California Water Related

Indicators of a drought ending in northern California

California WaterBlog - January 15, 2017 - 8:53pm
Jay Lund Droughts are common in California, a large, generally dry, and hydrologically complex place.  So it is hard to rely on a single index of the end or beginning of a drought.  A single storm is rarely enough to … Continue reading →

Tails of California’s Drought

California WaterBlog - January 10, 2017 - 9:39pm
by Jay Lund Storms are filling reservoirs, building snowpack, and flooding in ways not seen since the most recent California drought began in 2012.  The state’s reservoirs today contain 1.2 million acre-ft more water than the long-term average for this … Continue reading →

Out With the Old Drought and In With the New?

California WaterBlog - December 28, 2016 - 7:29am
By Jay Lund We are just a few months into this year’s wet season, and progress has been great.  Statewide, California is about 800,000 acre ft below average surface water storage for this time of year.  California’s water year began … Continue reading →

Shadow theater and data management for the Delta – a video

California WaterBlog - December 20, 2016 - 6:00am
By Amber Manfree Data and data management are persistent concerns for the Delta and California water more generally. Data Wars: A New Hope, a shadow puppet play on the subject, was shown at the 2016 Bay-Delta Science Conference in Sacramento. … Continue reading →

California, Flood Risk, and the National Flood Insurance Program

California WaterBlog - December 14, 2016 - 6:00am
by Nicholas Pinter, Rui Hui, and Kathy Schaefer Across the US and worldwide, flooding is the deadliest and most costly natural disaster.  The US National Flood Insurance Program (NFIP) is an imperfect framework for reducing flood losses, but currently the … Continue reading →

How engineers see the water glass in California

California WaterBlog - December 5, 2016 - 11:44am
How do engineers see the water glass in California? Mostly the same as they did four years ago when this blog was first posted, though with today’s drought the glass is perhaps down to a quarter full — or three-quarters empty.  … Continue reading →

The Coming Droughts of California in 2017 – November 27, 2016

California WaterBlog - November 27, 2016 - 6:01pm
By Jay Lund California is a big diverse place. California probably will experience droughts this year of different types in different places, and no drought at all in some places, simultaneously.  Even if conditions this year are very wet, with … Continue reading →

Human Use of Restored and Naturalized Delta Landscapes

California WaterBlog - November 20, 2016 - 7:00pm
By Brett Milligan, Assistant Professor, UC Davis Landscape Architecture and Sustainable Environmental Design and Alejo Kraus-Polk, PhD Geography candidate, UC Davis Current legislation and plans for the California Delta call for restoring tens of thousands of acres of aquatic and … Continue reading →

Allocating a Share of San Joaquin River Water to the Environment Shows Promise

California WaterBlog - November 14, 2016 - 7:00pm
By Jeffrey Mount, Brian Gray, Ellen Hanak, PPIC Water Policy Center, Peter Moyle, UC Davis Center for Watershed Sciences Introduction In September 2016, the State Water Board released its draft plan for new environmental flow requirements in the San Joaquin … Continue reading →

The North Delta Habitat Arc: an Ecosystem Strategy for Saving Fish

California WaterBlog - November 6, 2016 - 7:00pm
Peter Moyle, John Durand, Amber Manfree.  Center for Watershed Sciences, University of California, Davis. Delta native fishes are in desperate condition. Over 90% of fish sampled by diverse means belong to non-native species.  Native species such as delta smelt are … Continue reading →

The Horror of a Salmon’s Wheel of Misfortune

California WaterBlog - October 30, 2016 - 8:00pm
By Miranda Tilcock Salmon in the Stream 10 little salmon eggs, resting in a redd 1 was covered in silt, now the egg is dead 9 little alevin, with their yolks attached, 1 was washed away, and never made it … Continue reading →

Evaluating California’s Adjudicated Groundwater Basins in the SGMA Era

California WaterBlog - October 23, 2016 - 8:00pm
By Ruth Langridge, University of California – Santa Cruz [i] Groundwater is a critical resource in California. While the 2014 Sustainable Groundwater Management Act (SGMA) established new requirements and increased state oversight for many overdrafted basins,[ii] groundwater basins adjudicated before … Continue reading →

Water is for fighting over? – a review of John Fleck’s recent book

California WaterBlog - October 17, 2016 - 6:00pm
By Jay Lund Most expressions on Western water issues are reflex or studied advocacy favoring a single viewpoint or opposing other viewpoints.  A minority provide thoughtful and reasonably balanced insights.  John Fleck’s new book, “Water is for fighting over” is … Continue reading →

Comparing Delta Consumptive Use: Preliminary Results from a Blind Model Comparison

California WaterBlog - October 9, 2016 - 8:00pm
By Josué Medellín-Azuara, Kyaw Tha Paw U, Yufang Jin, Quinn Hart, Eric Kent, Jenae’ Clay, Andy Wong, Andrew Bell, Martha Anderson, Daniel Howes, Forrest Melton, Tariq Kadir, Morteza Orang, Michelle M. Leinfelder-Miles, J. Andres Morande, William Li, and Jay R. … Continue reading →

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

California WaterBlog - 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.

California WaterBlog - 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

California WaterBlog - 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

California WaterBlog - 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

California WaterBlog - 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

California WaterBlog - 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 →