• On Wednesday, May 21 from 9:00 a.m. to 2:30 p.m. (US Mountain Time), this data set may not be available in the legacy data archive due to a planned system maintenance. Earthdata Cloud access will remain available for data sets that have migrated. Users of the SMAP near real-time products should use the NASA LANCE HTTPS File System for data access. 

NASA SnowEx

New Approaches for Mapping Snow Water Equivalent
In this section
Data

The following table includes the official SnowEx data sets currently available from NSIDC DAAC. These data sets have been produced by the SnowEx team. 

Data for this collection: 100
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NAMETEMPORAL COVERAGEPARAMETER(S)
SnowEx Meteorological Station Measurements from Grand Mesa, CO Raw, Version 1 (SNEX_Met_Raw) -
ATMOSPHERIC PRESSUREATMOSPHERIC TEMPERATURELONGWAVE RADIATIONRELATIVE HUMIDITYSENSOR CHARACTERISTICSSHORTWAVE RADIATIONSNOW DEPTHSOIL MOISTURE/WATER CONTENTSOIL TEMPERATUREWIND DIRECTIONWIND SPEED
SnowEx Meteorological Station Measurements from Grand Mesa, CO, Version 1 (SNEX_Met) -
ATMOSPHERIC PRESSUREATMOSPHERIC TEMPERATURELONGWAVE RADIATIONRELATIVE HUMIDITYSHORTWAVE RADIATIONSNOW DEPTHSOIL MOISTURE/WATER CONTENTSOIL TEMPERATUREWIND DIRECTIONWIND SPEED
SnowEx UAVSAR L-band Synthetic Aperture Radar, Version 1 (SNEX_UAVSAR) -
-
-
RADAR IMAGERY
SnowEx17 Boise State University Raw Terrestrial Laser Scanner (TLS) Point Cloud, Version 1 (SNEX17_TLS_PC_BSU_Raw) -
LIDAR
SnowEx17 Boise State University Terrestrial Laser Scanner (TLS) Point Cloud, Version 1 (SNEX17_TLS_PC_BSU) -
LIDAR
SnowEx17 Cloud Absorption Radiometer BRDF, Version 1 (SNEX17_CAR) -
RADIANCE
SnowEx17 Community Snow Depth Probe Measurements, Version 1 (SNEX17_SD) -
SNOW DEPTH
SnowEx17 Community Snow Pit Measurements, Version 1 (SNEX17_SnowPits) -
SNOW DENSITYSNOW DEPTHSNOW GRAIN SIZESNOW/ICE TEMPERATURESNOW STRATIGRAPHYSNOW WATER EQUIVALENT
SnowEx17 CRREL Differential GNSS Survey, Version 1 (SNEX17_DGNSS1) -
GEOLOCATION
SnowEx17 CRREL Terrestrial Laser Scanner (TLS) Point Cloud, Version 1 (SNEX17_TLS_PC_CRREL) -
LIDAR
SnowEx17 GLISTIN-A K-Band Synthetic Aperture Radar, Version 1 (SNEX17_InSAR) -
RADAR IMAGERY
SnowEx17 GPR and Lidar-Derived Snowpack Relative Permittivities and Densities, Version 1 (SNEX17_SD_Perm) -
RELATIVE PERMITTIVITYSNOW DENSITYSNOW DEPTHSNOW WATER EQUIVALENTTWO-WAY TRAVEL TIME
SnowEx17 Ground Penetrating Radar Raw, Version 1 (SNEX17_GPR_Raw) -
RADAR REFLECTIVITY
SnowEx17 Ground Penetrating Radar, Version 2 (SNEX17_GPR) -
SNOW DEPTHSNOW WATER EQUIVALENT
SnowEx17 Ground-Based UWScat Ku- and X-Band Frequency Modulated Continuous Wave Radar, Version 1 (SNEX17_UWScat) -
