What is LiDAR Surverying?


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If you’re a client looking for laser scanning solutions, you should really consider LiDAR surveying. LiDAR is short for Light Detection and Ranging, and according to the National Oceanic and Atmospheric Administration (NOAA), it is a remote sensing method used to determining the surface of the Earth. But just how can this surveying method help you?

1. It’s quick and accurate

One of the biggest advantages to LiDAR technology is that data can be collected quickly and with very good accuracy. There is less dependency on humans as the majority of the process is automated. This is a sharp contrast to the amount of human dependency needed for other surveying methods like photogrammetry, GPS or land surveying.

2. It’s great for different surfaces

LiDAR’s surface data has a higher sample density. This means that results are more accurate when it comes to applications like floodplain delineation and other water infrastructure. When it comes to water resources, it’s imperative to be able to estimate different magnitude floods, and LiDAR technology makes that possible. This information is used to assess flood control factors such as risk for insurance, emergency management, and planning.

3. Data can be collected at any time of the day

As opposed to traditional photogrammetric techniques, LiDAR technology allows for your to collect data for civil engineering management and projects during the day or night. It can also be done during times where the weather might be optimal.

4. You don’t have to deal with distortions

Some other versions of traditional photogrammetric techniques ends up giving you distrotions, whereas LiDAR technology does not, making it easier to read and more accurate.

When to consider using LiDAR

While LiDAR surveying does have many benefits to offer civil engineering companies, it might not be necessary for your project. The cost might outweigh the benefits for some, but for others, it might be necessary and actually be more cost-effective because it will result in more accurate data. The cost of using LiDAR surveying depends on many different factors like project scope, location, and point density. However, a high density data set might not be needed for your project.

Are you interested in LiDAR surveying? Let us know in the comments below!

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