Fourth National Climate Assessment Chapter 3: Water

U.S. Global Change Research Program | November 23rd, 2018

Summary

Significant changes in water quantity and quality are evident across the country. These changes, which are expected to persist, present an ongoing risk to coupled human

Glaciers in California’s Sierra Nevada are likely disappearing for the first time in the Holocene

American Association for the Advancement of Science (AAAS) | October 1st, 2025

Summary

Mountain glaciers are sensitive climate indicators. Glaciers in the western United States are projected to disappear by 2100 CE, but whether they were previously absent i

How Much Snow?

Scientific American | March 1st, 1939

Summary

Last winter, at 682 different locations in the Rockies and high Sierras, more than 30,000 exact measurements of snow depth and water content were taken, in order to e

Human-Induced Changes in the Hydrology of the Western United States

American Association for the Advancement of Science (AAAS) | February 22nd, 2008

Summary

Observations have shown that the hydrological cycle of the western United States changed significantly over the last half of the 20th century. We present a regi

Hydroclimate Report Water Year 2015

California Department of Water Resources (DWR) | December 23rd, 2016

Summary

Water year 2015 added a fourth year to the ongoing drought in California, with observations indicative of a changing climate, including record warmth. The Water year ende

Hydroclimate Report Water Year 2016

California Department of Water Resources (DWR) | September 5th, 2017

Summary

Water year 2016 ended up being different than expected, from a climate standpoint. Water year 2015 marked the 4th year of drought in California, ending with record high t

Hydroclimate Report Water Year 2017

California Department of Water Resources (DWR) | August 1st, 2018

Summary

Water year (WY) 2017 began with lingering impacts from a severe and prolonged drought mitigated slightly by the previous WY. Expectations were uncertain for the W

Hydroclimate Report Water Year 2022

California Department of Water Resources (DWR) | October 1st, 2024

Summary

Filter Results

Type

Topic

Keywords

Publisher

Basin

Hydrological Region