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water supply

Aerial image of the California Aqueduct
Posted inResearch Spotlights

Assessing Water Infrastructure Investments in California

by Terri Cook 4 May 20224 May 2022

Exploratory modeling in California’s Central Valley indicates that evaluating the costs, benefits, and risks to individual providers is necessary to ensure the viability of future water projects.

Netravati River in Karnataka, India
Posted inNews

A New Index to Quantify River Fragmentation

by Rishika Pardikar 27 April 202227 April 2022

Researchers have developed a new analysis based on a river’s catchment area as opposed its length.

A wide view of snow-covered pines in mountains.
Posted inResearch Spotlights

Trees Wearing Accelerometers Help Track Snowstorms

by Rebecca Dzombak 15 April 202215 April 2022

This device allows scientists to measure how much snow is trapped in canopies and predict changes to snowpack—a critical factor in annual water availability.

A river in Katherine, Northern Territory, Australia
Posted inResearch Spotlights

Tree Rings Reveal a Puzzling Trend in Monsoon Intensity

by Saima Sidik 31 March 202231 March 2022

Tree rings confirm that in northern Australia, the past 40 years have experienced more rain than any similar length of time in the past 600 years.

Photo of gray dirt hill covered with burnt trees.
Posted inNews

Forest Fires Could Boost Western U.S. Water Supplies

by Jennifer Schmidt 21 February 202222 February 2022

Streamflow in the West has been below average since the early 2000s, but a new analysis shows that streams aren’t as dry as expected.

A man measuring the water level in an open well with a measuring tape
Posted inNews

Satellite and on-the-Ground Data Help Monitor Groundwater in India

by Deepa Padmanaban 16 February 202216 February 2022

Village volunteers use remote sensing and manual measurement to help farmers use groundwater more efficiently.

Comparison of the performance of many different water resources management options based on four different objectives.
Posted inEditors' Highlights

Managing Strategic Water Resources in a Changing Climate

by Jim Hall 11 January 202220 May 2022

Another significant step has been taken in methods for managing water resources in the face of climatic changes and other future uncertainties. Dynamic adaptation is becoming a reality.

Crop residue mulch from a terminated winter rye cover crop is visible between rows of newly planted corn plants.
Posted inResearch Spotlights

Modeling Mulch to Understand Agricultural Soil

by Morgan Rehnberg 22 December 202122 December 2021

A new model helps shed light on residue mulch, an important regulator of surface soil conditions.

A migrant farmworker is interviewed by social scientist Anna Erwin at the Majes-Siguas irrigation project in Peru.
Posted inNews

Peruvian Farmers Threatened by Water Stress

by James Dacey 14 December 202114 December 2021

Two analyses present the Arequipa region as a microcosm of water supply issues facing small-scale agriculture communities.

Canoers paddle along the Anacostia near Kenilworth Park in Washington, D.C.
Posted inFeatures

The Capital’s Waterways Could Be Swimmable by 2030

by Mark Betancourt 22 November 202124 November 2021

Scientists, community groups, and the Clean Water Act are behind Washington, D.C.’s massive project to reduce combined sewer overflows by 96%.

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