Author Archives: UC Davis Center for Watershed Sciences

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

Floods, farms, fowl, and fish: a confluence of successful management

By Eric Holmes The floodplain smorgasbord is open! Wrapping up a successful fifth season, the Knaggs Nigiri  project, partnered with California Trout and the California Department of Water Resources, places fall run juvenile Chinook salmon in inundated rice fields during a … Continue reading

Posted in Uncategorized | Tagged | 4 Comments

Using Game Theory To Encourage Cooperation in Levee System Planning

By Rui Hui, Jay Lund and Kaveh Madani Levees protect land from floods, but not perfectly. Different levees on a river often are controlled by different agencies or groups. A landowner on one riverbank sees the levee system differently from … Continue reading

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

Let people pay what water is worth – Sell your conserved water

  By Jay Lund During dry years, water becomes scarcer, and, economically, people should pay more for it. But most urban residents do not pay directly for water scarcity. We only pay the financial cost of providing water through pipes, … Continue reading

Posted in California Water, Water Conservation | Tagged | 11 Comments