Author Archives: UC Davis Center for Watershed Sciences

Understanding predation impacts on Delta native fishes

By Peter Moyle, Andrew Sih, Anna Steel, Carson Jeffres, William Bennett of University of California, Davis. Will endangered fishes, such as Chinook salmon, delta smelt, and longfin smelt, benefit from control of predators, especially of striped bass? This question is … Continue reading

Posted in Delta, Fish | Tagged , , , , | 2 Comments

SGMA and the Challenge of Groundwater Management Sustainability

By Bill Blomquist It isn’t just the groundwater that has to be sustainable; it’s the management too. That’s why the title of this post shifts from the more familiar “sustainable groundwater management” to “groundwater management sustainability.” This perspective doesn’t come … Continue reading

Posted in Groundwater, Planning and Management | Tagged | 3 Comments

Inevitable Changes to Water in California

By Jay Lund A shorter version of this piece originally appeared as an op-ed in the Sacramento Bee. “Denial ain’t just a river in Egypt.” (anonymous) Water is always important for California, as a dry place with a boisterous economy … Continue reading

Posted in California Water, Drought, Water Conservation | Tagged | 13 Comments

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

Posted in California Water | Tagged | 4 Comments

Conservation of inland trout populations in California

by Robert Lusardi This article originally appeared in California Trout’s The Current. For the full issue, click here. Native fish conservation and recovery is an onerous task.  While there are many threats, hybridization has played an integral role in the … Continue reading

Posted in Fish, Planning and Management | Tagged | 1 Comment

California’s Delta-Groundwater Nexus: Delta Effects of Ending Central Valley Overdraft?

By Timothy Nelson, Heidi Chou, Prudentia Zikalala, Jay Lund, Rui Hui, and Josué Medellín–Azuara Surface water and groundwater management are often tightly linked, even when linkage is not intended or expected. This link has special importance in drier regions, such … Continue reading

Posted in Agriculture, California Water, Delta, Groundwater, Uncategorized | Tagged , , , , , | 8 Comments

Sailing the Seas of Data Discovery

by Megan Nguyen Which display is more engaging to you? The table or the map? Do you remember a time when you really needed to find something in your room that you know you for certain have but can’t remember … Continue reading

Posted in Agriculture, Drought, Tools, Uncategorized | Tagged | 6 Comments

ENSO the Wet Season Ends (almost) – March 31, 2016

By Jay Lund Summary of conditions March 2016 has been unusually wet, and quite a contrast to February.  The “Godzilla” El Nino this year has been a bit “Gonzo”, but overall has brought a welcome above average precipitation for northern … Continue reading

Posted in California Water, Drought, El Niño, Uncategorized | Tagged | 4 Comments

Water managers drop the ball on Hetch Hetchy

By Nan W. Frobish Visitors to Yosemite’s iconic Hetch Hetchy reservoir are doing a double-take. Instead of seeing the majestic backdrop of the Sierra Nevada reflected in the pristine mountain water, they are now greeted by millions of black balls … Continue reading

Posted in April Fools' Day, Uncategorized | 20 Comments

“Toilet to tap”: A potential high quality water source for California

By Nathaniel Homan Reusing water is not a new concept to many Californians. Many municipalities across California have facilities that treat wastewater to high standards, which allows it to be reused for agricultural irrigation, landscape irrigation, and industrial use. Other … Continue reading

Posted in California Water, Uncategorized, Water Supply and Wastewater | Tagged , , | 3 Comments