A rainbow, a river, and the first cranes of fall

Autumnal equinox news briefs: I was on the phone in the front room of our house yesterday evening, facing east, as the setting sun dropped beneath the clouds after a short burst of rain. Rainbow. And the conversation, with the cousin of an old friend who died earlier this year, was rich. The Rio Grande …

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The Rio Puerco was running today

Deepening and widening of stream channels in the Southwest is a phenomenon that has taken place within the memory of men now living. It began at different dates from 1860 on and has progressed at different rates on several streams, as summarized in a recent paper.²? The flood plains of numerous minor streams are yet …

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Analysis of Colorado River Basin Storage Suggests Need For Immediate Action

By Jack Schmidt,1 Anne Castle,2 John Fleck,3 Eric Kuhn,4 Kathryn Sorensen,5 Katherine Tara,6 While Colorado River Basin attention is focused on negotiating post-2026 operating rules, a near term crisis is unfolding before our eyes. If no immediate action is taken to reduce water use, our already-thin buffer of storage in Lake Powell and Lake Mead …

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Rio Abajo and the Unit 7 Drain

NEAR THE CONFLUENCE OF THE RIO PUERCO AND THE RIO GRANDE – The broad delta where the Rio Puerco meets the Rio Grande in central New Mexico has never been a great place to live, though people try. To the east, across the river, the Ancestral Puebloan Piro built the village Spanish colonizers named “Sevilleta” …

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New Mexico’s Dry Middle Rio Grande: More Data Visualizations

Alert Inkstain reader Rolf asked in the comments of last weekend’s post for a version of the above graph – number of days of low flow at the Central Avenue Bridge – with a threshold above zero. I usually set the threshold at 25, because our experience in the last two drying episodes – 2022 …

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Driest on New Mexico’s Middle Rio Grande since when? 1972? 1964?

I spent some time this morning crunching numbers, trying to make numerical sense of how bad this year is on New Mexico’s Middle Rio Grande. We keep saying it’s only the second time the Rio Grande has dried through Albuquerque since the 1980s, but that felt insufficient. Some data visualization experiments: By this measure – …

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The 86-pound catfish of Lake San Marcial

If you have ever been to modern San Marcial, New Mexico – or what is left of it – the notion of an 86-pound catfish requires some explanation. The spot where D.C. George hooked his record catfish is today ragged scrubland. But for a brief, shining, extremely odd period of time in the 1940s and …

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Quoting Bonnie Colby

University of Arizona economist Bonnie Colby on why the enduring opposition to water transfers out of agriculture goes beyond price: This is not surprising given third party economic effects when irrigated agriculture diminishes in a region. However, the enduring nature of the opposition is striking, even when seemingly generous compensation is included for third party …

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