Definition: Hydrology and Hydraulics

29/11/2023

Hydrology is the study of the distribution and movement of water on the Earth's surface and in the subsurface. Hydrologists use mathematical models to simulate…

Planet Picture: Zagros Mountains

22/11/2023

The patterns and colours in the Zagros Mountains (Iran) make for an interesting and unique landscape, as we can see in this infrared view. There…

Five Ways to Depict Elevation

10/11/2023

A digital elevation model (DEM) is merely an image where each pixel represents the average height above mean sea level for the area that it…

We Value Information

01/11/2023

Providing information and data might be a trendy thing to do these days, but for us it's more than that. Providing the information we have…

Showcase: Flow Network

30/10/2023

Curious about how the natural flow of water is determined? It's all about the terrain! The terrain, or topography, of an area plays a crucial…

Comparison: Height Above Nearest Drainage (HAND) vs Flood Hazard Index (FHI)

27/09/2023

Derivatives of digital elevation models are ideal for identifying flood-prone areas. For instance, the height above nearest drainage (HAND) derivative shows the height difference between…

Comparison: Curvature Plan vs Curvature Profile

23/08/2023

Curvature derived from digital elevation models (DEMs) is a measure of the shape of the Earth's surface. It can be used to identify areas that…

Showcase: Solar Radiation

02/08/2023

Our solar radiation product enables you to identify areas with the highest and lowest potential incoming energy from the sun. This is essential for climate…

Definition: Terrain Analysis

26/07/2023

Terrain Analysis is a powerful tool that can be used to better understand the Earth's surface and its potential impacts on human activities. Moreover, as…

Planet Picture: Meta River

19/07/2023

The Meta River forms part of the border between Colombia and Venezuela. In this picture, however, it can easily be confused with an artery in…