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Surface water quality

Green-hued water laps the shoreline at a beach on Lake Erie
Posted inResearch Spotlights

Remote Sensing of Algal Blooms Can Improve Health and Save Money

by David Shultz 27 August 2020

Using satellites to detect cyanobacterial algal blooms can foster faster decision-making that reduces harm to public health as well as associated costs.

Experimental crown fire in the boreal forest, Northwest Territories, Canada
Posted inEditors' Vox

New Special Collection: Fire in the Earth System

by Amy E. East and C. Santin 27 April 2020

Papers are invited for a new cross-journal special collection presenting advances in understanding the physical and biogeochemical processes associated with landscape fires and their impacts.

Water channel through marsh grasses in Galveston, Texas
Posted inOpinions

New Clean Water Act Rule Leaves U.S. Waters Vulnerable

by A. S. Ward and R. Walsh 11 February 202029 September 2021

A revised definition of which waters can be protected from pollution by the federal government ignores established science.

Land use map of the Selke river catchment in central Germany
Posted inEditors' Highlights

New Isotope Model Predicts Denitrification from Riparian Zones

by D. Scott Mackay 13 January 2020

A new model quantifies the relative contributions of denitrification and other processes of nitrogen uptake, such as by plants, from groundwater in riparian areas around streams.

Steam rises from garbage and a polluted river.
Posted inNews

Antibiotics Are Flooding Earth’s Rivers

by L. Joel 5 July 2019

The drugs can lead to drug-resistant bacteria and deadly infections.

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 2019

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

A new initiative uses satellite data, observations, and communication networks to warn Bangladeshis of cholera hazards.
Posted inScience Updates

Satellites and Cell Phones Form a Cholera Early-Warning System

by A. S. Akanda, S. Aziz, A. Jutla, A. Huq, M. Alam, G. U. Ahsan and R. R. Colwell 27 March 2018

A new initiative combines satellite data with ground observations to assess and predict the risk of cholera outbreaks in Bangladesh’s vulnerable populations.

Dry bed of Lake Soyang following a severe drought in South Korea.
Posted inScience Updates

Aquatic Ecosystems in a Changing Climate

by S. Inamdar, J. B. Shanley and W. H. McDowell 29 June 201730 June 2017

Chapman Conference on Extreme Climate Event Impacts on Aquatic Biogeochemical Cycles and Fluxes; San Juan, Puerto Rico, 22–27 January 2017

Tim Cohn
Posted inNews

Timothy A. Cohn (1957–2017)

by R. M. Hirsch 23 June 2017

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.

Streams and rivers play an important role in the exchange of carbon dioxide between terrestrial ecosystems, atmosphere, and ocean.
Posted inResearch Spotlights

Why Is There So Much Carbon Dioxide in Rivers?

by S. Witman 19 May 2017

Observations of carbon dioxide oversaturation in the freshwater of the world led scientists to study its underlying causes at more than 100 field locations across the nation.

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