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aerosols & particles

Posted inEditors' Highlights

A New Approach to Sea Spray Aerosol Production and Prediction

by Donald Wuebbles 9 January 20239 January 2023

Sea spray aerosols play a critical role in atmospheric processes. A new approach is in strong agreement with observations, paving the way for improved models of atmospheric aerosols of oceanic origin.

一艘生锈的渔船停在沙漠里。
Posted inResearch Spotlights

咸海干涸后,中亚的粉尘变多

by Saima May Sidik 19 December 202219 December 2022

随着世界第四大湖泊的消失,风从沙漠中扬起大量粉尘,散播到中亚地区,引发了人们对公共卫生的担忧。

A rusty fishing boat sits in a sandy desert.
Posted inResearch Spotlights

When the Aral Sea Dried Up, Central Asia Became Dustier

by Saima May Sidik 30 November 202219 December 2022

Winds kick up large amounts of dust from the desert that has formed as the world’s fourth largest lake has disappeared, spreading it around the region and raising concerns about public health.

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.

Un rayo aparece en medio de nubes de cenizas y vapor que están saliendo de volcán a la atmósfera sobre el océano.
Posted inResearch Spotlights

Monitoreando el agua en la columna eruptiva masiva del volcán de Tonga

by Sarah Stanley 15 November 202230 November 2022

La reciente erupción del volcán Hunga Tonga-Hunga Ha’apai arrojó aerosoles de sulfatos y una cantidad nunca antes vista de vapor de agua a la estratosfera.

A bolt of lightning flashes across a night sky.
Posted inNews

Salt Spray May Stifle Lightning over the Sea

by Carolyn Wilke 1 November 20224 November 2022

New research suggests that sea-salt aerosols seed large raindrops that starve clouds of water needed to make lightning. But not all scientists are convinced it’s simply about salt spray.

A lightning bolt appears amid clouds of ash and steam that are billowing from a volcano high into the atmosphere over the ocean.
Posted inResearch Spotlights

Tracking Water in the Tongan Volcano’s Massive Eruption Plume

by Sarah Stanley 24 October 202230 November 2022

The recent eruption of the Hunga Tonga–Hunga Ha‘apai volcano blasted sulfate aerosols and a record-breaking amount of water vapor into the stratosphere.

Satellite image of clouds and ship tracks in the Pacific Ocean south of Alaska
Posted inNews

Tracking Climate Through Ship Exhaust

by Humberto Basilio 27 September 202218 October 2022

International regulations have reduced aerosol pollutants released from ships. Now, researchers want to use ship tracks to better understand the ambiguous effects that cleaner air has on climate.

An artist’s rendering of North America in the weeks following the Chicxulub impact shows freezing conditions and skies hazy with sulfate aerosols.
Posted inScience Updates

A Post-Impact Deep Freeze for Dinosaurs

by Aubrey Zerkle 2 September 20225 October 2022

New research supports the hypothesis that dinosaurs were done in by climate change after an asteroid impact kicked up a massive plume of sulfur gases that circled the globe for several decades.

Irrigated fields in Srinagar, Jammu, and Kashmir
Posted inNews

Irrigation in Indo-Gangetic Plain Has Little Impact on Heat Stress

by Rishika Pardikar 30 August 20223 October 2022

Irrigation-related cooling during summer months is overestimated by roughly 5 times, highlighting the need for climate models to accurately reflect local agricultural practices.

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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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