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Updated: 2 hours 26 min ago

The Collapse of Water Exports – Los Angeles, 1914

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

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?

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

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

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

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

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

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

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

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

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

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

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 →

Wanted: student scientists looking for inspiration and adventure

February 7, 2016 - 7:00pm
By Sarah Yarnell and Ann Willis Every spring for the past 12 years, a class of a dozen or so UC Davis undergraduates ride a river in the American West for a learning adventure like none other in their college … Continue reading →

ENSO it’s raining. The 2016 Drought so far – February 1

January 31, 2016 - 6:27pm
Summary of conditions January 2016 has been much wetter than the previous Januaries during this drought. Precipitation is modestly above average, as is snowpack, and climatic conditions remain promising. The largest reservoirs are mostly fuller than a year ago, although … Continue reading →

Why care about native freshwater fish?

January 24, 2016 - 7:00pm
By Jason Baumsteiger Even with a strong El Niño year, there are no assurances the drought is over. Clearly we need a better plan for future droughts and that plan needs to include provisions for native freshwater fish.  But why … Continue reading →

Eager for rain – and floods – on California’s floodplain playground: the lower Cosumnes River

January 17, 2016 - 7:00pm
By Andrew Nichols California’s drought plays on, and a recent series of storms to start the New Year have done little to change this broken record.  However, promising weather conditions suggest a change of tune may be coming soon.  This … Continue reading →

Science takes flight: aerial imagery provides new opportunities and insights

January 10, 2016 - 9:00pm
By Devon Lambert Remote sensing is all the rage as we start the New Year, largely due to its ability to exponentially increase our areas of analysis for research. What used to take us weeks to survey with traditional field … Continue reading →

ENSO it Begins? The 2016 Drought – so far – January 3

January 3, 2016 - 8:16pm
By Jay Lund “One afternoon they take me … to witness a great religious ceremony. It is the invocation to the gods for rain.” John Wesley Powell (1895, p. 338) 2016 starts with slightly above average precipitation and snowpack and … Continue reading →

The Earth is Falling! – Land Subsidence and Water Management in California

December 27, 2015 - 9:00pm
By Jay Lund, Thomas Harter, Rob Gaily, Rick Frank, and Graham Fogg Groundwater problems are mostly invisible.  However, as California has come to rely more on groundwater during the drought, land subsidence from groundwater drawdown and accumulating overdraft has become … Continue reading →