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Updated: 4 hours 40 min ago

Drought Prospects in California for the New 2017 Water Year – October 1, 2016

October 3, 2016 - 8:42am
By Jay Lund Happy New Water Year 2017! Hopefully everyone has recovered from their celebrations. The 2016 drought year is over.  It was milder year than the four previous drought years.  The great wet hope of the “Godzilla” El Nino … Continue reading →

How much water was pumped from the Delta’s Banks Pumping Plant? A mystery.

September 26, 2016 - 8:00pm
As the old saying goes, “Someone with one watch knows what time it is, someone with two watches is never sure.” Water accounting is fundamental to water management, but is not easy.  But any accounting is more difficult and expensive … Continue reading →

How ecogeomorphology changed my life

September 21, 2016 - 8:00pm
by Tyler Goodearly For as long as I can remember, I’ve wanted to study fish. Like my idols, Jacques Cousteau, or Steve Irwin, or Jeff Corwin, I too had the “fish itch,” and I knew I must follow this passion. … Continue reading →

Ecogeomorphology: A Transformative Expedition Education

September 18, 2016 - 8:00pm
This week, the Center for Watershed Sciences is proud to feature our flagship education course, Ecogeomorphology. What began as a collaboration between then-Professors Jeffrey Mount and Peter Moyle to introduce students to cross-discipline thinking in expedition settings has developed into … Continue reading →

California WaterBlog survey and recommended reads

September 11, 2016 - 8:00pm
by Ann Willis As the water year comes to an end, we are curious about what topics California Waterblog readers would like to see addressed. Were there water issues you wish we’d written more (or less) about? Take our 5-minute … Continue reading →

New Baton Rouge flood map show limits of current risk and planning methods

August 28, 2016 - 8:00pm
by Nicholas Pinter, Nicholas Santos, Rui Hui, Kathleen Schaefer The flooding in Baton Rouge and surrounding areas of Louisiana is a major disaster, claiming an estimated 13 lives and displacing more than 100,000 people from their homes. The National Weather … Continue reading →

Scott Valley pioneers instream flow and groundwater management for reconciled water use

August 21, 2016 - 8:00pm
by Gus Tolley The Scott River is one of California’s four major undammed streams and important spawning habitat for coho (a species listed as “threatened”) and Chinook salmon. This peaceful and pastoral agricultural valley is at the center of several … Continue reading →

Economic Analysis of the 2016 California Drought for Agriculture

August 15, 2016 - 8:22am
by Josué Medellín-Azuara, Duncan MacEwan, Richard E. Howitt, Daniel A. Sumner, and Jay R. Lund The drought continues for California’s agriculture in 2016, but with much less severe and widespread impacts than in the two previous drought years, 2014 and … Continue reading →

Visualizing Flows – A Sandbox Experience with Modeling

August 7, 2016 - 8:00pm
by Jeanette Newmiller In winter quarter 2016, Dr. Colleen Bronner of the UC Davis Department of Civil Engineering gathered a small group of graduate students and posed a challenge. To support new education standards involving teaching engineering methods throughout K-12 … Continue reading →

Local groundwater management in France and California

July 31, 2016 - 8:00pm
by Corentin Girard   France and California have different environmental, agricultural, economic, institutional, and cultural contexts. However, both are moving to more local management of groundwater. In California, the 2014 Groundwater Sustainable Management Act required creation of  local Groundwater Sustainable … Continue reading →

Better accounting begets better water management

July 24, 2016 - 8:00pm
by Jay Lund Sustainable use of groundwater in California will require major changes in groundwater management, use, and recharge.  Under the 2014 Sustainable Groundwater Management Act, groundwater basins as a whole are responsible for sustainability.  But millions of people and … Continue reading →

St. Helena, California: Dealing with a Field-of-Dreams Levee, Residual Risk, and a Flood of Controversy

July 17, 2016 - 8:00pm
by Nicholas Pinter A new $37.2[1] million levee in the town of St. Helena, on the floodplain of the Napa River, has a colorful history and has been stirring local acrimony since its inception.  This project illustrates both the attraction … Continue reading →

Instream flows: Five features of effective summer flow strategies

July 10, 2016 - 8:00pm
By Ann Willis As summer begins and stream flows drop throughout California, concerns resurface about whether there’s enough water to support critical ecosystems. Environmental flows have long been a contentious issue, often presented in conflict with existing water use. But … Continue reading →

How bad is water management in California?

June 26, 2016 - 8:02pm
by Jay Lund California’s combination of climate, native ecosystems, and human uses makes water management inherently hard, unsatisfactory, and evolving.  California is doomed to have difficult and controversial water problems. No matter how successful we are. California is one of … Continue reading →

California Water Made Simple

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

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

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

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

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

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 →