Tundra Vegetation LiDAR and Photographs from Atqasuk, Alaska

LiDAR measurements and photographs were collected in August 2011 to create Digital Elevation Models of tundra vegetation at a research site in Atqasuk, Alaska. The data includes panoramic pictures from a researcher and images from the LiDAR device itself, captured from six positions around the NIMS grid. The dataset was produced by the organization SCIOPS.

Use Cases

• Generate high-resolution Digital Elevation Models (DEMs) from the LiDAR point-cloud data for terrain analysis.
• Analyze tundra vegetation structure and height by correlating LiDAR-derived elevation data with ground-level photographs.
• Conduct photogrammetric studies by using the set of panoramic photographs to create 3D reconstructions of the site.
• Validate and calibrate LiDAR sensor data by comparing device-captured images with researcher-taken photographs from the same positions.

Strengths

• Data collection involved six distinct LiDAR sensor positions, providing multiple perspectives of the grid.
• Includes both LiDAR-derived geospatial data and supporting photographic evidence from a single field campaign.

Limitations

• The dataset is from a single time point (August 2011), offering no temporal analysis of vegetation change.
• Specific technical details like point density, photo resolution, and spatial extent are unknown.
• The sample size (number of photos, LiDAR scan area) is not quantified in the provided description.

Provenance

Source

SCIOPS via NASA Earthdata.

Collection Method

Field collection using LiDAR equipment and photographic cameras at the NIMS grid site.

Time Range

August 2011.

Freshness

Single collection event; data is from 2011.

Geography

Atqasuk, Alaska, USA; specifically the NIMS grid tundra vegetation site.