Author Archives: UC Davis Center for Watershed Sciences

Reconciling ecosystem and economy

Ecologist Michael Rosenzweig kicked off a UC Davis series of public talks exploring a “reconciliation” approach to improving California’s aquatic habitat. Video: UC Davis Center for Watershed Sciences. A growing number of ecologists say we need to rethink how we go … Continue reading

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Weathering the drought by drawing down the bank

By Richard Howitt, Josué Medellín-Azuara, Duncan MacEwan and Jay Lund Today, UC Davis Center for Watershed Sciences economists join the California Department of Food and Agriculture in releasing a second, more comprehensive and forward-looking report estimating the effects of the … Continue reading

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Challenging myth and mirage in California’s drought

In a July 6, 2014 op-ed for The Sacramento Bee, three prominent California water experts challenge some claims that they say are hindering the search for solutions to California’s water shortages. We reprint the commentary here with a sidebar on some of the … Continue reading

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Could California weather a mega-drought?

By Jay Lund In the past 1,200 years, California had two droughts lasting 120-200 years. Could the state’s water resources continue to supply enough water to drink, grow crops and provide habitat for fish with such an extreme, prolonged drought? … Continue reading

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Modernizing California’s groundwater management

“A broad consensus appears to be building among California water users and policymakers that it is high time to establish an effective, statewide framework for groundwater management.” — Groundwater Resources Association of California, Contemporary Groundwater Issues Council As California strains … Continue reading

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Will California’s drought extend into 2015?

By Jay Lund and Jeffrey Mount Debates over how to manage California’s critically dry water supplies this year have displaced most discussion about water next year. This year’s drought is bad, but another dry year that begins with even lower … Continue reading

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Should California expand reservoir capacity by removing sediment?

By Jay Lund Removing sediment from reservoirs is often suggested as a potentially better way to expand storage capacity than raising dam heights or building new reservoirs. This is a natural notion to explore given the cost and likely environmental … Continue reading

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Beyond bonds: Funding the governor’s Water Action Plan

Ellen Hanak, Brian Gray, Jay Lund, David Mitchell, Caitrin Chappelle, Emma Freeman, Dean Misczynski, James Nachbaur In late January, Gov. Jerry Brown released the California Water Action Plan, which outlines 10 strategic priorities for putting the state on a more … Continue reading

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Is shorting fish of water during drought good for water users?

By Jay Lund and Peter Moyle In drought years, California usually reduces “environmental water flows” — the amount of river flows needed to maintain aquatic ecosystems — to make more water available for farms and cities. The current drought has been … Continue reading

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Why California’s agriculture needs groundwater management

California’s agricultural prosperity increasingly depends on groundwater availability during drought. Global markets favoring high-value nuts, fruits and wine grapes are fueling a steady conversion of farmland from annual crops and pasture to orchards and vineyards. The growing profitability of these … Continue reading

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