Airborne Lidar

Since the first commercial airborne Lidar systems appeared on the market in the mid-1990s, it has become one of the main geodata technologies for capturing dense point clouds. GIM International made a selection of the most exciting articles we have published on this topic over the past couple of years, ranging from bathymetric Lidar and photon Lidar to applications like forestry, heritage mapping and wildlife management.

 

Must Read

Sensor Technology Evolving in Many Directions

As Lidar is a hot topic in the geomatics industry with numerous fields of applications, 'GIM International' decided to ask Michel Stanier, chief operating officer of Teledyne Optech, to answer five questions in the context of... (read more)
Most Read

Lidar’s Next Geospatial Frontier

Over the past two decades, airborne Lidar has evolved from a developmental technology into a well-established mapping solution, and in the process has revolutionised the surveying and mapping industry. Today, unmanned aerial... (read more)
About the Focus Stories

Every month we will focus on a specific theme, featuring a selection of articles which have previously been published in GIM International magazine, to present a complete recap of the subject. If you don't want to miss these themed recaps, sign up for the newsletter (sign up here).

Airborne Lidar

Bringing Colour to Point Clouds

Until now, most commercially available airborne Lidar systems have operated on one single wavelength, reflecting energy from a pulse which is then used for classification or visualisation. New developments have produced the f... (read more)

Photon Lidar, a Promising Advance in Mapping Applications

Airborne Lidar has matured over the last two decades into a mapping technology routinely used for 3D modelling of urban areas, capturing boreal forests, seabed mapping and many other applications all over the world. The speed... (read more)

Wildlife Management Using Airborne Lidar

The traditional sampling protocol for quantifying potential nesting habitat for murrelet requires an observer to peer up through the tree crown from the forest floor, a task resulting in data of dubious quality. Two-dimension... (read more)

Technology in Focus: Bathymetric Lidar

With sea level rise and increases in the severity of extreme natural events, there has been a renewed push to further our understanding of the coastal zone. Fundamental to understanding risk in areas of high vulnerability is... (read more)
Airborne Lidar

Lidar, Imagery and InSAR for Digital Forestry

Benoît St-Onge is a professor at the University of Quebec in Montreal, Canada. He works at the Department of Geography with a major research interest in 3D remote sensing for forest analysis. 'GIM International' re... (read more)

Airborne Lidar in Rainforest

At the experimental forest site Paracou in French Guiana, a range of data is being collected to enable the short-term dynamics within the tropical rainforest canopy to be better understood and quantified. Airborne laser scann... (read more)

Lidar Survey over Ancient Maya City

The ancient Maya site of Copan, Honduras, was captured during an airborne Lidar survey in May 2013. The resulting products are accessible through 2D and 3D WebGIS tools and enable archaeologists to collaborate online. This in... (read more)
 
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