Tag Archives: Amber Manfree

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 →

Posted in Delta | Tagged , , | 7 Comments

Floodplains in California’s Future

Posted on September 10, 2017 by UC Davis Center for Watershed Sciences

by Peter Moyle, Jeff Opperman, Amber Manfree, Eric Larson, and Joan Florshiem The flooding in Houston is a reminder of the great damages that floods can cause when the defenses of an urban area are overwhelmed.  It is hard to … Continue reading →

Posted in Around the World, Climate Change, flood, Floodplains, reconciliation | Tagged , | 4 Comments

Reconciling conservation and human use in the Delta

Posted on February 12, 2017 by UC Davis Center for Watershed Sciences

By John Durand, Peter Moyle, and Amber Manfree  In a previous blog, we presented a Grand Scheme for habitat conservation in the North Delta Arc (the Arc). This follows up on our earlier broad vision for recreating a Delta more friendly … Continue reading →

Posted in Conservation, Delta, reconciliation | Tagged , , | 3 Comments

Episode 3: “Unraveling the Knot” Water Movement in the Sacramento-San Joaquin Delta – Managing Flows

Posted on January 29, 2017 by UC Davis Center for Watershed Sciences

By William Fleenor, Amber Manfree, and Megan Nguyen Delta water diversions have significant effects on flows and water quality within the Delta. Diversions can re-direct river flows and draw salt water inland from the sea, impacting water quality and the … Continue reading →

Posted in Delta | Tagged , , | 6 Comments

Episode 1: “Unraveling the Knot” Water movement in the Sacramento-San Joaquin Delta

Posted on January 22, 2017 by UC Davis Center for Watershed Sciences

By Bill Fleenor, Amber Manfree, and Megan Nguyen In 2010, John DeGeorge of RMA, Inc used animated model results to illustrate specific flow and water quality issues in the Delta to the State Water Board. The Center for Watershed Sciences, … Continue reading →

Posted in Delta | Tagged , , | 9 Comments

Shadow theater and data management for the Delta – a video

Posted on December 20, 2016 by UC Davis Center for Watershed Sciences

By Amber Manfree Data and data management are persistent concerns for the Delta and California water more generally. Data Wars: A New Hope, a shadow puppet play on the subject, was shown at the 2016 Bay-Delta Science Conference in Sacramento. … Continue reading →

Posted in Tools | Tagged , , , , | 1 Comment

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

Posted on November 6, 2016 by UC Davis Center for Watershed Sciences

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 →

Posted in Delta, Uncategorized | Tagged , , | 7 Comments

Napa County strings together a ‘living’ river

Posted on July 29, 2015 by UC Davis Center for Watershed Sciences

By Amber Manfree In the historic heart of Napa Valley, a moderate climate and alluvial soils deposited by the Napa River create perfect conditions for world-class cabernets. An acre of vines here sells for around $300,000, or 25 times the … Continue reading →

Posted in reconciliation, Restoration | Tagged , , , , | 2 Comments

Drought journal: Search for Sierra fish goes from bad to worse

Posted on August 18, 2014 by UC Davis Center for Watershed Sciences

  Is the drought hastening the decline of California’s native fish? Will they be able to recolonize once normal conditions return? To help find out, a team of researchers with the UC Davis Center for Watershed Sciences are taking the pulse of … Continue reading →

Posted in Uncategorized | Tagged , | 11 Comments

Planning for the inevitable at Suisun Marsh

Posted on May 1, 2014 by UC Davis Center for Watershed Sciences

By Amber Manfree and Peter Moyle In Suisun Marsh, it seems, you can go back in time. You get a haunting sense of the vast marshes that once dominated central California’s lowlands. Sloughs flush with tule perch and Sacramento splittail bend … Continue reading →

Posted in Uncategorized | Tagged , , , | 4 Comments