Deirdre Des Jardins, Director of California Water Research, has done research, synthesis, and policy analysis of California water issues since 2009. She has a background in physics and computational modeling, and has done research at NASA Ames Research Center, the Center for Nonlinear Studies at Los Alamos National Laboratory, and the Santa Fe Institute for Complex Systems.

Focus areas include

  • comprehensive risk management of climate change driven impacts to California’s rivers and the Sacramento-San Joaquin Delta, focusing on impacts to vulnerable populations and ecosystems
  • societal and psychological impacts of cascading disasters
  • social networks in natural resources management and dynamics of beliefs

California Water Research also has extensive experience in working with environmental, fishing, and Delta groups to provide comments in California water planning processes and on proposed projects, as well as providing expert testimony on scientific and engineering analyses in hearings.

That work has included:

  • analysis of operations of California’s State Water Project and Central Valley
  • analysis of embedded GHG emissions in the State Water Project
  • testimony on the emergence of Harmful Algal Blooms in the Delta
  • testimony on entrainment of salmonids at the South Delta pumps
  • analysis & testimony on the Pelagic Organism Decline and regime shift in the Delta ecosystem
  • testimony on senior water rights on the Sacramento River and associated diversions during the 2014-2016 drought
  • extensive review of expert testimony on the Delta tunnel project in the WaterFix Water Right Change Petition hearing
  • testimony on the Delta tunnel project, including geologic and construction hazards and climate change impacts
  • testimony on modeling of operations
  • analysis of causes of well failure in East Porterville
  • analysis of patterns of agricultural and urban water use in California and research on conservation & alternative water supplies
  • reports on soil and groundwater salinization in the San Joaquin Valley and Tulare Lake Basin and associated land fallowing

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