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Description

This data set contains 50 m gridded snow water equivalent (SWE) values collected as part of the NASA/JPL Airborne Snow Observatory (ASO) aircraft survey campaigns. The data were derived from the <a href="https://nsidc.org/data/aso_50m_sd">ASO L4 Lidar Snow Depth 50m UTM Grid</a> data product and from modeled snow density.

Version Description

Initial release

Product Summary

Platforms
DHC-6 ,
King Air
Instruments
Riegl LMS-Q1560
Projects
ASO
Spatial Extent

N: 37.3926 S: 37.37399 E: -118.41097 W: -118.42599

,

N: 38.22396 S: 38.20403 E: -118.99487 W: -119.02041

,

N: 37.2027 S: 37.13102 E: -118.29691 W: -118.41501

,

N: 38.23294 S: 37.96873 E: -119.58734 W: -119.93914

,

N: 38.35197 S: 38.34703 E: -119.14655 W: -119.15263

,

N: 35.30827 S: 34.84176 E: -118.48953 W: -118.96299

,

N: 36.34419 S: 36.26067 E: -116.80802 W: -116.87201

,

N: 37.66785 S: 37.62315 E: -118.89665 W: -118.96338

,

N: 37.22534 S: 36.65336 E: -118.32179 W: -119.16027

,

N: 39.17079 S: 38.70411 E: -120.22689 W: -120.77841

,

N: 37.6691 S: 37.55344 E: -118.95054 W: -119.07385

,

N: 38.19435 S: 37.72826 E: -119.18655 W: -119.80576

,

N: 36.6072 S: 36.57914 E: -118.17114 W: -118.19548

,

N: 38.00096 S: 37.88126 E: -119.0974 W: -119.32685

,

N: 38.70478 S: 38.24517 E: -119.71202 W: -120.54983

,

N: 37.82021 S: 37.70337 E: -119.03728 W: -119.27284

,

N: 34.89283 S: 34.77784 E: -118.00231 W: -118.13992

,

N: 39.46925 S: 39.39914 E: -120.22381 W: -120.32614

,

N: 37.82737 S: 36.96181 E: -118.54426 W: -119.73305

,

N: 38.19435 S: 37.72826 E: -119.18655 W: -119.80576

,

N: 38.24106 S: 37.72115 E: -119.18369 W: -119.93914

,

N: 38.24515 S: 37.53568 E: -118.95054 W: -119.93914

,

N: 39.0814 S: 38.7536 E: -106.85936 W: -107.14685

,

N: 37.3912 S: 36.99987 E: -106.16731 W: -106.71068

,

N: 38.87468 S: 37.6923 E: -107.35981 W: -109.13081

,

N: 39.27284 S: 38.77724 E: -107.52564 W: -108.36915

,

N: 37.9823 S: 37.39059 E: -106.45969 W: -107.57082

,

N: 38.20772 S: 37.88416 E: -107.56208 W: -107.97235

,

N: 42.38521 S: 42.28818 E: -114.68043 W: -114.7176

,

N: 43.31809 S: 43.0552 E: -116.68022 W: -116.86703

,

N: 36.913 S: 36.43706 E: -113.87956 W: -114.37766

,

N: 44.18034 S: 43.90476 E: -121.6276 W: -121.87574

,

N: 44.52794 S: 44.31701 E: -121.81344 W: -122.10784

,

N: 46.97583 S: 46.72414 E: -121.57096 W: -121.95735

,

N: 48.09086 S: 47.493 E: -123.12877 W: -124.18472

Spatial Resolution
50 Meters x 50 Meters
Spatial Reference System(s)
Multiple EPSG codes (see User Guide)
Location
UNITED STATES OF AMERICA
Coordinate System
CARTESIAN
Granule Spatial Representation
GEODETIC
Temporal Extent
2013-04-03 to 2019-07-16
Temporal Resolution
Varies
Concept ID
C3256023791-NSIDC_CPRD
Data State
COMPLETE
Number of Files/Granules
152
Processing Level
4
Published
Updated
Science Keywords
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

Painter, T. (2018). ASO L4 Lidar Snow Water Equivalent 50m UTM Grid, Version 1 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/M4TUH28NHL4Z Date Accessed: 2026-08-18

