100-Year Flood – It’s All About Chance

U.S. Geological Survey (USGS) | April 15th, 2010

Summary

2017 Flood System Status Report

California Department of Water Resources (DWR) | August 10th, 2017

Summary

This report is intended to assist flood management planners and engineers in characterizing facilities within the State Plan of Flood Control (SPFC) and to inform the 201

A Guide to Ordinary High Water Mark (OHWM) Delineation for Non-Perennial Streams in the Western Mountains, Valleys, and Coast Region of the United States

U.S. Army Corps of Engineers (USACE) | August 14th, 2014

Summary

Federal regulations define the ordinary high water mark (OHWM) as “that line on the shore established by the fluctuations of water and indicated by physical cha

A rationale for effective post-fire debris flow mitigation within forested terrain

Geoenvironmental Disasters, Springer | May 25th, 2018

Summary

Watersheds recently burned by wildfires are recognized as having an increased susceptibility to debris flow occurrence. The great majority occur within the first 2 years

A shift from drought to extreme rainfall drives a stable landslide to catastrophic failure

Nature | February 7th, 2019

Summary

The addition of water on or below the earth’s surface generates changes in stress that can trigger both stable and unstable sliding of landslides and faults.

A study of methods to estimate debris flow velocity

Landslides, Springer | September 16th, 2019

Summary

Debris flow velocities are commonly back-calculated from superelevation events which require subjective estimates of radii of curvature of bends in the debris flow channe

A tale of two California droughts: Lessons amidst record warmth and dryness in a region of complex physical and human geography

American Geophysical Union (AGU) | November 19th, 2015

Summary

The state of California has experienced the worst drought in its historical record during 2012–2015. Adverse effects of this multi year event have been far from unifor

A Twenty-First-Century California Observing Network for Monitoring Extreme Weather Events

Journal of Atmospheric and Oceanic Technology, American Meteorological Society | August 27th, 2013

Summary

During Northern Hemisphere winters, the West Coast of North America is battered by extratropical storms. The impact of these storms is of paramount concern to California,

Accounting for Water "Wasted to the Sea"

San Francisco Estuary & Watershed Science (UC Davis) | April 19th, 2018

Summary

Freshwater outflow from the Sacramento–San Joaquin Delta is a contentious management issue. Once mixed with salt water of San Francisco Bay, outflow is often characteri

Age Determination of the Remaining Peat in the Sacramento–San Joaquin Delta, California, USA

U.S. Geological Survey (USGS) | October 9th, 2007

Summary

The Sacramento–San Joaquin Delta of California was once a 1,400 square kilometer (km2) tidal marsh, which contained a vast layer of peat ranging up to 15 meters (m) thi

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Hydrological Region