blog post Seasonal Weather Predictions Are Elusive in California By Sarah Bardeen Oct 16, 2023 California urgently needs to improve its precipitation forecasting: this could help the state better manage its water supply and prepare for disasters, among other things. But that’s not as easy as it sounds, says Dr. Xianan Jiang, a UCLA researcher. We asked him to tell us more.
Report Managing Water and Farmland Transitions in the San Joaquin Valley By Ellen Hanak, Andrew Ayres, Caitlin Peterson, Alvar Escriva-Bou ... Sep 18, 2023 How can the San Joaquin Valley adapt to a future with less water? We’ve been researching this issue for the past seven years, and our new report presents highlights from we’ve learned, including a robust list of policy suggestions to help the valley weather—and make the most of—the coming changes.
blog post Renewing California’s Groundwater: Ready, Set, Recharge! By Caitlin Peterson, Sarah Bardeen Jun 21, 2023 California’s wet winter has been a boon for the parched state, and farmers and water managers have been scrambling to funnel some of that abundance into the ground. But how is recharge going—and what could be improved? We get on-the-ground insights from Daniel Mountjoy of Sustainable Conservation and Aaron Fukuda of the Tulare Irrigation District.
Fact Sheet Water Use in California By Jeffrey Mount, Ellen Hanak, Caitlin Peterson Apr 19, 2023 To understand California’s water, start here. Water use in California varies dramatically between wet and dry years: learn who’s using California’s water, where, and how much.
Fact Sheet Water Use in California’s Agriculture By Caitlin Peterson, Alvar Escriva-Bou, Josué Medellín-Azuara, Spencer Cole Apr 19, 2023 California is an agricultural powerhouse that relies heavily on irrigation. Discover how much water the sector uses and how groundwater laws and climate change are bringing change.
blog post An Epic Snowpack May Test Water Management in the San Joaquin Valley By Jeffrey Mount Mar 13, 2023 Nothing improves our understanding of water like a “stress test”—and it’s starting to look like the San Joaquin Valley will face one this spring, when California’s epic snowpack begins to melt. This week on our blog, Jeff Mount speculates about what may lie ahead for the valley.
blog post Testimony: Adapting California’s Water Rights System to the 21st-Century Climate By Ellen Hanak, Brian Gray, Jeffrey Mount Feb 28, 2023 PPIC Water Policy Center director Ellen Hanak and senior fellows Brian Gray and Jeffrey Mount testified before the Assembly Water, Parks, and Wildlife Committee Informational Hearing, “How Should California’s Water Right System Adapt to a 21st Century Climate?” today. Read their prepared remarks.
Policy Brief Policy Brief: The Future of Agriculture in the San Joaquin Valley By Alvar Escriva-Bou, Ellen Hanak, Spencer Cole, Josué Medellín-Azuara Feb 8, 2023 Agriculture is a key driver of the regional economy in the San Joaquin Valley, but water for irrigation is an ongoing—and growing—concern. Our latest research offers the most accurate, nuanced, and localized look at where fallowing may need to occur—and details the policy and management actions that could lead to better outcomes.
blog post Can Nine Atmospheric Rivers Recharge California’s Groundwater? By Sarah Bardeen Feb 6, 2023 Last month’s storms dropped immense amounts of water on California. Now, many people are wondering if we’ve been able to sock away any of that bounty—so we asked groundwater hydrologist Helen Dahlke to give us the skinny.
blog post Can We Capture More Water in the Delta? By Sarah Bardeen Jan 17, 2023 A massive amount of water is moving through the Sacramento–San Joaquin Delta in the wake of recent storms, and calls have risen from all quarters to capture more of this bounty. We spoke with PPIC Water Policy Center adjunct fellow Greg Gartrell to understand what’s preventing that—and to dispel the myth of “water wasted to the sea.”