RADAR CROSS-SECTION
SnowEx17 KT-15 Infrared Brightness Temperature, Version 1 (SNEX17_KT15_TB) -
BRIGHTNESS TEMPERATURE
SnowEx17 Laser Snow Microstructure Specific Surface Area Data, Version 1 (SNEX17_SSA) -
REFLECTANCESNOW GRAIN SIZESPECIFIC SURFACE AREA
SnowEx17 P-3 Airborne Video, Version 1 (SNEX17_P3V) -
SEASONALLY FROZEN GROUND
SnowEx17 Radiometrics Surface-Based Radiometer Brightness Temperatures, Version 1 (SNEX17_SBR) -
BRIGHTNESS TEMPERATURESNOW WETNESS
SnowEx17 Senator Beck SnowMicroPen (SMP) Raw Penetration Force Profiles, Version 1 (SNEX17_SMP2) -
SNOW DEPTHSNOW STRATIGRAPHY
SnowEx17 SnowMicroPen (SMP) Raw Penetration Force Profiles, Version 1 (SNEX17_SMP) -
SNOW STRATIGRAPHY
SnowEx17 SnowSAR Multi-look Synthetic Aperture Radar Backscatter Amplitude Images, Version 1 (SNEX17_SnowSAR) -
RADAR IMAGERY
SnowEx17 SnowSAR Raw FMCW Waveforms, Version 1 (SNEX17_SnowSAR_Raw) -
RADAR IMAGERY
SnowEx17 Time Series Sonic Snow Depth Measurement Array, Version 1 (SNEX17_SSD) -
SNOW DEPTH
SnowEx17 Time-Lapse Imagery, Version 1 (SNEX17_TLI) -
VISIBLE IMAGERY
SnowEx17 UM Quantum Well Infrared Photodetector (QWIP) Surface Temperature, Version 1 (SNEX17_QWIP_ST) -
INFRARED IMAGERY
SnowEx20 Airborne SWESARR Brightness Temperature, Version 1 (SNEX20_SWESARR_TB) -
BRIGHTNESS TEMPERATURE
SnowEx20 APL-UW CASIE Brightness Temperatures, Thermal Infrared Imagery (TIR), and Visible-Band Imagery (RGB), Version 1 (SNEX20_CASIE_TIR) -
BRIGHTNESS TEMPERATUREVISIBLE IMAGERY
SnowEx20 Boise Center Aerospace Laboratory 1 m Resolution Snow Depth, Topographical, and Vegetation Structural Metrics, Version 1 (SNEX20_BSAL_SD)
SNOW DEPTHTERRAIN ELEVATIONVEGETATION HEIGHT
SnowEx20 Boise River Basin SnowMicroPen (SMP) Raw Penetration Force Profiles, Version 1 (SNEX20_BR_BSU_SMP) -
SNOW DEPTHSNOW STRATIGRAPHY
SnowEx20 Boise State University Raw Terrestrial Laser Scanner (TLS) Point Cloud, Version 1 (SNEX20_TLS_PC_BSU_RAW) -
LIDAR
SnowEx20 Boise State University Terrestrial Laser Scanner (TLS) Point Cloud, Version 1 (SNEX20_TLS_PC_BSU) -
LIDAR
SnowEx20 Cameron Pass Ground Penetrating Radar Raw, Version 1 (SNEX20_COCP_GPR_Raw) -
RADAR REFLECTIVITY
SnowEx20 Cameron Pass Ground Penetrating Radar, Version 1 (SNEX20_COCP_GPR) -
SNOW DENSITYSNOW DEPTHSNOW WATER EQUIVALENTTWO-WAY TRAVEL TIME
SnowEx20 Community Snow Depth Probe Measurements, Version 1 (SNEX20_SD) -
SNOW DEPTH
SnowEx20 COSMOS Rover Soil Moisture, Version 1 (SNEX20_CRSM) -
AIR TEMPERATUREATMOSPHERIC PRESSURERELATIVE HUMIDITYSOIL MOISTURE/WATER CONTENT
SnowEx20 COSMOS Stationary Soil Moisture, Version 1 (SNEX20_CSSM) -
