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Wetlands

A cloudy sky above a landscape of evergreens and trees lacking any leaves, a cascade of beaver ponds cuts through the forest. On the right side of one of the ponds, a moose stands with its head down, reflected in the water.
Posted inNews

Scientists EEAGER-ly Track Beavers Across Western United States

by Alka Tripathy-Lang 3 January 20233 January 2023

Efficiently tracking nature’s engineers—beavers—at the scale of entire watersheds over time is now possible, thanks to a new artificial intelligence–trained model called EEAGER.

A sunset casts pink hues onto clouds over a waterway, with trees silhouetted against the light.
Posted inResearch Spotlights

Measuring the Ins and Outflows of Estuaries

by Saima May Sidik 8 November 20228 November 2022

Scientists modeled monitoring schemes in three different estuaries to determine instrument layouts that could effectively and efficiently measure exchanges of salt water and freshwater.

Map of the Yukon-Kuskokwim Delta in Alaska
Posted inEditors' Highlights

The Burning Tundra

by Marguerite A. Xenopoulos 4 October 202219 January 2023

As wildfires blaze through the Arctic, scientists examine the role of landscape characteristics on wildfire ecosystem responses in northern aquatic ecosystems.

Aerial view of a muddy river delta with meandering stream channels emanating from a river emerging from a forest
Posted inResearch Spotlights

When Projecting Coastal Resilience, Sediment Compaction Is Key

by Morgan Rehnberg 30 September 202230 September 2022

The addition of new sediment helps build up lowland environments like deltas and marshes, but it also compacts materials beneath it—a vital, but often overlooked, factor in landscape evolution studies.

A view looking over an expansive area of low shrubs and trees, with tall buildings and mountains visible in the distance
Posted inResearch Spotlights

Exploring Carbon Emissions in Peatland Restoration

by Sarah Derouin 22 September 202222 September 2022

Rewetting bogs can increase methane emissions in the short term, but ultimately the approach helps restore peatlands and create larger carbon sinks.

Aerial view of a farm in Illinois
Posted inNews

Wetlands on the Farm: Potent, Nutrient-Capturing Tools in (Relatively) Small Packages

by Kristen Coyne 21 September 2022

Constructed wetlands can significantly reduce water pollution from tile-drained farms.

Diagram showing how the authors used GPS, anchors, and fiber-optic strain meters to measure coastal subsidence.
Posted inEditors' Highlights

Tracking Subsidence on Deltas With Fiber-Optics

by John Shaw 20 September 202220 January 2023

Fiberoptic strain meters capable of measuring micron-scale subsidence reveal a Holocene sediment package on the Mississippi Delta that is mostly stable.

Aerial view of a large wetland area, with part of an airplane wing in the foreground
Posted inResearch Spotlights

Tropical Wetlands Emit More Methane Than Previously Thought

by Rachel Fritts 13 September 20225 October 2022

Climate models could be vastly underestimating methane emissions from the world’s tropical wetlands, according to observational surveys of wetlands in Zambia.

Photograph of an eroding tidal channel bank.
Posted inEditors' Vox

Bank Retreat Controls River and Estuary Morphodynamics

by Kun Zhao, Giovanni Coco, Zheng Gong, Stephen E. Darby, Stefano Lanzoni, Fan Xu, Kaili Zhang and Ian Townend 13 September 202213 September 2022

Understanding and predicting the geomorphological response of fluvial and tidal channels to bank retreat underpins the robust management of water courses and the protection of wetlands.

Satellite image of the Mississippi delta.
Posted inNews

Estimating Land Loss in River Deltas

by Mohammed El-Said 31 August 202231 August 2022

Some deltas are susceptible to land loss during sea level rise, whereas others gain land because of changes in the courses of rivers.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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