphy, Snow Water Equivalent
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