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Journal of Geophysical Research: Biogeosciences

Satellite view of parts of the eastern Mediterranean and Middle East showing dust in the atmosphere
Posted inResearch Spotlights

Bacteria Travel Thousands of Kilometers on Airborne Dust

by Derek Smith 22 November 2022

As winds pick up dirt and sand, they also pick up any microbes adhering to those particles, potentially introducing them to new locations.

Magnified black-and-white images of two fossils.
Posted inResearch Spotlights

Fluid Dynamics of Tiny, Ancient Marine Animals

by Sarah Stanley 2 November 202230 January 2023

Water flow simulations using 3D models of fossils yield new clues to the evolution of organisms known as medusozoans.

Photograph of a seagrass meadow
Posted inEditors' Highlights

Warming and Agitation Intensify Seagrass Meadow Carbon Fluxes

by Jorge Villa 17 October 202212 October 2022

Carbon dioxide emissions surge in sediments when temperature and agitation increase, both of which are likely to continue rising in degraded Mediterranean seagrass meadows.

A person stands amid tall trees on a lush green mountainside.
Posted inResearch Spotlights

Amazon Basin Tree Rings Hold a Record of the Region’s Rainfall

by Rachel Fritts 11 October 202211 October 2022

New research provides a 200-year reconstruction of interannual rainfall in the Amazon basin using oxygen isotopes preserved in tree rings in Ecuador and Bolivia.

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.

Air bubbles rise from a scuba diver who is looking at a coral reef.
Posted inResearch Spotlights

Unchecked Ocean Warming Threatens Many Gulf and Caribbean Corals

by Rachel Fritts 23 September 202223 September 2022

Gulf of Mexico and Caribbean sea surface temperatures could surpass coral bleaching thresholds in the region as soon as 2050, motivating the need for prompt mitigation, researchers say.

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.

Magnified cross section of the internal cellular structure of a young tree.
Posted inResearch Spotlights

Plants Need a Lot of Power to Pump Sap

by Rebecca Dzombak 16 September 202216 September 2022

A novel calculation reveals how much power plants need to move water through their stems—and how plants gain energy from the process.

A thermal image of coastline shows plant evaporative stress in varying shades of red and green. Waterways in black snake through the mangrove forest, becoming narrower toward the top of the image. Land that touches or is near a waterway tends to have low evaporative stress and shows up as bright green, whereas areas farther inland indicate high evaporative stress and appear red.
Posted inResearch Spotlights

Optimizing Competing Instrument Needs with an Objective Metric

by Morgan Rehnberg 29 August 202229 August 2022

Intrinsic dimensionality can quantify the level of information obtainable for various possible instrument configurations.

Diagrams showing footprint, flux maps and hotspot maps.
Posted inEditors' Highlights

Sleuthing for Culprits of Greenhouse Gas Emissions

by Ankur R. Desai 23 August 202228 September 2022

A new approach to detect hot spots of methane emissions with eddy covariance flux towers proves to be a worthy contender.

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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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