Population Growth v. Climate Change

I ran across an old paper this morning by Vörösmarty and colleagues about the relative importance of increasing water demand vs. climate change over the next quarter century. Their conclusion is that human population growth etc. swamps any possible climate change effect. I’ve blogged about this before, but I was struck by this wonderful sentence …

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Google Earth Snotel

Google Earth Snotel Originally uploaded by heinemanfleck. As winter progresses, snowpack is one of the key western U.S. drought variables to monitor. Snowpack is an important leading indicator of hydrologic drought (see here for a discussion of various drought definitions and measures) in the coming year. Snow that builds up in the mountains during the …

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Piñon and drought: some interesting details

In his ongoing drought series, Daniel Collins had a nice post last week on a trio of studies about the relationship between climate variability and both recruitment and death of piñon, the scraggly little arid pine tree provides our landscape’s signature here (when drought or global warming isn’t killing it). I’d like to extend the …

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