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freshwater

Sand dunes flank a freshwater lake.
Posted inNews

Estimating Lake Evaporation Just Got Easier

by Issa Sikiti da Silva 9 February 202211 February 2022

A new method standardizes freshwater lake measurements and shows they are losing a fifth of their inflow to evaporation.

Scientists living in ice camps during an entire year in 1975 (top). Automated instruments attached to sea ice in 2006–2012 (bottom).
Posted inResearch Spotlights

Capturing How Fast the Arctic Ocean Is Gaining Fresh Water

by Sarah Stanley 8 December 20219 December 2021

A new analysis suggests that models do not accurately capture how fresh Arctic surface waters mix with deeper waters, contributing to underestimation of Arctic surface freshening.

Vance Farrant and his older brother, Nakoa Farrant, clear invasive plant species from the side of Kalou, a historic Kanaka Maoli freshwater fishpond in Waiale‘e, Hawai’i.
Posted inFeatures

Water Wisdom: The Indigenous Scientists Walking in Two Worlds

by Jane Palmer 22 November 202120 December 2021

Meet the international researchers who draw on both academic training and cultural experience to help Indigenous communities protect water, restore ecosystems, and sustain traditional resources.

A packer installation near Ibra, Oman, in January 2019
Posted inResearch Spotlights

Shedding Light on Microbial Communities in Deep Aquifers

by Kate Wheeling 20 October 202116 May 2022

Researchers use a packer system to study the microbial communities living in waters sampled from deep, uncontaminated peridotite aquifers.

Margaritifera laevis shells on the bottom of a river.
Posted inNews

Freshwater Mussel Shells May Retain Record of Alpine Snowpack

by Stacy Kish 4 October 202121 March 2022

A new study explores a possible proxy for seasonal freshwater input that could elucidate changes in alpine snowpack as the planet warms.

Methane streams arising from the seafloor at a cold seep site offshore of Virginia
Posted inResearch Spotlights

Does the Priming Effect Happen Underwater? It’s Complicated

by Morgan Rehnberg 1 September 202129 September 2021

A new meta-analysis finds evidence that adding fresh organic material can increase decomposition rates, but when and why that happens remain unclear.

Badly burned cars and trees following the 2018 Camp Fire in Northern California
Posted inScience Updates

Wildfires Are Threatening Municipal Water Supplies

by A. T.-S. Chow, T. Karanfil and R. A. Dahlgren 12 August 20215 October 2021

Climate change is driving an increase in catastrophic wildfires; consumers see, smell, and taste the effects in their water. Water utilities must prepare for worse times ahead.

A single geyser erupts steam into the sky.
Posted inFeatures

Why Study Geysers?

by S. Hurwitz, M. Manga, K. A. Campbell, C. Muñoz-Saez and E. P. S. Eibl 30 July 202125 February 2022

Aside from captivating our senses, geysers have much to tell us about subsurface fluids, climate change effects, and the occurrence and limits of life on Earth and elsewhere in the solar system.

A researcher stands above a large sinkhole, pouring green dye into draining water.
Posted inNews

Dyes and Isotopes Track Groundwater from Sink to Spring

by J. Besl 28 June 202116 February 2022

The hydraulic connection between a sinkhole and a natural spring—the longest and largest yet documented—could help reduce the guesswork in mapping karst aquifers.

“Welcome to Fabulous Las Vegas” sign against a backdrop of desert flora
Posted inFeatures

Is Green Las Vegas Gone Forever?

by Mary Caperton Morton 28 May 202129 September 2021

Living in Geologic Time: Will desertification overtake Nevada’s half-million-year history of wetlands?

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