Antarctic Lidar Point Cloud for Davis and Heidemann Valley

November 2009 lidar scanning of the Davis and Heidemann Valley area in Antarctica's Vestfold Hills, conducted by the Australian Antarctic Division. The data was captured specifically to create a Digital Elevation Model of the region. The dataset includes processed point cloud files in LAS format and an accompanying processing report.

Use Cases

• Generate a high-resolution Digital Elevation Model from the LAS point cloud data.
• Analyze terrain elevation and surface features in the Vestfold Hills region for glaciological studies.
• Use the XYZ coordinates and intensity values within the LAS files to classify ground vs. non-ground points.
• Validate or calibrate satellite-derived elevation data against this airborne lidar dataset.
• Study temporal changes in Antarctic coastal topography when compared with newer surveys.

Strengths

• Data captured in November 2009, providing a specific temporal snapshot of Antarctic terrain.
• Includes a detailed report on the lidar data processing methodology.
• Targeted coverage of the distinct Davis and Heidemann Valley area within the Vestfold Hills.

Limitations

• Dataset is over a decade old, limiting its utility for analyzing recent environmental changes.
• Specific technical details like point density, accuracy, and spatial extent are not provided in the description.
• The raw data from the original aerial survey is stored in a separate metadata record, requiring a join for complete provenance.

Provenance

Source

Australian Antarctic Division, via NASA's Earthdata platform.

Collection Method

Airborne lidar scanning.

Time Range

November 2009.

Freshness

Single collection event in November 2009; no update frequency.

Geography

Davis and Heidemann Valley area, Vestfold Hills, Antarctica.