Simulation Modeling to Secure Environmental Flows in a Diversion Modified Flow Regime

This paper describes the development and application of a spreadsheet model to evaluate effects of water management on diversion modified flow regimes, enabling the exploration of novel ways to meet proposed environmental flow standards. Mill Creek, a northern California river with an altered...

Securing Environmental Water: Mill Creek flows

Stream flow is critical to sustaining riverine plants and animals, many of which have adapted to historic flow patterns. These species include the foothill yellow-legged frog, whose reproduction is timed with the annual spring snowmelt, and Pacific salmon that migrate up the Sacramento and spawn in the creek. Mill Creek, a tributary of the Sacramento River, hosts one of the highest elevation salmon-spawning habitats in California and is one of the few streams that still support threatened spring-run Chinook salmon.

100 years of California’s water rights system: patterns, trends and uncertainty

For 100 years, California's State Water Resources Control Board and its predecessors have been responsible for allocating available water supplies to beneficial uses, but inaccurate and incomplete accounting of water rights has made the state ill-equipped to satisfy growing societal demands for...

Evaluation of Water Rights to Reveal Hidden Patterns and Trends in Water Resources Management

California's current water management challenges are strongly influenced by the legacy of 19th century legal doctrines, which aim to maximize the appropriation of available water for human uses and benefits. As a consequence and over time, most of the water flowing through the state's rivers and...

Agricultural water use accounting through water footprints

A water footprint (WF) is defined as the volume of water consumed to produce a good or render a service, calculated over the entire supply chain of the product. This project aims to produce an extensible, open-source software tool to calculate water footprints of agricultural activities across variable regions of interest. The tool will incorporate the wealth of environmental data available in California and establish methods that allow for application in novel regions. Informed water management is essential, as increasing pressures are placed on global freshwater supplies, and water footprints are one of many means that can assist with data-driven decision making.

Water Rights Study Featured in NY Times Editorial

Our Environmental Research Letters paper ( Grantham & Viers 2014 ) was highlighted by the Editorial Board of the New York Times discussing how to improve California's water situation.

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