Category Archives: Uncategorized

California’s Floods of 2017, so far

by Jay Lund What a wild water month!  Floods, spillway damage, and levee failures!  Mass evacuations! And Donald Trump and Barack Obama are not even remotely to blame! Flood control and preparation are vitally important for California.  Now we remember. … Continue reading

Posted in California Water, flood, Planning and Management, Stressors, Uncategorized | Tagged | 4 Comments

California’s Wettest Drought? – 2017

By Jay Lund Wet.  After five years of drought, most of California finally has become wet.  The mountains are exceptionally wet and covered with snow.  The state’s reservoirs are fuller than their long term average (with a few exceptions).  Flood … Continue reading

Posted in California Water, Drought, Uncategorized, Water Supply and Wastewater | Tagged | 20 Comments

Indicators of a drought ending in northern California

Jay Lund Droughts are common in California, a large, generally dry, and hydrologically complex place.  So it is hard to rely on a single index of the end or beginning of a drought.  A single storm is rarely enough to … Continue reading

Posted in Drought, Uncategorized | Tagged | 6 Comments

Tails of California’s Drought

by Jay Lund Storms are filling reservoirs, building snowpack, and flooding in ways not seen since the most recent California drought began in 2012.  The state’s reservoirs today contain 1.2 million acre-ft more water than the long-term average for this … Continue reading

Posted in Drought, Uncategorized | Tagged | 12 Comments

Out With the Old Drought and In With the New?

By Jay Lund We are just a few months into this year’s wet season, and progress has been great.  Statewide, California is about 800,000 acre ft below average surface water storage for this time of year.  California’s water year began … Continue reading

Posted in Drought, Uncategorized | Tagged | 7 Comments

How engineers see the water glass in California

How do engineers see the water glass in California? Mostly the same as they did four years ago when this blog was first posted, though with today’s drought the glass is perhaps down to a quarter full — or three-quarters empty.  … Continue reading

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Allocating a Share of San Joaquin River Water to the Environment Shows Promise

By Jeffrey Mount, Brian Gray, Ellen Hanak, PPIC Water Policy Center, Peter Moyle, UC Davis Center for Watershed Sciences Introduction In September 2016, the State Water Board released its draft plan for new environmental flow requirements in the San Joaquin … Continue reading

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The North Delta Habitat Arc: an Ecosystem Strategy for Saving Fish

Peter Moyle, John Durand, Amber Manfree.  Center for Watershed Sciences, University of California, Davis. Delta native fishes are in desperate condition. Over 90% of fish sampled by diverse means belong to non-native species.  Native species such as delta smelt are … Continue reading

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The Horror of a Salmon’s Wheel of Misfortune

By Miranda Tilcock Salmon in the Stream 10 little salmon eggs, resting in a redd 1 was covered in silt, now the egg is dead 9 little alevin, with their yolks attached, 1 was washed away, and never made it … Continue reading

Posted in Conservation, education, Fish, Floodplains, Salmon, Uncategorized | Tagged , | 5 Comments

Water is for fighting over? – a review of John Fleck’s recent book

By Jay Lund Most expressions on Western water issues are reflex or studied advocacy favoring a single viewpoint or opposing other viewpoints.  A minority provide thoughtful and reasonably balanced insights.  John Fleck’s new book, “Water is for fighting over” is … Continue reading

Posted in education, Uncategorized | Tagged , | 6 Comments