Oxbows and Meanders

I found this tangled map, created in 1944, over on the ever-fruitful NASA web site for the Earth Observatory. It shows historical changes along a stretch of the Mississippi River. I stumbled upon it while looking at a small collection of river surveys from 1865, and comparing them to modern Google maps. There was this…

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Pulse Taking

‘Long memory’ is a term used in probability analysis. It originated in hydrology to predict flood patterns on the Nile River. But do rivers remember where they once flowed? A large pulse of water was released along the Colorado River this year, an historic ecological undertaking meant to restore the once-lush downriver sections and delta.…

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Transboundary Pulse

It’s a strange notion, the cutting off of water across an invisible territorial boundary. There are few actions we can take as humans – both for communities and for the environment – that are more baldly assertive than diverting rivers and water flow. The Colorado River delta sits at the very end of the 2330…

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