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2021 AGU

Roadside ditches can remove nitrogen from water before it gets to waterways.
Posted inENGAGE, Research Spotlights

Roadside Ditches Are Effective at Nitrogen Removal

Sarah Derouin, Science Writer by Sarah Derouin 4 August 202130 March 2023

Researchers compared the nitrogen removal potential by microbes in ditches that drained forested, urban, and agricultural lands and discovered that roadside ditches are important areas for removing nutrients.

西弗吉尼亚州的天然气管道地役权。
Posted inResearch Spotlights

美国天然气管道路线与环境公正

Elizabeth Thompson by Elizabeth Thompson 4 August 20213 March 2025

管道基础设施给美国最脆弱的社区带来了不成比例的负担。

An extratropical cyclone over the U.S. Midwest
Posted inResearch Spotlights

Improving Weather Simulations Through Increased Generality

by Morgan Rehnberg 3 August 20218 July 2024

By adding support for spatially variable velocity fields and anisotropy, the CoSMoS simulation package can more accurately reproduce physical phenomena.

A photograph of a statue on Santorini
Posted inNews

In a Twist, a Greek Volcano Ruled by the Sea

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 2 August 202128 January 2022

Move over Hephaestus, Poseidon’s got this one.

A view of Kīlauea’s summit lava lake
Posted inResearch Spotlights

Volcanic Tremor and Deformation at Kīlauea

Kate Wheeling, freelance science writer by Kate Wheeling 2 August 20216 March 2023

Two new studies investigate activity at Hawaii’s Kīlauea leading up to and following the 2018 eruption to better understand the volcano’s plumbing and behavior.

During the Mesozoic, the fragmentation of Pangaea contributed to long-term climate trends.
Posted inResearch Spotlights

Simulating 195 Million Years of Global Climate in the Mesozoic

by Jack Lee 30 July 20217 October 2021

An ensemble of climate simulations identifies factors that drove long-term trends of a prehistoric greenhouse climate.

Satellite image of a phytoplankton bloom on the ocean’s surface.
Posted inNews

Eddy Killing in the Ocean

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 29 July 202128 September 2021

Solving the case of ocean eddy death could help climate modelers better represent the effect of wind.

A yellow and orange star in the center of the image. A vertical line through the center of the star indicates the star’s spin axis, and two white arrows indicate that the star rotates clockwise. An exoplanet transits the star as a dark circle. Its orbit cuts across the star’s surface as a white line with arrows indicating that it moves from top to bottom.
Posted inNews

Peculiar Planets Prefer Perpendicular Paths

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 29 July 202128 September 2021

Some exoplanets orbit their stars from pole to pole instead of across the equator. Why do they do that?

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.

People in Copenhagen wearing face masks
Posted inResearch Spotlights

Scientists Uncover the Seasonality of COVID-19

Kate Wheeling, freelance science writer by Kate Wheeling 29 July 20215 October 2021

Researchers identify the environmental variables driving the seasonality of the novel coronavirus.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

Improving Eddy Tower Evapotranspiration Estimates

20 May 202620 May 2026
Editors' Highlights

Recycled Rocks Reveal Subduction Zone Dynamics Off Baja California

21 May 202621 May 2026
Editors' Vox

The Impact of Advocacy: American Geophysical Union’s Days of Action

14 May 202613 May 2026
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