Author Archives: jaylund

About jaylund

Professor of Civil and Environmental Engineering Director, Center for Watershed Sciences University of California - Davis

Portfolio Solutions for Safe Drinking Water – Multiple Barriers

by Jay Lund   Only some parts of the world have safe drinking water almost ubiquitously, and only in the last century.  (We lucky few!)  In these countries, drinking water safety relies on a complex portfolio of actions and accountability … Continue reading

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Climate Warming Brings New Water to California’s Delta

April 1, 2019 By Nestle J. Frobish The California Department of Water Resources is working to employ the ongoing break-up of the Antarctic ice cap to provide a vast supply of water for California.  Current plans are to employ ocean … Continue reading

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Groundwater and agriculture: a comparison of managing scarcity and droughts in France and California

By Josselin Rouillard Overview of French and Californian agricultural groundwater management France and California face a common challenge of managing overdraft in intensively exploited aquifers. As of 2018, large areas of France and California have overexploited groundwater (see maps below). … Continue reading

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Portfolio Solutions for Water Supply

by Jay Lund “Water problems in the western United States, when viewed from afar, can seem tantalizingly easy to solve: all we need to do is turn off the fountains at the Bellagio, stop selling hay to China, ban golf, … Continue reading

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Portfolio Solutions for Water – Flood Management

by Jay Lund The tweet below, shows slight (but still frightening) levee overtopping this week on Cache Creek, just north of Woodland, California.  It also illustrates the combined operations of flood preparation and response, with a simultaneous floodplain evacuation order.  … Continue reading

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Tough Fish in a Harsh Place: Red Hills Roach

by Peter B. Moyle Red Hills Roach are small (adults are 60-70 mm in total length) bronzy minnows that live in a challenging environment. They survive in a few small streams that start as seeps in a hot dry landscape, … Continue reading

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The sociology of science in environmental management: Reflections on “Fields and Streams”

by Jay Lund Most readers of this blog are water management wonks who toil in the bureaucracies and professions of water management, the water-industrial complex, so to speak.  We mostly work on technical issues and internal and inter-organizational rules and … Continue reading

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Roaches of California: Hidden Biodiversity in a Native Minnow

by Peter B. Moyle   If you inspect small streams in northern California, including those that seem too small or warm for any fish, you will often see minnows swimming in the clear water. Chances are you are seeing a … Continue reading

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15 Years of the San Francisco Estuary and Watershed Sciences – Open Access Journal

By Lisa Howard originally published January 21, 2019 When the peer-reviewed journal San Francisco Estuary and Watershed Science launched fifteen years ago, the editors chose what was then a somewhat new model of scientific publication known as “open access.” At … Continue reading

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Droughts and progress – Lessons from California’s 2012-2016 Drought

By Jay Lund, Josue Medellin, John Durand, and Kathleen Stone Droughts and floods have always tested water management, driven water systems improvements, and helped water organizations and users maintain focus and discipline.  California’s 2012-2016 drought and the very wet 2017 … Continue reading

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