Alaska's boreal forest and coastal tundra environments provide the geographic scope for this data set. It contains digital terrain models, snow depth, and canopy height derived from airborne lidar scans collected during the NASA SnowEx 2023 field campaign. The data are provided by NSIDC_CPRD and were last updated in October 2023.
Use Cases
- Model snow water equivalent based on lidar-derived snow depth measurements.
- Analyze forest canopy structure and biomass based on canopy height models.
- Study terrain and snow distribution patterns in boreal and tundra ecosystems.
- Validate satellite-based snow or vegetation products based on high-resolution airborne data.
- Assess changes in snow cover and land surface features over time based on digital terrain models.
Strengths
- Data is derived from a scanning lidar system, suggesting high spatial precision.
- Coverage includes two distinct Alaskan environments: boreal forest and coastal tundra.
- Raw source data is available as a separate, linked dataset for verification.
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, focused on specific Alaskan sites.
Provenance
- Source
- NSIDC_CPRD
- Collection Method
- Derived from Point Cloud Digital Terrain Models (PCDTMs) from airborne lidar scans.
- Time Range
- 2023
- Freshness
- Last updated 2023-10-25 23:59:59.999000; freshness should be verified.
- Geography
- Alaska, USA (Bonanza Creek Experimental Forest, Caribou Poker Creek watershed, Farmer's Loop/Creamer's Field, Arctic coastal plain, Upper Kuparuk Toolik)