Lake Champlain Topobathy Lidar Data from NOAA, 2021

Lidar point cloud data for Southern Lake Champlain, New York, collected by the NOAA National Geodetic Survey between September 16 and October 21, 2021. The data includes topographic and bathymetric measurements classified according to ASPRS standards, such as ground, water surface, and submerged features. It may also include lidar intensity values.

Use Cases

• Modeling coastal terrain and underwater topography based on the classified point cloud data.
• Analyzing submerged aquatic vegetation distribution based on the specific classification for that feature.
• Creating digital elevation models (DEMs) for the lake region based on ground and water surface classifications.
• Studying coastal processes and erosion using the combined topographic and bathymetric data.

Strengths

• Data collected by the NOAA National Geodetic Survey, a recognized authoritative source.
• Point classification follows the established ASPRS standards, including categories for ground, water, and submerged features.
• Acquisition period is precisely documented as September 16 to October 21, 2021.

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 the specific survey area of Southern Lake Champlain.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Collected by the NOAA National Geodetic Survey Remote Sensing Division using a Leica Chiroptera 4X system.

Time Range

2021-09-16 to 2021-10 21

Freshness

Last updated 2026-03-13 20:55:54.332020; freshness should be verified.

Geography

Southern Lake Champlain, New York, USA