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Journal of Geophysical Research: Biogeosciences

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A view of the San Juan Bay Estuary
Posted inResearch Spotlights

Linking Hydrology and Biogeochemistry in a Tropical Urban Estuary

Aaron Sidder, freelance science writer by Aaron Sidder 14 April 202010 February 2022

Low-lying coastal estuaries are intertwined with tropical cities around the world. Yet little is known about these water bodies, which affect millions of people globally.

Arial photo of the Duke Forest tree canopy
Posted inResearch Spotlights

Reforestation as a Local Cooling Mechanism

Aaron Sidder, freelance science writer by Aaron Sidder 2 April 20203 May 2022

Reforestation has been shown to cool surface temperatures, and a novel study suggests it may also reduce air temperature up to several stories above the ground.

Mangrove trees in Rookery Bay National Estuarine Research Reserve in Naples, Florida.
Posted inResearch Spotlights

Florida Coastlines Respond to Sea Level Rise

Elizabeth Thompson by Elizabeth Thompson 1 April 202010 February 2022

For more than a century, carbon burial rates have been increasing on some southern Florida coasts. Scientists now verify this trend and propose an explanation.

Beach on barrier island Spiekeroog in Germany
Posted inResearch Spotlights

Microbial Mechanisms Change with the Seasons

Elizabeth Thompson by Elizabeth Thompson 1 April 202012 October 2022

Microbes living in the sand on a barrier island alter the way they break down organic matter as their environment changes throughout the year, which has implications for the surrounding water column.

Chart showing mercury stable isotope concentrations in tree rings
Posted inEditors' Highlights

Trees Are Watching Us and Our Actions

by Ankur R. Desai 31 March 20205 May 2022

Annual growth rings in trees tell us more than climate history; they can also document the rise and fall of human industrial activities.

An aerial view of an agricultural landscape
Posted inResearch Spotlights

Mapping Nutrient Inputs in the Great Lakes Basin

Aaron Sidder, freelance science writer by Aaron Sidder 25 March 202024 February 2023

A new tool links nitrogen and phosphorus applications to land use classifications to better understand where and how much of the nutrients enter watersheds in the U.S. Great Lakes Basin.

Smoke from several California fires is seen from the International Space Station in August of 2018.
Posted inResearch Spotlights

Wildfire Smoke Boosts Photosynthetic Efficiency

Elizabeth Thompson by Elizabeth Thompson 12 February 202022 December 2021

Wildfires can destroy large tracts of vegetation. But their smoke plumes may help crops and other plants use sunlight more efficiently.

An algal bloom covers the surface of Lake Vansjø in Norway near the shore as children board canoes.
Posted inResearch Spotlights

Stored Nutrients and Climate Warming Will Feed More Algal Blooms

Elizabeth Thompson by Elizabeth Thompson 6 January 20206 June 2022

High nutrient concentrations cause water quality problems in lakes, and as the climate warms, these issues will only get worse. A new model assesses future scenarios and explores solutions.

A researcher collects a soil core from a marine coastal ecosystem dominated by the seagrass Posidonia oceanica.
Posted inResearch Spotlights

Improving Estimates of Coastal Carbon Sequestration

Sarah Stanley, Science Writer by Sarah Stanley 5 December 20199 March 2023

A new two-model approach could reduce uncertainties in calculated rates of “blue carbon” accumulation within soils of seagrass, tidal marsh, and mangrove habitats.

An instrument tower stands at the University of Michigan Biological Station, where researchers measured stable isotopic signals in water vapor amid two plots of forest.
Posted inResearch Spotlights

How Forest Structure Influences the Water Cycle

Kate Wheeling, freelance science writer by Kate Wheeling 15 October 20192 November 2021

New research looks at how changes in the arrangement of trees and canopy thickness influence the transport of water from the land surface to the atmosphere.

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Features from AGU Publications

Research Spotlights

More Bubbles Means More Variation in Ocean Carbon Storage

8 July 20258 July 2025
Editors' Highlights

Scientists Face Limitations Accessing Seafloor Information

9 July 20258 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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