87 datasets

NASA Earthdata CMR2026 · Array · NetCDF

This dataset contains semi-automatically picked snow depths from FMCW radar transects in Grand Mesa, Colorado, as part of the NASA SnowEx 2020 field campaign. Available parameters include two-way travel time and calculated snow depth. Also included are the processed radiogram files, which were used to determine two-way travel time, formatted as netCDF files.

NASA Earthdata CMR2026 · Table · CSV

This data set contains two-way travel time data calculated using the results of 1 GHz ground-penetrating radar surveys conducted at Banner Summit, as part of the SNEX21 Time Series campaign in the Boise River Basin, Idaho.

NASA Earthdata CMR2026 · Array · NetCDF

This dataset contains semi-automatically picked snow depths from FMCW radar transects in Reynold's Mountain East, in the Reynold's Creek Experimental Watershed, Idaho. Available parameters include two-way travel time and calculated snow depth. Also included are the processed radiogram files, which were used to determine two-way travel time.

NASA Earthdata CMR2025 · Table · CSV

This data set contains the results of 1 GHz ground-penetrating radar surveys conducted as part of the NASA SnowEx23 field campaign in Alaska, USA. Surveys were conducted at three different field sites between 07 March 2023 and 16 March 2023: 1) Farmers Loop/Creamers Field (FLCF), 2) the Bonanza Creek Experimental Forest (BCEF), and 3) the Caribou/Poker Creek Research Watershed (CPCW). Parameters i

NASA Earthdata CMR2024 · Array · NetCDF

This data set contains the results of 1 GHz ground-penetrating radar surveys conducted at the Upper Kuparuk/Toolik (UKT) site in northern Alaska, USA as part of the NASA SnowEx 2023 field campaign. Data were collected between 08 Mar 2023 to 15 Mar 2023, spatially coinciding with snow pit locations and along transects between snow pits. Data include georeferenced multichannel ground-penetrating rad

NASA Earthdata CMR2024 · Table · CSV

This data set contains the results of 1 GHz ground-penetrating radar surveys conducted at the Upper Kuparuk/Toolik (UKT) site in northern Alaska, USA as part of the NASA SnowEx 2023 field campaign. Data were collected between 08 Mar 2023 to 15 Mar 2023, spatially coinciding with snow pit locations and along transects between snow pits. Data include two-way travel (TWT) time, calculated snow depth,

NASA Earthdata CMR2024 · Table · CSV

This data set contains the raw results of 1 GHz ground-penetrating radar surveys conducted as part of the NASA SnowEx23 field campaign in Alaska, USA. Surveys were conducted at three different field sites between 07 March 2023 and 16 March 2023: 1) Farmers Loop/Creamers Field, 2) the Bonanza Creek Experimental Forest, and 3) the Caribou/Poker Creek Research Watershed.

NASA Earthdata CMR2024 · Raster · GeoTIFF

This data set contains snow water equivalent (SWE) and snow density raster data derived from a lidar-based snow depth data set (<a href="https://doi.org/10.5067/M9TPF6NWL53K">SnowEx20 Grand Mesa IOP QSI Lidar Snow Depth Data, Version 1</a>), a lidar-based digital terrain model (<a href="https://doi.org/10.5067/2EHMWG4IT76O">ASO L4 Lidar Point Cloud Digital Terrain Model 3m UTM Grid, Version 1</a>)

NASA Earthdata CMR2024 · Table · CSV

This data set contains the results of ground-penetrating radar surveys conducted at Cameron Pass, Colorado during the SnowEx20 campaign. Data include two-way travel time, lidar-measured snow depth, derived snow water equivalent, derived snow density, and derived relative permittivity. Ground-penetrating radar two-way travel times were sourced from two previously published data sets: <a href="https

NASA Earthdata CMR2022 · Table · CSV

This data set contains the raw files from ground-penetrating radar surveys conducted at Cameron Pass, Colorado during the SnowEx21 campaign. Data were collected between 13 January 2021 and 27 May 2021.

NASA Earthdata CMR2022 · Table · CSV

This data set contains the results of 1 GHz ground-penetrating radar surveys conducted at Cameron Pass, Colorado during the SnowEx21 campaign. Data include two-way travel time, pit-measured snow density, calculated snow depth, and calculated snow water equivalent. Data were collected between 13 January 2021 and 27 May 2021.

