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Water quality

The mayfly Epeorus pleuralis, after which a new water sensor is named.
Posted inScience Updates

A Digital Mayfly Swarm Is Emerging

by S. Ensign, D. Arscott, S. Hicks, A. Aufdenkampe, T. Muenz, J. Jackson and D. Bressler 6 March 201928 February 2024

Low-cost, open-source data collectors and a suite of collaborative online tools are making big leaps in the field of watershed monitoring.

Researchers examine the impact of increased precipitation on lake water clarity.
Posted inResearch Spotlights

Dark and Stormy: How More Rainfall Leads to Warm and Murky Lakes

by Terri Cook 2 July 2018

Reduced clarity in two northeastern Pennsylvania lakes has resulted in warmer surface water and cooler bottom water despite stable regional air temperatures during the past 3 decades.

Caspian Sea from NASA's Landsat 8
Posted inScience Updates

Toward a Satellite-Based Monitoring System for Water Quality

by N. Pahlevan, S. G. Ackleson and B. A. Shaeffer 5 March 201831 March 2023

Water Quality Workshop for End Users; Greenbelt, Maryland, 27 September 2017

Utah Lake carp removal
Posted inNews

Modern Chemicals from Mystery Source Taint Fish in Utah Lake

by S. Montanari 21 December 201718 March 2022

Utah Lake’s fish contain high levels of a potential carcinogen. Could removing some bottom-feeders reduce this contamination?

Researchers look at how land use changes affect carbon transport in the Thames River Basin
Posted inResearch Spotlights

The River Basin’s Tale: Carbon Transport Along the Thames

by S. Witman 22 September 201724 February 2023

A study finds that population growth during urbanization and World War II–era plowing fed additional carbon into the Thames River Basin.

Flux towers, such as this one in a Maryland corn field, provide continuous measurements of evapotranspiration.
Posted inResearch Spotlights

Blending Satellite Data to Monitor Agricultural Water Use

by Terri Cook 8 August 20172 February 2022

A new technique that merges data gathered by multiple satellites can be used to monitor agricultural water use and improve water quality assessments around the globe.

Tim Cohn
Posted inNews

Timothy A. Cohn (1957–2017)

by R. M. Hirsch 23 June 201724 February 2023

Cohn emphasized the use of hydrologic science for the public good, to protect ordinary citizens from flood and pollution hazards and to reduce losses from natural disasters.

The federal Water Quality Portal gives disparate water quality data sets and resources a home on the Web
Posted inResearch Spotlights

Water Quality Database Offers New Tools to Study Aquatic Systems

by L. Strelich 17 March 20175 May 2022

Researchers assess the federal Water Quality Portal, a Web portal that unites disparate water quality data sets and resources.

Researchers examine ties between increased wealth and decreased water pollution in Louisiana.
Posted inResearch Spotlights

When Income Goes Up, Does Pollution Go Down?

Alexandra Branscombe by A. Branscombe 16 February 20171 February 2022

Scientists look at a possible connection between increased wealth and decreased water pollution in Louisiana.

Researchers tie dissolved organic carbon in the Gulf of Maine to changes in precipitation and runoff in New England.
Posted inResearch Spotlights

How Climate Change Affects the Flow of Carbon from Land to Sea

Kate Wheeling, freelance science writer by Kate Wheeling 14 February 201730 June 2025

Changes in precipitation and runoff in New England may be driving more dissolved organic carbon into the Gulf of Maine.

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