A Gloomy Water Future

The NAS Colorado River report was released this morning: Recent studies of past climate and streamflow conditions have broadened understanding of long-term water availability in the Colorado River, revealing many periods when streamflow was lower than at any time in the past 100 years of recorded flows. That information, along with two important trends—a rapid …

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Water in the Desert

Water in the Desert Originally uploaded by heinemanfleck. Mountainair, New Mexico, is not technically a desert. It averages nearly 15 inches (~40 cm) of precipitation a year. Nearly half of that falls in the summer rainy season, from late June into September, in big rapid thunderstorms. With essentially no surface water for miles around, the …

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Mapping Soil Moisture Anomalies

One useful measure of drought/pluvial conditions is soil moisture, which is critical both for non-irrigated farming and natural ecosystems. Today’s map is from NOAA’s Climate Prediction Center, which publishes a host of map products intended to illustrate what’s going on. Note that the map I’ve chosen does not represent absolute soil moisture, which is available …

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Another Hockey Stick

We haven’t done hockey sticks here in a while, but there’s a paper in the new Journal of Climate worth noting in this regard: High variability in reconstructions does not hamper the detection of greenhouse gas–induced climate change, since a substantial fraction of the variance in these reconstructions from the beginning of the analysis in …

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