NASA Earthdata CMR2021 · collection

Ground penetrating radar (GPR) is an active geophysical technique that uses high frequency radio waves to map the subsurface. The basic principle of GPR measurements is the transition of electromagnetic pulses of suitable frequency down into the ground through a transmitting antenna, and to detect the reflected energy as a function of time, amplitude and phase from any subsurface targets through a

NASA Earthdata CMR + NASA Data Portal2021 · Image data

This dataset provides soil thaw depth and moisture (STDM) measurements and dielectric properties measured by different research teams at sites in Alaska, U.S., and the Northwest Territories, Canada. There are multiple observations per site and 352,719 total observations. The dataset includes 206,000 observations of active layer thickness measured by mechanical probing (6.0%) or ground penetrating

NASA Earthdata CMR2021 · collection

These radargrams were collected as part of the ICECAP (International Collaborative Exploration of the Cryosphere through Airborne Profiling) collaboration in 2015/16 (ICP7). These data were in part funded by the US National Science Foundation (SPICECAP; grant PLR-1443690 to UTIG), ACE-CRC and the G. Unger Vetlesen Foundation, and supported by the Australian Antarctic Division through project AAS-4

NASA Earthdata CMR2021 · Table · CSV

This data set the raw files collected with a Sensors & Software 1GHz ground penetrating radar (GPR) as part of the SnowEx 2020 Intensive Observation Period (IOP) at Grand Mesa, Colorado between 06 February 2020 and 09 February 2020. The more processed data are published in SnowEx20 Grand Mesa IOP CSU 1GHz GPR, Version 1 (DOI: 10.5067/S5EGFLCIAB18)

NASA Earthdata CMR2021 · Table · CSV

This data set contains two-way travel times, snow depth and snow water equivalent (SWE) collected with a Sensors & Software 1GHz ground penetrating radar (GPR) as part of the SnowEx 2020 Intensive Observation Period (IOP) at Grand Mesa, Colorado between 06 February 2020 and 09 February 2020. These data are derived from the SnowEx20 Grand Mesa IOP CSU 1GHz GPR Raw, Version 1 data set (DOI: 10.5067/

NASA Earthdata CMR2021 · Table · CSV

This data set contains two-way travel times from a ground penetrating radar survey conducted at Jemez, New Mexico. Data were collected between 12 February 2020 and 04 March 2020 as part of the SnowEx 2020 campaign.

NASA Earthdata CMR2021 · Table · CSV

This data set contains two-way travel times, snow depth and now water equivalent from a ground penetrating radar survey conducted at Grand Mesa, Colorado. Data were collected between 28 January 2020 and 06 February 2020 as part of the SnowEx 2020 campaign.

NASA Earthdata CMR2021 · Table · CSV

This data set contains the results of ground-penetrating radar surveys conducted at Cameron Pass, Colorado during the SnowEx20 campaign. Data include two-way travel time, pit-measured snow density, calculated snow depth, and calculated snow water equivalent. Data were collected between 18 December 2019 and 12 March 2020

NASA Earthdata CMR2021 · Table · CSV

This data set contains the raw files from ground-penetrating radar surveys conducted at Cameron Pass, Colorado during the SnowEx20 campaign. Data were collected between 18 December 2019 and 12 March 2020.

NASA Earthdata CMR2021 · Image data

This data set was collected during the SnowEx 2020 Intensive Observation Period (IOP) in Grand Mesa, Colorado. These data contain the radar two-way travel times from a Sensors & Software pulseEKKO PRO 1 GHz multi-polarization ground penetrating radar (GPR). Data were collected at three locations around Grand Mesa IOP snow pits 2N12 and 1S8 (see DOI: 10.5067/DUD2VZEVBJ7S for more details on Grand M

NASA Earthdata CMR2021 · Array · NetCDF

This data set was collected during the SnowEx 2020 Intensive Observation Period (IOP) in Grand Mesa, Colorado. These data contain the geolocated, unprocessed, common midpoint (CMP) gathers from a Sensors & Software pulseEKKO PRO 1 GHz multi-polarization ground penetrating radar (GPR). Multi-offset gathers were collected by placing antennas on the snow surface and expanding the antenna separation a

NASA Earthdata CMR2021 · Image data

This data set was collected during the SnowEx 2020 Intensive Observation Period (IOP) in Grand Mesa, Colorado. These data contain snow water equivalent (SWE) estimates. SWE is derived from Sensors & Software pulseEKKO PRO 1 GHz multi-polarization ground penetrating radar (GPR) two-way travel times. Data were collected at three locations around Grand Mesa IOP snow pits 2N12 and 1S8 (see DOI: 10.506

NASA Earthdata CMR2021 · Table · CSV

This data set contains snow water equivalent (SWE) and snow depth estimates derived from Ground Penetrating Radar (GPR) measurements. GPR measurements were collected during the SnowEx 2020 Grand Mesa Intensive Observation Period (IOP) between 28 January and 04 February 2020. Snow depth was estimated from GPR two-way travel times and average radar velocity; SWE was estimated from snow depth and sno

NASA Earthdata CMR2020 · Array · NetCDF

This data set contains the geolocated, unprocessed results of a ground penetrating radar survey conducted as part of the 2020 SnowEx campaign. Data were collected at Grand Mesa, Colorado (a snow-covered, forested study site) between 28 January 2020 and 04 February 2020.