Out for an early walk this morning to the Rio Grande, we found a river settling nicely back into its main channel after a couple of months during which we allowed it to play a bit. Since April, the river’s been up and out of the 600-foot wide channel dug for it in the late …
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. …
Continue reading ‘After a high-flow spring, Albuquerque’s Rio Grande is about to drop in a hurry’ »
A skeptical blog commenter suggested I was exaggerating the size of Cochiti Dam. I was not. Last year, on a bike ride to explore the area I am writing about for the new book, I rode NM16 up out of the Rio Grande Valley and around the dam’s southeastern flank to get a view of …
Continue reading ‘Yes, Cochiti Dam is really five miles long’ »
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 …
Continue reading ‘On Cochiti dam and the notion of “flooding”’ »
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. …
Rep. Melanie Stansbury, my congresswoman, is throwing her considerable political and water policy clout behind efforts to poke the U.S. Air Force into action on its malingering fuel spill on Albuquerque’s south side. Dani Prokop had a nice overview of the issues this morning in Source NM: Rep. Melanie Stansbury (D-N.M.) called Tuesday for the …
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 …
Continue reading ‘Ribbons of green and the sand hills beyond’ »
But when worlds collideSaid George Pal to his brideI’m gonna give you some terrible thrills – Richard O’Brien, Science Fiction Double Feature
After a couple of years of setback, the aquifer underneath the University of New Mexico neighorhood is rising again. The spring measurement shows that it’s risen three feet since last year around this time. The annual variability (the graph’s ups and downs) are the result of regional groundwater pumping for our municipal supply – more …
Continue reading ‘Albuquerque’s aquifer recovery seems to be returning’ »
In the early 1990s, a group of New Mexico scientists set up experimental plots at the Bosque del Apache National Wildlife Refuge on the Rio Grande south of Albuquerque for in an effort to determine what might happen when water was reintroduced to the flood-starved woods flanking the river. Their description of what happened is …
Continue reading ‘Bosque overbanking as the Rio Grande rises’ »