Category Archives: Delta

Episode 2: “Unraveling the Knot” Water Movement in the Sacramento-San Joaquin Delta – Tidal Forces

Posted on October 10, 2021 by UC Davis Center for Watershed Sciences

By William Fleenor, Amber Manfree, and Megan Nguyen Tides are the biggest driver of Delta flows, and in Episode 2 we look at their impacts in different locations under a variety of inflow conditions.  Tides have a twice-daily cycle in … Continue reading →

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Striped Bass in the San Francisco Estuary: Insight Into a Forgotten Past

Posted on November 18, 2018 by UC Davis Center for Watershed Sciences

by Dylan Stompe and Peter Moyle Striped bass are well known throughout California as a hard-fighting game fish, excellent table fare, and a voracious predator on other fish. Striped bass were introduced into the San Francisco Estuary in 1879 and … Continue reading →

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Opportunities for Science Collaboration and Funding in the Delta

Posted on October 23, 2018 by UC Davis Center for Watershed Sciences

by Aston Tennefoss The Sacramento-San Joaquin Delta (Delta) is central to California’s water supply system, and serves a diverse group of stakeholders, including local, state, and federal agencies, elected officials, and water users. Its islands, channels, and wetlands also are … Continue reading →

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Resurrecting the Delta for Desirable Fishes

Posted on April 29, 2018 by UC Davis Center for Watershed Sciences

by Peter Moyle, Carson Jeffres, John Durand The Delta is described in many ways.  When extolling the Delta as a tourist destination, it is described as a place of bucolic beauty; islands of productive farmland are threaded by meandering channels of … Continue reading →

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Modeling, Measuring, and Comparing Crop Evapotranspiration in the Delta

Posted on April 23, 2018 by UC Davis Center for Watershed Sciences

by Jesse Jankowski Crop evapotranspiration (ET) is the biggest managed loss of water in California, accounting for roughly 80% of human net water use, and includes crop water applications transpired from plants and evaporated from soil. Methods to estimate ET … Continue reading →

Posted in Agriculture, California Water, Delta, Planning and Management, Tools | Tagged , | 1 Comment

Reality Check of California Water Fix Model results in a Critical Flow Year

Posted on April 15, 2018 by UC Davis Center for Watershed Sciences

by William Fleenor In 2008 a group from the Center for Watershed Sciences (including this author), joined by an economist from the Public Policy Institute, published findings that suggested that an alternative conveyance for Sacramento River water might improve ecological … Continue reading →

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Is Ecosystem-Based Management Legal for the Sacramento-San Joaquin Delta?

Posted on March 8, 2018 by UC Davis Center for Watershed Sciences

by Brian Gray (PPIC Water Policy Center), William Stelle (former NOAA Fisheries West Coast Administrator), and Leon Szeptycki (Stanford University, Water in the West)* Introduction In a recent three-part series posted on this website, a group of independent experts (including one … Continue reading →

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Advice on Voluntary Settlements for California’s Bay-Delta Water Quality Control Plan Part 3: Science for Ecosystem Management

Posted on February 27, 2018 by UC Davis Center for Watershed Sciences

by Jeffrey Mount, PPIC Water Policy Center* Recommendation Improving Delta ecosystem functions under the State Water Board’s proposed Bay-Delta Water Quality Control Plan will require a complex series of changes to water and land management—and a strong science program to … Continue reading →

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Advice on Voluntary Settlements for California’s Bay-Delta Water Quality Control Plan Part 2: Recommended Actions to Improve Ecological Function in the Delta

Posted on February 21, 2018 by UC Davis Center for Watershed Sciences

by Jeffrey Mount, PPIC Water Policy Center* Recommendation By strategically linking freshwater flow releases with the management of tidal energy and investments in landscape changes in the Delta, it is possible to improve ecological food webs and habitat for native … Continue reading →

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Advice on Voluntary Settlements for California’s Bay-Delta Water Quality Control Plan Part 1: Addressing a Manageable Suite of Ecosystem Problems

Posted on February 13, 2018 by UC Davis Center for Watershed Sciences

by Jeffrey Mount, PPIC Water Policy Center Recommendation The State Water Resources Control Board and the parties seeking to incorporate voluntary settlement agreements in the Bay-Delta Water Quality Control Plan should identify a specific, tractable set of problems that can … Continue reading →

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