DTM (Digital Terrain Model)

A Digital Terrain Model (DTM) is a computer-generated representation of the Earth's surface, displaying its terrain features such as hills, valleys, and flat areas. Unlike a simple map, a DTM includes elevation data, allowing for three-dimensional visualization of the landscape. It is created using data from sources like satellite imagery, aerial surveys, and ground measurements. DTMs are used in various fields, including geography, urban planning, and environmental studies, to analyze landforms, manage resources, and simulate natural processes like water flow and erosion. Overall, they provide crucial information for understanding and managing the physical environment.