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Rivers

Researchers use a laboratory experiment to assess how nonflood river flow influences delta growth.
Posted inResearch Spotlights

Nonflood Flow May Be Major Driver of Delta Growth

by Sarah Stanley 12 December 201711 February 2022

Plants and fluctuating river flow work together to balance vertical sediment buildup with sediment delivery to the delta’s edge.

Increased winter flows in the Tanana River have puzzled researchers—until now
Posted inResearch Spotlights

Why Are Arctic Rivers Rising in Winter?

by E. Underwood 5 September 20177 September 2018

Increased glacial melt is boosting winter streamflows by filling aquifers, a new study on an Alaskan river suggests.

Researchers use a simplified model to reassess assumptions about floods
Posted inResearch Spotlights

Deciphering Deluges

by S. Witman 31 August 20173 June 2022

New modeling approach reexamines two key assumptions about flooding.

Researchers examine how slope determines stream shape.
Posted inResearch Spotlights

What Controls the Shape of Steep Mountain Streams?

by Sarah Stanley 28 August 201727 April 2022

The shape of steep river streams changes systematically with channel slope, but field data and theoretical analysis reveal that slope is not the sole factor in setting a channel’s form.

Researchers use cosmogenic isotopes to study ocean river transport.
Posted inResearch Spotlights

Tracing Land to Ocean River Transport with Cosmogenic Isotopes

by S. Witman 23 August 201728 January 2022

Beryllium stored in marine sediments can help scientists study erosion and other environmental changes.

Posted inEditors' Vox

Small Streams Make Big Contribution to Carbon Cycle

by A. Marx, R. van Geldern and J. Barth 18 August 201716 February 2022

A recent paper in Reviews of Geophysics discussed the carbon dynamics of headwater streams.

Researchers assess how past flooding influences river meanders
Posted inResearch Spotlights

A New Model for River Meanders

by E. Underwood 2 August 20177 October 2022

A river’s twists and turns are shaped by its past flood events.

An irrigation ditch near the Mont Saint-Michel World Heritage Site in France.
Posted inScience Updates

Protecting Water Resources Through a Focus on Headwater Streams

by B. W. Abbott, G. Pinay and T. Burt 7 July 20179 May 2022

Where Land Becomes Stream: Connecting Spatial and Temporal Scales to Better Understand and Manage Catchment Ecosystems; Rennes, France, 7–8 March 2017

Researchers examine the impact of the Congo River on coastal waters.
Posted inResearch Spotlights

River Plumes near the Equator Have Major Effects on Oceans

by S. Witman 17 May 201722 July 2022

Every second, the Congo sends millions of gallons of freshwater deep into the Atlantic, influencing marine plants and wildlife.

Researchers assess whether methods of studying alluvial rivers are helpful to understanding behavior of rivers without loose sediment.
Posted inResearch Spotlights

How Do Rivers Flow over Bedrock?

by Terri Cook 8 May 201713 October 2022

A study questions whether the hydraulics of rivers that lack loose sediments along their bottoms can be accurately depicted by standard equations for flow over sediment.

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EDITORS' VOX
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