#GeographyByBike – Riding the Ribbons

My mental map as I ride my bike across Albuquerque’s Rio Grande Valley floor has grown increasingly complex in the last six months as we’ve added layer upon layer of historic maps to the research for our forthcoming book Ribbons of Green: The Rio Grande and the Making of a Modern American City. Yesterday morning, …

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After a high-flow spring, Albuquerque’s Rio Grande is about to drop in a hurry

We’ve been having a great year on the Rio Grande through Albuquerque, with overbanking flows to delight the river nerds and mosquitos alike. But this is about to change. Beginning next week (June 26, 2023), the Army Corps of Engineers will begin dropping flows out of Cochiti Reservoir, the main stem dam upstream of town. …

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The Stotts Lateral: new candidate for “Albuquerque’s Most Urban Ditch”

My search for Albuquerque’s “Most Urban Irrigation Ditch” took us yesterday to the Stotts Lateral in the North Valley. The Stotts is about a half mile long, carrying water under the railroad tracks from the Alameda Lateral to the Alameda Drain. The east half is underground. The west half, tiny and concrete-lined, is an urban …

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On Cochiti dam and the notion of “flooding”

Rio Grande flow dropped this week through Albuquerque, at a time when we should expect it to be rising with the accelerating melt of an unusually large snowmelt. What’s up with that? The answer (see below, I’m can’t figure out how to tl;dr this) is a case study in the stuff we’re trying to explain …

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Dust on snow seems to be increasing the chances of Rio Grande drying this year through Albuquerque

We have a chance this year to watch a fascinating intersection of climate-change driven changes in the Rio Grande through Albuquerque as filtered through both physical infrastructure and what we call the “institutional hydrograph”. The tl;dr Dust on snow is likely to accelerate Rio Grande headwaters snowmelt, meaning all that stored water comes off earlier. …

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Ribbons of green and the sand hills beyond

There’s a weird bench at the edge of a lovely little ten acre patch of desert sand hill scrub a ten minute walk from my office at the UNM School of Law. The path circles the edge of the university’s north golf course, which is green and lovely in its pumped-groundwater way. The path (It’s …

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