Northern Alaska ground surface roughness point clouds collected during the NASA SnowEx 2023 field campaign between 23 and 25 October 2022. The data are compiled from digital camera images acquired from 13 snow pits at the Upper Kuparuk and Toolik study site. The raw imagery is available as a separate dataset.
Use Cases
- Modeling snow surface roughness for radiative transfer simulations based on point cloud data
- Analyzing terrain variability in arctic tundra environments based on data from 13 snow pits
- Developing computer vision algorithms for surface reconstruction from imagery based on the derived point clouds
- Calibrating remote sensing instruments for snow studies based on ground-based roughness measurements
Strengths
- Data collected during a focused NASA field campaign (SnowEx 2023)
- Point clouds derived from imagery from 13 specific snow pits
- Geographic scope is clearly defined as the Upper Kuparuk and Toolik site in Northern Alaska
Limitations
- Column-level documentation is absent; field semantics must be inferred after download
- Row count is unknown, which may limit suitability assessment
- Data may reflect geographic bias inherent to nasa_earthdata, being limited to a single arctic site
Provenance
- Source
- NSIDC_CPRD
- Collection Method
- Compiled from digital camera images acquired from snow pits.
- Time Range
- 2022-10-23 to 2022-10-25
- Freshness
- Last updated 2022-10-25 23:59:59.999000; freshness should be verified
- Geography
- Upper Kuparuk and Toolik study site, Northern Alaska, USA