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rivers

Water samples collected from Gwynns Falls stream in Baltimore
Posted inNews

Leaky Pipes Are Dosing Baltimore’s Waterways with Drugs

Richard Sima, freelance science writer by Richard J. Sima 22 October 202129 March 2023

Poor infrastructure is responsible for tens of thousands of pharmaceutical doses that flow through Baltimore’s streams each year.

Posted inResearch Spotlights

西伯利亚科雷马河的多年冻土碳元素含量极小

by Terri Cook 20 October 202120 October 2021

新的研究发现,北极河流目前运输的多年冻土来源的溶解有机碳有限,这对理解该地区变化的碳循环及其加速气候变化的潜力具有启示意义。

View of the Brahmaputra River with the sun low on the horizon
Posted inScience Updates

Tree Rings Reveal a 700-Year Record of Flooding in Bangladesh

by Mukund Palat Rao and Benjamin I. Cook 15 October 202115 October 2021

Trees tell of a wetter past along the Brahmaputra River and, combined with climate modeling, suggest heightened future flood risks in one of the world’s most densely populated areas.

This junction in Colorado’s Snake River is tinged with orange due to acid rock drainage.
Posted inNews

New Contamination Concern for Colorado Streams

by Nancy Averett 14 October 202129 March 2023

Abandoned hardrock mines and climate change cause metals and other elements to leach into streams. They also put rare earth elements into the water, a new study finds.

On the left is a schematic illustrating the model setup in an idealized rectangular channel. On the right is a contour plot of predicted ratio of lateral erosion rate to vertical erosion rate as a function of transport stage and relative sediment supply.
Posted inEditors' Highlights

Impacts by Moving Gravel Cause River Channels to Widen or Narrow

by Mikaël Attal 24 September 202115 February 2023

A new analytical model describes how the amount and grain size of sediment transported by rivers influences bedrock channel width, which can be used to predict where rivers will widen or narrow.

The Duvannyi Yar thaw site on the Kolyma River in Siberia
Posted inResearch Spotlights

Minimal Evidence of Permafrost Carbon in Siberia’s Kolyma River

by Terri Cook 20 September 202120 September 2023

New research finds that Arctic rivers currently transport limited permafrost-derived dissolved organic carbon, which has implications for understanding the region’s changing carbon cycle—and its potential to accelerate climate change.

Alligator on a log in the waters of the Mississippi River Delta
Posted inNews

Building a Better River Delta

by Danielle Beurteaux 8 September 202119 September 2023

People have been engineering river deltas for millennia, but new research identifies the optimal placement for diversions that benefit both local communities and the environment—and it might be close to a city.

流经西伯利亚的额尔齐斯河
Posted inResearch Spotlights

300万年前,额尔齐斯河推动了北极海冰的扩张

by David Shultz 25 August 202129 September 2021

西伯利亚河的形成导致大量淡水流入喀拉海,从根本上改变了北冰洋和地球的气候。

Irtysh River flowing through Siberia.
Posted inResearch Spotlights

Irtysh River Drove Arctic Sea Ice Expansion 3 Million Years Ago

by David Shultz 29 July 202126 January 2023

The Siberian river’s creation caused a massive influx of fresh water into the Kara Sea and radically changed the Arctic Ocean and Earth’s climate.

Map of the United States showing location of catchments classified using stormflow and baseflow characteristics derived from continuous rainfall-streamflow time series and their inferred streamflow generation mechanisms.
Posted inEditors' Highlights

Analysis Reveals Patterns of Streamflow Generation Across USA

by K. McGuire 23 July 20219 May 2022

A new study transforms a classic conceptual framework into a quantitative classification of streamflow generation patterns.

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Features from AGU Publications

Research Spotlights

Coherent, Not Chaotic, Migration in the Brahmaputra-Jamuna River

2 July 20252 July 2025
Editors' Highlights

The Mid-20th Century Winter Cooling in the Eastern U.S. Explained

3 July 20253 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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