What Is A Digital Elevation Model (DEM) In LiDAR Surveying? - Archaeology Quest

Описание: What Is A Digital Elevation Model (DEM) In LiDAR Surveying? In this informative video, we'll explain everything you need to know about Digital Elevation Models (DEMs) in the context of LiDAR surveying. We'll start by defining what a Digital Elevation Model is and how it is generated from elevation data. You’ll learn about the technology behind LiDAR, which utilizes laser pulses to gather precise elevation points from the ground.

We will discuss the process of creating a DEM, including how LiDAR point cloud data is processed to isolate ground points, while removing any obstructions such as vegetation or buildings. This ensures that the resulting model accurately represents the terrain.

Additionally, we will highlight the significance of Digital Elevation Models in archaeology. You will discover how these models assist archaeologists in identifying subtle topographic variations that indicate buried or obscured archaeological features.

We’ll also differentiate between Digital Elevation Models and Digital Surface Models, explaining why the former is more useful for understanding the underlying landscape in archaeological contexts.

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