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California WaterBlog

Tag: subsidence

  • Whither the Delta economy?

    Josue Medellín-Azuara, Richard Howitt, Jay Lund – University of California, Davis Ellen Hanak – Public Policy Institute of California, San Francisco Today, PPIC and UC Davis released a new report on the economy of the Sacramento-San Joaquin Delta.  “Transitions for the Delta Economy” explores how the Delta’s economy has evolved since the early 1990s and…

  • Adaptive management and experimental island flooding in the Delta

    Robyn J. Suddeth, Hydrology Graduate Student, UC Davis Center for Watershed Sciences   Like many of the world’s deltas, the Sacramento-San Joaquin Delta is in transition. A deteriorating native ecosystem, conflicting water quality objectives, and a fragile levee system are all threatened by climate change and potential levee failures from a major earthquake or flood.…

  • No going back for the Delta, but which way forward?

    Jay Lund, Professor of Environmental Engineering, University of California – Davis Peter Moyle, Professor of Fish Biology, University of California – Davis Ellen Hanak, Senior Fellow, Public Policy Institute of California, San Francisco Jeffrey Mount, Professor of Geology, University of California – Davis   “Restore” is a common cry for environmental problems.  For the Sacramento-San…

  • The Delta, in 3-D

    Jay Lund, UC Davis Professor of Engineering   Time and tide wait for no man, and change in the Delta won’t wait for a computer model either. Continued land subsidence and sea level rise, increasing likelihood of a major earthquake, and rising chances of major floods all pose serious threats to subsided islands in the…

  • Sea level rise and Delta subsidence—the demise of subsided Delta islands

    Jay R. Lund, the Ray B. Krone Professor of Environmental Engineering, University of California – Davis Periodically, scientists point to the weaknesses of levees in the Sacramento-San Joaquin Delta.  The press and policy makers respond with astonishment, followed by local assertions of levee sustainability and pleas for greater subsidies.  This cycle has recurred several times…