California Water Related

California Water Made Simple

California WaterBlog - June 19, 2016 - 8:01pm
Celebrating end of the academic year, and the need to grade papers, here is a reprise post from January 29, 2014. There’s only so many acre-feet of water jargon the public can absorb during a drought. Here’s a primer that … Continue reading →

Trump’s Dubious Drought Claims

California WaterBlog - June 12, 2016 - 8:00pm
By Vanessa Schipani This post originally appeared on June 9, 2016 on The original post can be found here. Peter Moyle, Associate Director at the UC Davis Center for Watershed Sciences, and Jeffrey Mount, Senior Fellow at the Public … Continue reading →

Cue the Frogs! Water signatures, environmental cues and climate change

California WaterBlog - June 5, 2016 - 8:00pm
By Ryan Peek, Helen Dahlke, and Sarah Yarnell An organism’s success relies on responding to environmental cues that trigger activities such as breeding, migration, feeding, predator evasion, etc. Responses can be finely tuned to specific cues, or may require multiple … Continue reading →

Water and salt exports from the Delta – A tale of two plots

California WaterBlog - May 29, 2016 - 8:00pm
By Jay Lund and William Fleenor Where does water exported from the Delta come from?  And where does the salt in Delta exports come from? Water and salt exported from the Delta comes from several sources: Sacramento River (largest high-quality … Continue reading →

Understanding predation impacts on Delta native fishes

California WaterBlog - May 22, 2016 - 8:00pm
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 →

SGMA and the Challenge of Groundwater Management Sustainability

California WaterBlog - May 15, 2016 - 8:00pm
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 →

Inevitable Changes to Water in California

California WaterBlog - May 8, 2016 - 8:00pm
By Jay Lund This op-ed piece was originally featured 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 and unique ecosystems. A growing … Continue reading →

The Collapse of Water Exports – Los Angeles, 1914

California WaterBlog - May 1, 2016 - 8:00pm
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 →

Conservation of inland trout populations in California

California WaterBlog - April 24, 2016 - 8:00pm
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 →

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

California WaterBlog - April 17, 2016 - 8:00pm
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 →

Sailing the Seas of Data Discovery

California WaterBlog - April 10, 2016 - 8:00pm
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 →

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

California WaterBlog - April 3, 2016 - 8:00pm
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 →

Water managers drop the ball on Hetch Hetchy

California WaterBlog - April 1, 2016 - 12:01am
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 →

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

California WaterBlog - March 27, 2016 - 8:00pm
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 →

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

California WaterBlog - March 20, 2016 - 8:00pm
By Eric Holmes The floodplain smorgasbord is open! Wrapping up a successful fifth season, the Knaggs Nigiri  project places fall run juvenile Chinook salmon in inundated rice fields during a six week period in February and early March, the non-rice-growing season.  … Continue reading →

Using Game Theory To Encourage Cooperation in Levee System Planning

California WaterBlog - March 13, 2016 - 8:00pm
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 →

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

California WaterBlog - March 6, 2016 - 7:00pm
  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 →

ENSO the Drought Strikes Back! The 2016 Drought so far – March 1

California WaterBlog - February 28, 2016 - 8:53pm
By Jay Lund Summary of conditions February 2016 has been dry, despite El Nino-besotted promises of aqueous abundance. There is sometimes a difference between climatic conditions and hydrologic reality (and economic reality). Annual precipitation and snowpack are now about average … Continue reading →

You Can’t Always Get What You Want – A Mick Jagger Theory of Drought Management

California WaterBlog - February 21, 2016 - 7:00pm
by Jay Lund “You can’t always get what you want But if you try sometimes you just might find You get what you need,” Rolling Stones (1969, Let It Bleed album) The ongoing California drought has many lessons for water … Continue reading →

What lies behind the dam? In some cases, self-sustaining salmon

California WaterBlog - February 14, 2016 - 7:00pm
By K. Martin Perales Chinook salmon are a remarkably adaptable species. There is good reason to believe there are multiple populations of landlocked Chinook salmon completing their entire life cycle above Central Valley dams. We recently documented spawning above six of … Continue reading →