Most Interesting Uses for LIDAR

Most Interesting Uses for LIDAR

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August 23rd, 2018|Tags: , |

By Nick Del Giudice, American Forests 

As was covered in the first part of this series, LiDAR is a laser imaging technology that can provide insight on and mapping of landscapes, whether in the urban jungle or the actual rainforest. LiDAR is a tool that can be adapted to many diverse uses, and here is a list of the most surprising ones! 

Agriculture

LIDAR in agriculture

Credit: APO Geospatial

By using carefully constructed LiDAR maps of agricultural land, farmers can better understand where the sun will shine strongest, and which of their crops could use more water or fertilizer. This information can lead to higher crop yields and more stability for the technologically apt farmer. 

Pollution Modelling

Pollution LIDAR map

Instead of bouncing off the ground, the lasers bounce off particulate matter in the air, allowing for rapid air quality assessments. Credit: NASA

LiDAR can detect and map gases such as carbon dioxide and methane. This data is aggregated into pollution density maps. By knowing where the pollutants are congregating, it is possible to better mitigate or avoid the effects of the pollutants. 

Archaeology  

LIDAR in archaeology

LiDAR imaging can spot long-forgotten human interaction with the environment, leading to new archaeological finds. Credit: GIS Lounge

Archaeologists are using LiDAR images to detect subtle changes in topography that may indicate a dig site. This can save a great deal of time instead of searching on the ground for the same evidence. Additionally, some sites may not be visible at all from the ground, and the aerial images can lead to sites that would otherwise never be found. 

Video Games

LIDAR in video games

In Introversion Software’s 2017 game, Scanner Sombre, the player can only see their enemies and the obstacles of a vast cavern via a LiDAR scanner. In other games, LiDAR scans have been used to accurately recreate real environments. Photo Credit: Introversion Software, Scanner Sombre

LiDAR is being used to scan and model real-life locations that can then be turned into animations and interactive environments in the game. The LiDAR scanner could be used to get exact measurements of a landmark so it is to scale in the game setting.

Self-driving Cars  

LIDAR used for self-driving cars

Using LiDAR, self-driving cars will someday ride the roads with pedestrians. Credit: Wired

Self-driving cars have made many developments in recent history. One of the key technologies to their growth is — you guessed it — LiDAR. Light emitter and sensors can be placed around the car to show a computer where objects are located around the vehicle, enabling the vehicle to maintain position in relation to traffic or, more dramatically, stop a vehicle about to crash. 

Urban Planning

LIDAR for urban planning

With a 3D digitized view of an urban space, city planners, foresters, and residents can make more strategic use of their space while learning about the environment they live in. Credit: Built Environment and Health Research Group, Columbia University

Just like wildlands, urban environments are a veritable jungle with all manner of protrusions, buildings, people and a variety of other structures, such as trees! Having detailed images of this urban ecosystem altogether can allow urban planners to more fully understand what they are dealing with and address the issues facing our cities, particularly regarding urban greenspace and forests. 

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The post Most Interesting Uses for LIDAR appeared first on American Forests.

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