Sierra Nevada Archives ~ Page 2 of 4 ~ MAVEN'S NOTEBOOK

June 26, 2025

An 18-year study reveals dramatic year-to-year variations in ultraviolet radiation penetration tied to Sierra Nevada precipitation cycles. By Andrew Chapman,...

CAL MATTERS: ‘Not improving’: Lake Tahoe had one of its murkiest years on record

Cal Matters

Water quality

June 17, 2025

By Rachel Becker, CalMatters This story was originally published by CalMatters. Sign up for their newsletters. Lake Tahoe’s iconic blue...

UC DAVIS: Lake Tahoe clarity report: Trend stable, not improving

UC Davis

Water quality

June 17, 2025

Annual report suggests deep dive into particle science By Kat Kerlin, UC Davis Lake Tahoe’s long-term clarity record is not...

PRESS RELEASES: California, federal government, Yuba Water Agency partner up in historic project to reopen North Yuba River to native fish

Office of Governor Gavin Newsom

Fish and wildlife

April 26, 2025

Press release from the Office of the Governor: California is working with state, local, and federal agencies in a historic...

CAL MATTERS: The high cost of fixing Lake Tahoe: Famed alpine lake still murky after decades of efforts

Cal Matters

Policy and regulation Water quality

March 19, 2025

Reporting by Julie Cart, Data analysis by Natasha Uzcátegui-Liggett This story was originally published by CalMatters. Sign up for their...

PRESS RELEASE: Pilot project returns spring-run chinook salmon to North Yuba River

Department of Fish and Wildlife

Fish and wildlife

February 21, 2025

From the Department of Fish & Wildlife: Salmon are swimming again in the North Yuba River for the first time...

SIERRA NEVADA CONSERVANCY: Weather whiplash in the Sierra-Cascade and the need to accelerate resilience

Sierra Nevada Conservancy

Ecosystems

January 8, 2025

From the Sierra Nevada Conservancy: Winter began in earnest when an atmospheric river drenched Northern California with record breaking rainfall...

PRESERVING OUR WATERSHEDS: How Placer County Water Agency and Yuba Water Agency are reducing wildfire risk to protect water supplies

Sacramento Regional Water Authority

Ecosystems Wildfires and watersheds

November 12, 2024

By Jim Peifer, Executive Director, Regional Water Authority Though summer is behind us, the risk of wildfires persists in our...

USGS: New maps identify legacy mercury contamination in the Sierra Nevada

USGS

Ecosystems

October 30, 2024

A series of USGS interactive maps have recently been published. The maps identify locations and levels of mercury contamination resulting...

COURTHOUSE NEWS SERVICE: AT&T agrees to settle case over abandoned lead cables beneath Lake Tahoe

Courthouse News Service

Water quality

September 19, 2024

The communications giant said it had agreed in 2021 to remove the cables, but paused that process to have further...

DESERT RESEARCH INSTITUTE: Tracking the restorative effects of good fire

Desert Research Institute

Wildfires and watersheds

August 9, 2024

DRI’s Gabrielle Boisramé has been studying the transformative impact of Yosemite’s natural fire experiment for over a decade. By Elyse...

NOAA FISHERIES: Aging Yuba River debris dam jeopardizes threatened and endangered species

NOAA Fisheries

Ecosystems

August 1, 2024

Partners advance a fishway around the Daguerre Point Dam on the Yuba River for salmon and sturgeon passage. The operation...

UC RIVERSIDE: Parched Central Valley farms depend on Sierras for groundwater

UC Riverside

Groundwater News Science

July 26, 2024

Mountain recharge powers growers’ hidden reservoirs By Jules Bernstein, UC Riverside New research shows that California’s Central Valley, known as...

USGS: Using mixed telemetry methods to measure soil moisture for improving runoff forecasting in the Sierra Nevada

USGS

Science Wildfires and watersheds

July 25, 2024

Wildfire, drought, and temperature are affecting soil moisture in California’s Sierra Nevada. To better understand this, USGS scientists recently began...

WATER DESK: Q&A: Defining the “snow deluge” and projecting its future

The Water Desk

Hydrology Science

May 31, 2024

Scientist Adrienne Marshall explains why these extreme snow years are expected to decline in our warming world. By Mitch Tobin,...