California WaterBlog

Subscribe to California WaterBlog feed California WaterBlog
A biologist, economist, engineer and geologist walk onto a bar...
Updated: 4 min 4 sec ago

Ecosystem Restoration and Water Management

June 13, 2021 - 5:57am
– Curated by Jennifer Cribbs (jecribbs@ucdavis.edu) Note from the Curator: Restoration implies returning to a prior state. A broken cup carefully glued, might appear nearly as whole as the original, but will always differ from the original.  Ecosystem restoration attempts … Continue reading →

Jobs and Irrigation during Drought in California

June 6, 2021 - 8:32am
Jobs and Irrigation during Drought in California Farmworkers harvesting cauliflower in Monterey County. Photo by John Chacon/California Department of Water Resources by Josué Medellín-Azuara and Jay Lund During droughts organizations and stakeholders look for ways of getting the most from every water … Continue reading →

Assessing portfolios of actions for winter-run salmon in the Sacramento Valley

May 29, 2021 - 2:30pm
by Francisco Bellido Leiva, Robert Lusardi and Jay Lund  We may be entering a time when more mechanistic models can be used to estimate relationships of habitats and flows to fish populations and health, and help design ecosystem restoration efforts. … Continue reading →

Dollars and Drought – Windfalls for innovation or entrenchment?

May 23, 2021 - 6:49am
by Jay Lund California’s Governor Newsom recently declared a drought emergency throughout much of California and announced over $5 billion in new water program investments.  These twin emergency and funding announcements are a classic “bad-news creates good news story” (and … Continue reading →

A few Lessons for California’s New Drought

May 16, 2021 - 6:21am
We asked some colleagues for lessons that might be useful in managing the California’s new drought. Here is a first sampling of thoughts. 1: Market-based approaches to water management will lessen the costs of drought. Katrina Jessoe. Agricultural and Resource … Continue reading →

Art and Water Management – Randomness and Patterns

May 9, 2021 - 9:01am
curated by Abbey Hill Much of water management draws on patterns involving randomness. This is typically done in building models based on organizing equations, but has some relevance to art. The following is a collection of art that relates randomness … Continue reading →

Art and Water Management – Randomness and Patterns

May 9, 2021 - 6:24am
curated by Abbey Hill Much of water management draws on patterns involving randomness. This is typically done in building models based on organizing equations, but has some relevance to art. The following is a collection of art that relates randomness … Continue reading →

Do largemouth bass like droughts?

May 2, 2021 - 6:15am
By Andrew L. Rypel “The Delta is full of species that thrive in the lakes in southern Arkansas” ~Bill Bennett by Andrew Rypel As we rapidly enter another drought, long-standing questions on ecological impacts of increased temperatures, reduced water levels … Continue reading →

How dry is California? What should we prepare for?

April 25, 2021 - 7:00am
by Jay Lund California is in the second year of a drought. Governor Newsom this week made his first drought declaration.   Just how dry is this drought, so far?  What are some likely implications?  And what might State and … Continue reading →

Suisun Marsh fishes in 2020: Persistence during the Pandemic

April 18, 2021 - 9:31am
by Teejay O’Rear, John Durand, Peter Moyle Suisun Marsh is central to the health of the San Francisco Estuary. Not only is it a huge (470 km2) tidal marsh in the center the northern estuary (Figure 1), but it is an … Continue reading →

Increasing groundwater salinity changes water and crop management over long timescales

April 11, 2021 - 7:00am
by Yiqing “Gracie” Yao and Jay Lund Salinity has often become a major limit for irrigated agriculture in semi-arid regions, from ancient Mesopotamia to parts of California today. A previous blog post showed that conjunctive use with more saline groundwater … Continue reading →

Looking for a new challenge? – Retrain as a Delta Smelt

April 1, 2021 - 1:42am
Help restore one of California’s most endangered species while supporting California’s water supplies in a time of drought. The Federal government is beginning a program for the unemployed to retrain as much-needed Delta Smelt.  Following a two-day course, candidates will … Continue reading →

That Time Warren Buffett Got Involved in California Water

March 21, 2021 - 6:45am
by Andrew L. Rypel As if 2020, wasn’t completely strange enough, it wound up also being a time when Warren Buffett was plunged headlong into California water. Buffett of course is an American business tycoon – primarily an investor, and … Continue reading →

California’s New Drought

March 14, 2021 - 7:53am
By Jay Lund, Andrew L. Rypel, and Josue Medellin-Azuara As March begins to drag on with little precipitation in the forecast and few weeks left in California’s traditional wet season, we are in another dry year. This is California’s second … Continue reading →

Managing Water and Crops with Groundwater Salinity – A growing menace

March 7, 2021 - 6:27am
by Yiqing “Gracie” Yao and Jay Lund Salinity is an eventual threat to agriculture and groundwater sustainability in parts of California, and other irrigated parts of the world. Irrigation, lower groundwater levels, and natural conditions have dramatically increased groundwater salinity … Continue reading →

Celebrating Black Scientists in Fisheries & Biology

February 28, 2021 - 6:00am
By Kim Luke, Christine Parisek, Rachelle Tallman, Marissa Levinson, Sarah Yarnell, Miranda Bell Tilcock, Andrew Rypel, and Jay Lund In honor of Black History Month, the Center for Watershed Sciences would like to highlight the contributions of Black scientists in … Continue reading →

Groundwater Salinization in California’s Tulare Lake Basin, the ABCSAL model

February 21, 2021 - 11:20am
By Rich Pauloo and Graham Fogg Lower groundwater levels can prevent drainage of water and salts from a basin and increase aquifer salinity that eventually renders the groundwater unsuitable for use as drinking water or irrigation without expensive desalination. Pauloo … Continue reading →

Eat Prey Loon: lessons from juvenile loons in Wisconsin

February 14, 2021 - 6:00am
by Brian A. Hoover, Andrew L. Rypel and Walter H. Piper Do you remember when you first moved from home, and were completely on your own in new surroundings? How did you decide where to live, or which restaurants to … Continue reading →

Can Japanese Smelt Replace Delta Smelt?

February 7, 2021 - 6:00am
by Peter Moyle A question I get asked on occasion is: Why all this fuss about endangered delta smelt when there is another smelt that looks just the same that can takes its place? The smelt being referenced is the wakasagi … Continue reading →

February 1: Is California Still Heading for a Multi-Year Drought?

January 31, 2021 - 6:23am
by Jay Lund, Peter Moyle, and Andrew Rypel This updates a post from December on the likelihood of California entering a second dry year. Normally, a second dry year brings drought operations for California’s overall water system operations. Today, it … Continue reading →