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The 3D Elevation Data Program is a Game-Changer

For decades, engineers have relied on a patchwork of data consisting of field surveys, orthographic photos, and other sources to piece together baseline topographic data for infrastructure design…

Experiments in Flood Risk Assessment

As cities grapple with flood preparedness, a strategy known as “stochastic storm transposition” (SST) is increasingly viewed as a tool useful for flood risk assessment. Today, the method…

Findings from the World Meteorological Organization’s newly released Global Climate Report (2025)

If only the most alarming trends we are witnessing lately—warming oceans, heat waves in the Arctic and record high temperatures elsewhere—could be credited to normal fluctuations. But the…

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GeoHECRAS can now import AutoCAD Civil 3D Surfaces, ArcInfo Elevation Grid Files, and more…

GeoHECRAS can now import AutoCAD Civil 3D Surfaces, ArcInfo Elevation Grid Files, and more… As requested by our users, the following elevation data file formats can be used for cutting HEC-RAS cross sections and generating detailed floodplain maps: ArcInfo ASCII Elevation Grids ArcInfo Binary Elevation Grids ArcInfo Contour Shapefiles ArcInfo Elevation Point...

‘The Water Will Come’ Examines the Science, Politics and Humanitarian Crises Posed by Rising Sea Levels

Although rarely the topic of mainstream media reports, in many coastal communities planners, engineers and other municipal officials are hard at work on a very particular mission: how to keep the sea out of the city. In many parts of the world, the ocean regularly laps at people’s doors and pushes into...

How Projects Upstream have a Major Ripple Effect Downstream

Construction is over half complete on what will be the 7th largest dam in the world. The Grand Ethiopian Renaissance Dam on the Blue Nile River in Ethiopia will generate 6450 MW of electricity annually. Considered the largest hydroelectric dam in the history of Africa, once complete it will take 5 to 15...