PlanetObserver has released PlanetDEM, its new global Digital Elevation Model (DEM) with a 30m and a 90m resolution. This new DEM offers an updated, reliable, and homogeneous 3D dataset of the entire ...

Digital Elevation Models (DEMs) serve as the backbone of modern geospatial analysis, offering a quantitative representation of Earth's terrain. By capturing topographic variations with increasing ...

Karst landscapes are formed primarily by the dissolution of soluble rocks such as limestone, leading to distinctive features including sinkholes, dolines, caves, and underground drainage systems.

Exactly fifteen years ago, the German TanDEM-X mission began its operational data acquisition to generate a global elevation model of the Earth. Today, this digital elevation model (DEM) is a global ...