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Description

This data set is part of the SnowEx 2020 and SnowEx 2021 campaigns and provides bare Earth digital elevation models (DEM) acquired by a scanning lidar system at a 3.0 m spatial resolution, and derived from point cloud digital terrain models. DEMs are available for September 2021 and from multiple areas in Colorado, Idaho, and Utah. These data were produced alongside <a href="https://doi.org/10.5067/K67GKZQ9WUEI">Vegetation Height</a> and <a href="https://doi.org/10.5067/4VO7438DP332">Snow Depth</a> data sets.

Version Description

Initial release

Product Summary

Platforms
King Air
Instruments
LIDAR
Projects
SNOWEX
Spatial Extent

N: 44.3658 S: 43.0343 E: -114.8547 W: -117.0661

,

N: 40.6041 S: 40.5161 E: -111.5989 W: -111.7319

,

N: 40.5841 S: 38.9681 E: -105.7432 W: -108.3384

Spatial Resolution
3 Meters x 3 Meters
Spatial Reference System(s)
Multiple EPSG codes (see User Guide)
Location
COLORADO ,
IDAHO ,
UTAH
Coordinate System
CARTESIAN
Granule Spatial Representation
GEODETIC
Temporal Extent
2021-09-16 to 2021-09-21
Concept ID
C3271567139-NSIDC_CPRD
Data State
COMPLETE
Number of Files/Granules
6
Processing Level
3
Published
Science Keywords
Digital Elevation/Terrain Model (DEM)

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

Adebisi, N., Marshall, H.-P., ONeel, S., Vuyovich, C., Hiemstra, C., & Elder, K. (2023). SnowEx20-21 QSI Lidar DEM 3m UTM Grid, Version 1 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/VV382L4MQI7V Date Accessed: 2026-09-12

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