Topographic Surveying by Aerial LiDAR Drone

May 29, 2020 11:26 pm Published by Leave your thoughts

Traditionally, land surveying has been a time-consuming process that can be dangerous and expensive, depending on the specific characteristics of a particular tract. Land surveying determines the boundaries of a tract of land, which has long been done with tools like radios, drones, total stations, receivers and more that allow surveyors to accurately depict a piece of land.

With advances in technology, however, surveying has become faster and easier than ever. This is largely due to LiDAR drone technology, which can take a lot of the tedious, time-consuming and costly work out of surveying parcels of land. Topographic surveying with LiDAR drones is the future of the work of land surveyors in Mobile, AL, and the team at Polysurveying is proud to lead the charge.

What is a LiDAR drone?

LiDAR stands for “light detection and ranging,” which is a way to sense the boundaries and characteristics of land from another location. Generally, this data is collected by remote aerial drones, and can generate a 3D image of the surface of the earth, even if the area is covered in trees or other natural features. LiDAR can be used to map the land, but it’s also capable of penetrating water to get a better picture of the sea floor or other underwater areas.

LiDAR drones are simply aerial drones that have been equipped with LiDAR technology, enabling them to fly over the ground and return data and images regarding the terrain below. Because drones are lightweight and relatively inexpensive compared to planes and helicopters, they offer an advanced and economical way to perform land surveys, especially for large tracts of land.

How LiDAR is revolutionizing land surveying and observation

LiDAR technology makes it possible to learn detailed information about terrain, no matter how densely wooded or populated the area is. Industries have already adopted the technology to enhance their studies of archaeological sites, accident reconstruction and even mine inspections.

In land surveying, LiDAR is helpful to get a great amount of detail in a short amount of time—which makes it possible to get frequently-updated data over the course of a project. Traditional surveys of large tracts of land can take months to complete, to say nothing of the costs—LiDAR saves money and provides more data.

Projects that involve dirt moving, for example, require calculations to the square yard, which can be difficult to calculate normally. LiDAR can distinguish between trees, shrubs, dirt and even leaves in order to estimate exactly how much dirt you’ll need to move. The use of LiDAR drones for forest inventory is a growing sub-industry in Mobile, AL and beyond.

It’s also beneficial for irrigation planning, allowing farmers to get a better sense of where their specific challenges and assets may lie. Whether you need to build a levee or plan a canal system, LiDAR makes it faster and easier to gather the data and make decisions.

Are you interesting in working with LiDAR technology for your next surveying project? Polysurveying can help—call us today to get started.

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