AIR TEMPERATUREATMOSPHERIC PRESSURE MEASUREMENTSRELATIVE HUMIDITYSOIL MOISTURE/WATER CONTENT
SnowEx20 CRREL Terrestrial Laser Scanner (TLS) Point Cloud, Version 1 (SNEX20_TLS_PC_CRREL) -
LIDAR BACKSCATTER
SnowEx20 Grand Mesa Autumn 2019 Gravimetric Soil Moisture, Version 1 (SNEX20_A19_GSM) -
SOIL MOISTURE/WATER CONTENT
SnowEx20 Grand Mesa Autumn 2019 Snow Depth, Version 1 (SNEX20_A19_SD) -
SNOW DEPTH
SnowEx20 Grand Mesa Autumn 2019 Snow Pits, Version 1 (SNEX20_A19_SP) -
LIQUID WATER CONTENTSNOW DENSITYSNOW/ICE TEMPERATURESNOW STRATIGRAPHY
SnowEx20 Grand Mesa Autumn 2019 Snow Water Equivalent, Version 1 (SNEX20_A19_SWE) -
SNOW DENSITYSNOW DEPTHSNOW WATER EQUIVALENT
SnowEx20 Grand Mesa In Situ Dielectric Soil Moisture, Version 1 (SNEX20_DSM) -
SOIL MOISTURE/WATER CONTENTSOIL TEMPERATURE
SnowEx20 Grand Mesa Intensive Observation Period Snow Pit Measurements, Version 1 (SNEX20_GM_SP) -
LIQUID WATER CONTENTSNOW DENSITYSNOW DEPTHSNOW GRAIN SIZESNOW/ICE TEMPERATURESNOW STRATIGRAPHYSNOW WATER EQUIVALENT
SnowEx20 Grand Mesa IOP BSU 1 GHz Multi-polarization GPR CMP Snow Water Equivalent, Version 1 (SNEX20_BSU_CMP_SWE) -
SNOW WATER EQUIVALENT
SnowEx20 Grand Mesa IOP BSU 1 GHz Multi-polarization GPR Raw, Version 1 (SNEX20_BSU_GPR_Raw) -
RADAR REFLECTIVITY
SnowEx20 Grand Mesa IOP BSU 1 GHz Multi-polarization GPR, Version 1 (SNEX20_BSU_GPR) -
SNOW DEPTHSNOW WATER EQUIVALENTTWO-WAY TRAVEL TIME
SnowEx20 Grand Mesa IOP BSU Multi-polarization 1 GHz GPR CMP Raw, Version 1 (SNEX20_BSU_CMP_Raw) -
COMMON MIDPOINT GATHER
SnowEx20 Grand Mesa IOP BSU Multi-polarization 1 GHz GPR CMP Travel-Times, Version 1 (SNEX20_BSU_CMP_TT) -
TWO-WAY TRAVEL TIME
SnowEx20 Grand Mesa IOP Computed Tomography Snow Microstructure, Version 1 (SNEX20_GM_CTSM) -
SNOW MICROSTRUCTURE
SnowEx20 Grand Mesa IOP CSU 1GHz GPR Raw, Version 1 (SNEX20_GM_CSU_GPR_RAW) -
RADAR REFLECTIVITY
SnowEx20 Grand Mesa IOP CSU 1GHz GPR, Version 1 (SNEX20_GM_CSU_GPR) -
SNOW DEPTHSNOW WATER EQUIVALENTTWO-WAY TRAVEL TIME
SnowEx20 Grand Mesa IOP Lidar and GPR-Derived Snow Water Equivalent and Snow Density, Version 1 (SNEX20_GM_SWE_SD) -
SNOW DENSITYSNOW DEPTHSNOW WATER EQUIVALENTTWO-WAY TRAVEL TIME
SnowEx20 Grand Mesa IOP QSI Lidar Snow Depth Data, Version 1 (SNEX20_GM_Lidar) -
DIGITAL ELEVATION/TERRAIN MODEL (DEM)VEGETATION HEIGHT
SnowEx20 Grand Mesa IOP UNM 800 and 1600 MHz MALA GPR, Version 1 (SNEX20_UNM_GPR) -
SNOW DEPTHSNOW WATER EQUIVALENTTWO-WAY TRAVEL TIME
SnowEx20 Grand Mesa Reference GIS Data Sets, Version 1 (SNEX20_GIS_REF) -
GEOLOCATION
SnowEx20 Grand Mesa Snow Depth from Snow Pole Time-Lapse Imagery, Version 1 (SNEX20_SD_TLI) -
SNOW DEPTH