Documents

Publications Citing This Dataset

Filters
Title Year Author Topic
Assessment of Snow Cover Fraction Parameterizations for High Resolution Snowpack Reanalyses Sourp, L., Pedinotti, V., AlonsoGonzalez, E., Jarlan, L., Gascoin, S. Snow Water Equivalent
Mapping 1 April SWE in the Western US Using Standardized Anomalies and Quantiles From SWE Reanalysis and In Situ Stations Besso, Hannah, Mower, Ross, Pflug, Justin M., Lundquist, Jessica D. Snow Water Equivalent, Snow Depth
Evaluation of high-resolution snowpack simulations from global datasets and comparison with Sentinel-1 snow depth retrievals in the Sierra Nevada, USA Sourp, Laura, Gascoin, Simon, Jarlan, Lionel, Pedinotti, Vanessa, Bormann, Kat J., Baba, Mohamed Wassim Snow Water Equivalent
Abiotic influences on continuous conifer forest structure across a subalpine watershed Worsham, H. Marshall, Wainwright, Haruko M., Powell, Thomas L., Falco, Nicola, Kueppers, Lara M. Snow Water Equivalent
Bias correction for near-real-time estimation of snow water equivalent using machine learning algorithms: A case study in the Tuolumne River basin, California Yang, Kehan, Painter, Thomas H., Deems, Jeffrey S., Molotch, Noah P. Snow Water Equivalent
Modeling Spatial Distribution of Snow Water Equivalent Using Transfer Learning Across Mountainous Basins El Halabi, Lama, Mital, Utkarsh, Dwivedi, Dipankar Snow Water Equivalent
Spatially distributed snow depth, bulk density, and snow water equivalent from ground-based and airborne sensor integration at Grand Mesa, Colorado, USA Meehan, Tate G., Hojatimalekshah, Ahmad, Marshall, Hans-Peter, Deeb, Elias J., O'Neel, Shad, McGrath, Daniel, Webb, Ryan W., Bonnell, Randall, Raleigh, Mark S., Hiemstra, Christopher, Elder, Kelly Liquid Water Content, Snow Density, Snow Depth, Snow Grain Size, Snow/Ice Temperature, Snow Stratigraphy, Snow Water Equivalent, Snow Depth, Snow Water Equivalent, Two-Way Travel Time, Terrain Elevation, Atmospheric Pressure, Atmospheric Temperature, Longwave Radiation, Relative Humidity, Shortwave Radiation, Soil Moisture/Water Content, Soil Temperature, Wind Direction, Wind Speed, Geolocation
Sources of seasonal water supply forecast uncertainty during snow drought in the Sierra Nevada Boardman, Elijah N., Renshaw, Carl E., Shriver, Robert K., Walters, Reggie, McGurk, Bruce, Painter, Thomas H., Deems, Jeffrey S., Bormann, Kat J., Lewis, Gabriel M., Dethier, Evan N., Harpold, Adrian A. Snow Water Equivalent
Predicting Snow Water Equivalent in the Tuolumne River Basin, CA Through Time Series Forecasting Using Deep-Learning Pinder, Nicholas, Joseph, Alicia, Himmele, Gabriela, Ofekeze, Evi, Jain, Aditya, Espada, Kari, Vuyovich, Carrie Snow Water Equivalent
Watershed zonation through hillslope clustering for tractably quantifying above-and below-ground watershed heterogeneity and functions Wainwright, Haruko M., Uhlemann, Sebastian, Franklin, Maya, Falco, Nicola, Bouskill, Nicholas J., Newcomer, Michelle E., Dafflon, Baptiste, Siirila-Woodburn, Erica R., Minsley, Burke J., Williams, Kenneth H., Hubbard, Susan S. Snow Water Equivalent
A western United States snow reanalysis dataset over the Landsat era from water years 1985 to 2021 Fang, Yiwen, Liu, Yufei, Margulis, Steven A. Geopotential Height, Altitude, Surface Temperature, Skin Temperature, Upper Air Temperature, Dew Point Temperature, Air Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, U/V Wind Components, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Specific Humidity, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Atmospheric Ozone, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Snow Depth, Snow Water Equivalent
Downscaled hyper-resolution (400 m) gridded datasets of daily precipitation and temperature (20082019) for the EastTaylor subbasin (western United ... Mital, Utkarsh, Dwivedi, Dipankar, Brown, James B., Steefel, Carl I. Snow Water Equivalent
Mapping snow depth and volume at the alpine watershed scale from aerial imagery using Structure from Motion Meyer, Joachim, Deems, Jeffrey S., Bormann, Kat J., Shean, David E., Skiles, S. McKenzie Snow Depth, Snow Water Equivalent, Terrain Elevation
Modeling Spatial Distribution of Snow Water Equivalent by Combining Meteorological and Satellite Data with Lidar Maps Mital, Utkarsh, Dwivedi, Dipankar, Ozgen-Xian, Ilhan, Brown, James B., Steefel, Carl I. Reflectance, Snow Water Equivalent
The Colorado East River community observatory data collection Kakalia, Zarine, Varadharajan, Charuleka, Alper, Erek, Brodie, Eoin L., Burrus, Madison, Carroll, Rosemary W. H., Christianson, Danielle S., Dong, Wenming, Hendrix, Valerie C., Henderson, Matthew, Hubbard, Susan S., Johnson, Douglas, Versteeg, Roelof, Williams, Kenneth H., Agarwal, Deborah A. Snow Depth, Snow Water Equivalent, Terrain Elevation
Spatial variability in seasonal snowpack trends across the Rio Grande headwaters (19842017) Sexstone, Graham A., Penn, Colin A., Liston, Glen E., Gleason, Kelly E., Moeser, C. David, Clow, David W. Snow Water Equivalent
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