Tony Davis had a great story in the Daily Star over the weekend on the allure of desalination of ocean water as Arizona struggles with shrinking Colorado River supplies. Tony’s excellent work on this question susses out the problems: ocean desal is costly, like really costly ocean desal is energy intensive, like really energy intensive …
Continue reading ‘Desalination, Arizona, and magical thinking’ »
By Eric Kuhn and John Fleck Herbert Hoover’s words a century ago were chosen with care. Might it be possible, he wondered, for the state officials gathered around him that day “to agree upon a compact between the seven states of the Colorado Basin, providing for an equitable division of the water supply of the …
Continue reading ‘A century ago, Colorado River Compact negotiations begin’ »
A friend shared this, from the Sandia Lab News, circa 1955: New Dyke Will Give Salton Sea Test Base Protection Against Rapidly Rising Water The steadily rising water level of the Salton Sea in southern California is presenting a problem for the U.S. Atomic Energy Commission in seeking to safeguard test facilities operated by Sandia …
Continue reading ‘Back in the days when the Salton Sea was rising’ »
In the wake of a Colorado River Water Users Association meeting that was by turns exuberant (We got to see one another for the first time since the Before Times!) and stark (The reservoirs are nearly empty!), Anne Castle and I have a new paper out this week in a special issue of the journal …
Daniel Rothberg yesterday published a very helpful Q and A with John Entsminger of the Southern Nevada Water Authority that gets to the heart of one of the really important discussions now underway in the Colorado River Basin: Rothberg: You mentioned not that long ago, testifying in Congress, that “the river community is far from …
FYI all, I’ve deleted the post with the soil moisture map. It was dated 2020, not this year. That’s what get for enthusiastically curling up in my comfy chair with my new laptop and blogging while still on first cup of coffee.
One of the conceptual riddles Bob Berrens and I are working through in the new book we’re pursuing on New Mexico’s Middle Rio Grande, and the work surrounding it, is the ecosystem goods and services across our valley floor provided by the Middle Rio Grande Conservancy District’s web of irrigation ditches. Where once we had …
Continue reading ‘On the ecosystem benefits of irrigation systems’ »
I’m heading to Phoenix tomorrow (Wed. Nov. 10) to appear on what I hope will be a useful PBS Newshour live event: The Colorado River runs nearly fifteen hundred miles, winding through seven states and Mexico. It supplies drinking water to nearly 40 million people, irrigates nearly 4 million acres of farmland and attracts millions …
Continue reading ‘Watch Live: Tipping Point – The Colorado River Basin’ »
With the ink barely dry on the ill-named Colorado River “Drought Contingency Plan”, the Lower Basin states (Nevada, Arizona, and California) are already cooking up a Plan C for even deeper reductions. Joanna Allhands at the Arizona Republic has a nice look at what we know about the details: Arizona, California and Nevada are moving …
Continue reading ‘Scaling back, even more, in the Lower Colorado River Basin’ »
Heather Sackett did a good story this week on new data Brad Udall has been sharing that geographically parses the declines in streamflow across the Colorado River Basin. For folks like us down here in New Mexico, dependent on the San Juan as a critical source of supply, the news is not good: This month, …