SnowEx20 Jemez UNM 800 MHz MALA GPR, Version 1 (SNEX20_J_UNM_GPR) -
SNOW DEPTHSNOW WATER EQUIVALENTTWO-WAY TRAVEL TIME
SnowEx20 Laser Snow Microstructure Specific Surface Area Data, Version 1 (SNEX20_SSA) -
REFLECTANCESNOW GRAIN SIZESPECIFIC SURFACE AREA
SnowEx20 Raw Near Surface Snow Temperature Profile Time Series, Version 1 (SNEX20_VPTS_Raw) -
SNOW/ICE TEMPERATURE
SnowEx20 Senator Beck Basin Transect Ground Surface Temperature, Version 1 (SNEX20_SB_GST) -
SURFACE TEMPERATURE
SnowEx20 SnowMicroPen (SMP) Raw Penetration Force Profiles, Version 1 (SNEX20_SMP) -
SNOW STRATIGRAPHY
SnowEx20 Time Series Snow Pit Measurements, Version 2 (SNEX20_TS_SP) -
LIQUID WATER CONTENTSNOW DENSITYSNOW DEPTHSNOW GRAIN SIZESNOW/ICE TEMPERATURESNOW STRATIGRAPHYSNOW WATER EQUIVALENT
SnowEx20 Time-Lapse Imagery, Version 1 (SNEX20_TLI) -
VISIBLE IMAGERY
SnowEx20-21 Cameron Pass Derived Snowpack Relative Permittivities and Densities from Ground Penetrating Radar, Version 1 (SNEX20_COCP_SPD) -
SNOW DENSITYSNOW DEPTHSNOW WATER EQUIVALENTTWO-WAY TRAVEL TIME
SnowEx20-21 QSI Lidar DEM 0.5m UTM Grid, Version 1 (SNEX20_QSI_DEM) -
DIGITAL ELEVATION/TERRAIN MODEL (DEM)
SnowEx20-21 QSI Lidar DEM 3m UTM Grid, Version 1 (SNEX20_QSI_DEM_3m) -
DIGITAL ELEVATION/TERRAIN MODEL (DEM)
SnowEx20-21 QSI Lidar Snow Depth 0.5m UTM Grid, Version 1 (SNEX20_QSI_SD) -
-
SNOW DEPTH
SnowEx20-21 QSI Lidar Snow Depth 3m UTM Grid, Version 1 (SNEX20_QSI_SD_3m) -
-
DIGITAL ELEVATION/TERRAIN MODEL (DEM)
SnowEx20-21 QSI Lidar Vegetation Height 0.5m UTM Grid, Version 1 (SNEX20_QSI_VH) -
-
VEGETATION HEIGHT
SnowEx20-21 QSI Lidar Vegetation Height 3m UTM Grid, Version 1 (SNEX20_QSI_VH_3m) -
-
VEGETATION HEIGHT
SnowEx21 Cameron Pass Ground Penetrating Radar Raw, Version 1 (SNEX21_COCP_GPR_Raw) -
RADAR REFLECTIVITY
SnowEx21 Cameron Pass Ground Penetrating Radar, Version 1 (SNEX21_COCP_GPR) -
SNOW DENSITYSNOW DEPTHSNOW WATER EQUIVALENTTWO-WAY TRAVEL TIME
SnowEx21 Prairie Station Digital Surface Models from UAV-LiDAR, Version 1 (SNEX21_PS_DSM) -
DIGITAL SURFACE MODEL (DSM)
SnowEx21 Prairie Station Hourly Meteorological Data, Version 1 (SNEX21_PS_MET) -
AIR TEMPERATUREATMOSPHERIC PRESSUREWIND DIRECTIONWIND SPEED
SnowEx21 Prairie Station In Situ Dielectric Soil Moisture and Soil Temperature, Version 1 (SNEX21_DSM) -
SOIL MOISTURE/WATER CONTENTSOIL TEMPERATURE
SnowEx21 Senator Beck Basin and Grand Mesa, CO AVIRIS-NG Surface Spectral Reflectance, Version 1 (SNEX21_SSR) -
REFLECTANCE
SnowEx21 Time Series Snow Pits, Version 1 (SNEX21_TS_SP) -
LIQUID WATER CONTENTMANUAL WETNESSSNOW DENSITYSNOW DEPTHSNOW GRAIN SIZESNOW/ICE TEMPERATURESNOW STRATIGRAPHYSNOW WATER EQUIVALENT
