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California

Aerial view of Lake Oroville near Enterprise Bridge in California on 23 October 2015 showing low water levels
Posted inFeatures

Better Subseasonal-to-Seasonal Forecasts for Water Management

by M. J. DeFlorio, F. M. Ralph, D. E. Waliser, J. Jones and M. L. Anderson 23 June 20219 March 2023

Emerging methods that improve precipitation forecasting over weeks to months could support more informed resource management and increase lead times for responding to droughts and floods.

Plot showing magnitude of earthquakes before and after the inferred triggering time in southern California.
Posted inEditors' Highlights

Earthquake Rates Enhanced by Triggered Creep

by Thorsten W. Becker 13 May 202113 January 2022

Analysis of California earthquakes solidifies links between shaking due to remote earthquakes and increased local earthquake activity that persists for times longer than for regular aftershocks.

Two maps of the San Joaquin Valley showing geodetic observations for a consecutive dry water year (left) and wet water year (right)
Posted inEditors' Highlights

Satellites Detect Groundwater Recharge for San Joaquin Valley

by D. Long 26 April 20211 November 2021

A new study integrates spaceborne InSAR time series and GPS to resolve spatiotemporal patterns of deformation across the San Joaquin Valley indicating recharge areas and pathways for groundwater flow.

Map of the study site in the northern California Coast Ranges.
Posted inEditors' Highlights

Thickness and Strength of Slow-moving Landslides Revealed

by O. Marc 22 April 20216 February 2023

Hundreds of slow-moving landslides’ deformation patterns were inverted to obtain their thickness and frictional strength, revealing that larger landslides are weaker and thinner than smaller ones.

Several Velella velella on the beach
Posted inNews

Why Trillions of Jellyfish Washed Ashore from Canada to California

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 31 March 20216 December 2021

Although warming oceans may make population booms and mass strandings more common, the species may ultimately be one of the beneficiaries of climate change.

The Apple Fire burns north of Beaumont, Calif., on the evening of 31 July 2020.
Posted inResearch Spotlights

Uncovering Patterns in California’s Blazing Wildfires

Aaron Sidder, freelance science writer by Aaron Sidder 1 March 20217 March 2023

A study of trends in wildfire occurrence over the past 30 years shows that environmental, climatic, and human-related factors can point out regions with high fire probabilities.

A close-range view of coastal cliffs with adjacent beach. A sign warns visitors of rocks falling from above.
Posted inNews

Weighing Inputs of Waves and Precipitation to Coastal Erosion

by Jady Carmichael 19 February 202115 November 2021

Conducting weekly lidar surveys of coastal cliffs for 3 years enabled a California team of coastal erosion researchers to quantify and separate marine effects from subaerial effects.

Plot showing the average number of shallow earthquakes near Parkfield, California, from 2006 to 2014
Posted inEditors' Highlights

Why are Earthquakes on the San Andreas Seasonally Modulated?

by Victor Tsai 19 February 20219 February 2022

There is growing evidence that some earthquakes occur seasonally but also that water loading cannot explain these observations.

A blue reservoir lake surrounded by yellow hills with spotty dark green tree coverage flows into a hydroelectric dam.
Posted inNews

Adaptation Can Compound Climate Change Impacts on Energy and Water

Kate Wheeling, freelance science writer by Kate Wheeling 15 February 20212 September 2022

Researchers have created a framework to trace the impacts of climate change and adaptation across energy and water systems in California.

View of Long Valley Caldera in California with snow-covered mountains in the background
Posted inResearch Spotlights

How Heavy Rain and Drought Influence California Crustal Strain

Kate Wheeling, freelance science writer by Kate Wheeling 27 January 20216 October 2021

New research using continuous GPS data reveals how multiyear precipitation patterns can amplify the effects of hydrological loading on crustal deformation.

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