Hydraulics & Hydrology

When precipitation falls on land, in the short term, there are two places it can go: runoff to streams or infiltration into the ground. In the long term, evaporation also matters, but during a precipitation event, it isn’t important. Runoff...

Seminal papers are groundbreaking at the time of publication and remain influential many years later. I recently received word from the ASCE that my paper, “Battle of the Network Models: Epilogue,” published in the Journal of Water Resources Planning and...

Back in the dark ages (e.g., the 1980s) before everyone had video capabilities on their cell phones, creating a training video was a big production. Video cameras (and their batteries) weighed about 30 pounds and editing tools we crude. I...

AWWA recently announced the release of the fourth edition of its popular manual, M22-Sizing Service Lines and Meters. You might be thinking, “What could be new in sizing service lines?” For the most part, not much has changed, but there...

The term given to this process is “Daylighting” (although the term gets used in a lot of other situations). The American Rivers organization is one of the leading groups in the U.S. that promotes stream daylighting. Their definition is, “Stream...

I often title my blogs with a question that I’m very happy to try to answer. “What’s the Capacity of That Pipe?” is not one of those questions. Unless you make some simplifying assumptions such as “The pipe is flowing...