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aerosols & particles

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

Sarah Stanley, Science Writer 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

Sarah Stanley, Science Writer 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 202222 February 2023

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

Rishika Pardikar, Science Writer by Rishika Pardikar 30 August 202215 April 2024

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

Viburnum leaf beetle on a chewed leaf
Posted inResearch Spotlights

Plant-Nibbling Insects May Make It Cloudier and Cooler

by Rebecca Dzombak 17 August 202217 August 2022

Insects that eat plant leaves could change the local atmosphere, but current climate models do not account for this impact.

Natural-color image of Hurricane Iota in the Gulf of Mexico from NOAA’s GOES-16 geostationary satellite
Posted inNews

The Complex Relationship Between Hurricanes, Air Pollution, and Climate

by Alakananda Dasgupta 17 August 20222 September 2022

A new study focuses on the frequency and distribution of tropical cyclones over the past 40 years.

北京一处雾霭中的高塔
Posted inResearch Spotlights

中国空气质量仍需进一步改善

by Saima May Sidik 12 August 202212 August 2022

在过去十年里,有毒颗粒物减少了约三分之一,但空气污染水平仍然高于健康水平。

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