Category Archives: Uncategorized

How engineers see the water glass in California

This is another dry year.  How do California’s engineers see a partially-full water glass?  Mostly the same as they did in the original 2012 version of this post, but we’ve added a few more perspectives. by Jay R. Lund Depending … Continue reading

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Five “F”unctions of the Central Valley Floodplain

by Francheska Torres, Miranda Tilcock, Alexandra Chu, and Sarah Yarnell The Yolo Bypass is one of two large flood bypasses in California’s Central Valley that are examples of multi-benefit floodplain projects (Figure 1; Serra-Llobet et al., 2022). Originally constructed in the early … Continue reading

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Government Spending on Stormwater Management in California

By Erik Porse, Maureen Kerner, Brian Currier, David Babchanik, Danielle Salt, and Julie Mansisidor Stormwater infrastructure in cities is highly visible and serves to mitigate flooding and reduce pollution that reaches local waterbodies. Being so visible, it might be reasonable … Continue reading

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The Putah Creek Fish Kill: Learning from a Local Disaster

By Alex Rabidoux, Max Stevenson, Peter B. Moyle, Mackenzie C. Miner, Lauren G. Hitt, Dennis E. Cocherell, Nann A. Fangue, and Andrew L. Rypel Putah Creek is a small stream located in the Central Valley that has been extensively modified … Continue reading

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The 20th Anniversary of Another Good Idea: Ecogeomorphology

by Jeffrey Mount and Peter Moyle Several years ago on this site, we celebrated the 20th anniversary of the Center for Watershed Sciences—what we termed a “really good idea.”  That blog described the founding principles of the Center that live … Continue reading

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Why give away fish flows for free during a drought?

by Jay Lund, Ellen Hanak, Barton “Buzz” Thompson, Brian Gray, Jeffrey Mount and Katrina Jessoe This is a re-posting from 11 February 2014 (in the previous drought).   With California in a major drought, state and federal regulators will be under … Continue reading

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Parr for the Course – Holistic Fish Conservation

by Nan Frobish April 1, 2022 Juvenile Chinook Salmon lack rearing habitat in the Central Valley due to pervasive land use change and altered hydrology. Historically, juvenile salmon (or parr) had access to roughly four million acres of seasonal floodplain … Continue reading

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Nature has solutions…What are they? And why do they matter?

By Andrew L. Rypel California’s water problems are intense; so much so they are often referred to as ‘wicked’ for their extraordinary depth of complexity and general unsolvability. Yet it recently occurred to me that some of the better and … Continue reading

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Drought Year Three in California, 2022

by Jay Lund 2022 is another drought year, although we won’t know exactly how dry for about another month.  Precipitation and snowpack this year in California are below average.  In addition, the prolonged dry and warm months of January through … Continue reading

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Between a rock and a dry place: effects of drought on stream drying patterns in California’s intermittent streams

By Hana Moidu, Mariska Obedzinski, Stephanie Carlson, and Ted Grantham You may have heard the saying from the Ancient Greek philosopher Heraclitus, “No man steps in the same river twice, for it is not the same river and he is … Continue reading

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