Monthly Archives: March 2019

Groundwater and agriculture: a comparison of managing scarcity and droughts in France and California

By Josselin Rouillard Overview of French and Californian agricultural groundwater management France and California face a common challenge of managing overdraft in intensively exploited aquifers. As of 2018, large areas of France and California have overexploited groundwater (see maps below). … Continue reading

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The Collapse of Water Exports – Los Angeles, 1914

by Jay Lund “In February, 1914, the rainfall in the Mojave Desert region exceeded by nearly fifty per cent in three days the average annual precipitation. Where the steel siphon crosses Antelope valley at the point of greatest depression, an … Continue reading

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Portfolio Solutions for Water Supply

by Jay Lund “Water problems in the western United States, when viewed from afar, can seem tantalizingly easy to solve: all we need to do is turn off the fountains at the Bellagio, stop selling hay to China, ban golf, … Continue reading

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Portfolio Solutions for Water – Flood Management

by Jay Lund The tweet below, shows slight (but still frightening) levee overtopping this week on Cache Creek, just north of Woodland, California.  It also illustrates the combined operations of flood preparation and response, with a simultaneous floodplain evacuation order.  … Continue reading

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