SnowEx23 Airborne Lidar Scans Raw, Version 1 (SNEX23_Lidar_Raw) -
LIDAR
SnowEx23 Airborne Lidar-Derived 0.5M Snow Depth and Canopy Height, Version 1 (SNEX23_Lidar) -
DIGITAL ELEVATION/TERRAIN MODEL (DEM)SNOW DEPTHVEGETATION HEIGHT
SnowEx23 Apr23 AVIRIS-NG Surface Spectral Reflectance, Version 1 (SNEX23_Apr23_AVIRISNG) -
REFLECTANCE
SnowEx23 Bonanza Creek Experimental Forest Terrestrial Lidar Scans Raw, Version 1 (SNEX23_BCEF_TLS_Raw) -
-
LIDAR
SnowEx23 Bonanza Creek Experimental Forest Terrestrial Lidar Scans, Version 1 (SNEX23_BCEF_TLS) -
-
DIGITAL ELEVATION/TERRAIN MODEL (DEM)
SnowEx23 Colorado State University Ground Penetrating Radar Raw, Version 1 (SNEX23_CSU_GPR_Raw) -
RADAR REFLECTIVITY
SnowEx23 Corner Reflector Location and Orientation, Version 1 (SNEX23_CR) -
CALIBRATIONGEOLOCATION
SnowEx23 CRREL Ground Penetrating Radar Raw, Version 1 (SNEX23_CRREL_GPR_Raw) -
RADAR REFLECTIVITY
SnowEx23 CRREL Ground Penetrating Radar, Version 1 (SNEX23_CRREL_GPR) -
ICE DEPTH/THICKNESSSNOW DEPTHSNOW WATER EQUIVALENTTWO-WAY TRAVEL TIME
SnowEx23 Laser Snow Microstructure Specific Surface Area Data, Version 1 (SNEX23_SSA) -
SPECIFIC SURFACE AREA
SnowEx23 Laser Snow Microstructure Specific Surface Area Snow-off Data, Version 1 (SNEX23_SSA_SO) -
SPECIFIC SURFACE AREA
SnowEx23 Mar22 IOP Snow Depth Measurements, Version 1 (SNEX23_MAR22_SD) -
SNOW DEPTH
SnowEx23 Mar23 IOP Community Snow Depth Measurements, Version 1 (SNEX23_MAR23_SD) -
SNOW DEPTH
SnowEx23 Mar23 Mobile Tower-Based Dual-Pol C-Band, Version 1 (SNEX23_CBand) -
RADAR BACKSCATTER
SnowEx23 Mar23 Snow Pit Measurements, Version 1 (SNEX23_MAR23_SP) -
FOREST COMPOSITION/VEGETATION STRUCTURELIQUID WATER CONTENTMANUAL WETNESSSNOW DENSITYSNOW DEPTHSNOW GRAIN SIZESNOW/ICE TEMPERATURESNOW STRATIGRAPHYSNOW WATER EQUIVALENT
SnowEx23 Oct22 Ground Surface Roughness Imagery, Version 1 (SNEX23_OCT22_GSR_Raw) -
SURFACE ROUGHNESS
SnowEx23 Oct22 Ground Surface Roughness Reconstruction, Version 1 (SNEX23_OCT22_GSR) -
SURFACE ROUGHNESS
SnowEx23 Oct22 Laser Snow Microstructure Specific Surface Area Low-snow, Version 1 (SNEX23_OCT22_SSA)
REFLECTANCESPECIFIC SURFACE AREA
SnowEx23 Oct23 Ground Surface Roughness Imagery, Version 1 (SNEX23_OCT23_GSR_Raw) -
SURFACE ROUGHNESS
SnowEx23 Oct23 Ground Surface Roughness Reconstruction, Version 1 (SNEX23_OCT23_GSR) -
SURFACE ROUGHNESS
SnowEx23 Snow Water Equivalent, Version 1 (SNEX23_SWE) -
SNOW DENSITYSNOW DEPTHSNOW MASSSNOW WATER EQUIVALENT
SnowEx23 University of Wyoming Ground Penetrating Radar, Version 1 (SNEX23_UW_GPR) -
-
SNOW DEPTHSNOW WATER EQUIVALENTTWO-WAY TRAVEL TIME
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