NASA 2007_GR_NASA Project: Greenland Surface Elevation from Airborne Lidar

Surface elevation data over Greenland measured by the NASA Land, Vegetation, and Ice Sensor (LVIS), an airborne lidar scanning laser altimeter. The dataset is hosted on AWS Open Data and requires an Earthdata Login account for access. It is licensed under CC-BY-4.0.

Use Cases

• Modeling ice sheet mass balance and changes based on surface elevation measurements.
• Calibrating and validating satellite altimetry data over Greenland.
• Analyzing topographic features and surface roughness of the Greenland ice sheet.
• Studying the impact of climate change on polar ice elevation over time.

Strengths

• Data collected by NASA's LVIS instrument, a specialized airborne lidar system.
• Focuses on the Greenland ice sheet, a critical region for climate studies.
• Available under a permissive CC-BY-4.0 license.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

NASA Land, Vegetation, and Ice Sensor (LVIS).

Collection Method

Airborne lidar scanning laser altimeter measurements.

Time Range

2007 (inferred from project title).

Freshness

Last updated date is unknown.

Geography

Greenland.