Water in the Desert: Arizona Road Trip Edition

Ocotillo Originally uploaded by heinemanfleck. Lissa and I just back from a lovely weeks’ trip around Arizona. The main purpose was a visit to the University of Arizona and environs in Tucson for a project we’re working on. We spent a delightful day at the Laboratory of Tree Ring Research, made a pilgrimage to Tumamoc …

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“permanent drought”

What happens when what used to be abnormally dry becomes the new normal? Drought will become a redundant term as Australia plans for a permanently drier future, according to the nation’s urban water industries chief. And climate experts yesterday predicted the present drought would continue, signalling a cruel summer for farmers and sparking fears of …

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Thinking About Future Climate

This paper by Martin Beniston on recent temperature extremes is a great example of the sort of exercise we need at the regional scale to help societies think about climate change. Switzerland has been hotter than Hades lately (bonkers 2003, record July 2006, near record winter 2006-07). Attribution is tricky, but Beniston neatly sidesteps the …

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Climate Change and Colorado Water

Based on all the reporting I’ve been doing for the Albuquerque Journal, it seems to me that you could easily substitute “New Mexico” for “Colorado” in this story: The issue is critical in Western states such as Colorado, where even in wet years almost every river already is “over-appropriated,” with insufficient water to satisfy demand. …

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Not Melting So Much After All?

I’ve written at some length (and with some enthusiasm) about Phil Mote’s work on declining western snowpack. Here’s an interesting counterpoint: We conclude that only about one third of the gages exhibit significant trends with time but over half of the gages tested show significant relationships with discharge. Therefore, runoff timing is more significantly correlated …

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