Airborne laser bathymetry (ALB), also referred to as bathymetric laser scanning or bathymetric lidar…
Tag: Airborne
59th Photogrammetric Week, Stuttgart, 1-4 April 2025
Standard of presentations hits new high
Readers of this journal know the Photogrammetric Week (Photogrammetrische Woche – PhoWo) and its 116-year history (Fritsch, 2005). The 59th one attracted 212…
The Case for High Point Density Lidar
Does the economic law of diminishing marginal returns apply to lidar point density? Economics 101 teaches us the law (or principle) of diminishing…
Mapping Green Carbon
How lidar is saving Ecuador’s tropical dry forests
Among the world’s most biodiverse ecosystems, tropical dry forests serve as vital carbon sinks and are teeming with life that supports human existence….
Century-Old Maps of Ochlockonee Shoal Updated with Topobathymetric Lidar
New survey combats dangers to shipping in Florida’s Big Bend
A pronounced shallow area, known as the Ochlockonee Shoal, lies in the Gulf of Mexico about eight miles off the Big Bend of…
Airborne Lidar: A Tutorial for 2025
Part I: Lidar basics
Since the beginning of the 21st century, airborne lidar (light detection and ranging) has entirely revolutionized topographic data acquisition. National mapping agencies around…
Finding Connecticut’s Historic Buildings In High-Density Lidar Point Clouds
Today’s point densities and processing tools facilitate new applications
Most familiar lidar applications, such as terrain modeling, land development, and hydrology, focus on the bare-earth model, a digital terrain model (DTM), which…
Next-Generation Geiger-Mode Lidar Systems
3DEO advancing Geiger-mode lidar technology
Geiger-mode (GM) lidar has been operationally proven by the US military since 20101 and is seeing renewed interest in the commercial geospatial world….
The Case For (and Against) Propagated Uncertainty in Aerial Topographic Lidar, Continued!
Total Propagated Uncertainty must take into account the relationships between the datums defined by the ground control points and the inertial navigation system,…
Florida Lidar in the Fall
Synopsis of the 17th UF/FL-ASPRS Lidar/Geospatial Workshop
State agency updates The Workshop started with 10-minute briefings from several state agencies focused on Florida-based projects. Suwannee River Water Management District (Paul…