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seasonal variability

The Sun rising above Arctic sea ice; view of a meltwater pond and pressure ridges in the foreground
Posted inNews

Arctic Ice Loss Could Shorten Winter Feeding Time for Zooplankton

by Veronika Meduna 2 October 20232 October 2023

The Arctic’s thinning sea ice allows more light to penetrate deeper into the ocean, holding zooplankton far beneath the surface.

Photo of the red Martian surface
Posted inNews

Ancient Mars May Have Had a Cyclical Climate

by Vijay Shankar Balakrishnan 29 September 202329 September 2023

Hexagonal structures in sediments are evidence of repeated wet and dry conditions on the Red Planet.

Posted inFeatures

Как необычная дружба разрушила мифы о вечной мерзлоте

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 20 September 202320 September 2023

“Прекрасные долгие споры” между американским ученым и российским исследователем помогли прояснить несколько фундаментальных предположений о таянии вечной мерзлоты.

An irrigation canal snakes by a field of lettuce outside Yuma, Ariz.
Posted inFeatures

Agriculture 3.0: Preparing for a Drier Future in the Colorado River Basin

Jane Palmer, Science Writer by Jane Palmer 5 July 20235 July 2023

Years of drought and climate change are causing water resources to dwindle in the Colorado River Basin. But farmers and scientists are collaborating to learn how to grow crops with less water.

Researchers stand on a field of ice marked by spots of open water.
Posted inNews

Sea Ice Is Going, but When Will It Be Gone?

by Saima May Sidik 28 June 202328 June 2023

A pair of studies demonstrate the uncertainty over when the Arctic will become seasonally sea ice free.

Beachgoers swim and lounge seaside on a calm day on a Catalan beach. The waters are a clear light blue, the sky is partly cloudy, and colorful buildings fill the background.
Posted inNews

Spain’s Seafaring Sports See Fewer Calm Days

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 2 June 20232 June 2023

Knowing the best days for calm or active water activities can strengthen the local economy and help tourists optimize their trips.

Una foto de cielos nublados sobre edificios y rascacielos de ladrillo.
Posted inNews

Imágenes de satélite revelan que los paisajes urbanos generan nubes

by Elissa Welle 24 May 202324 May 2023

Los cielos cubriendo las ciudades de los EE.UU. tienen más nubes que las áreas que las rodean.

Green grape plants grow in neat rows on light brown soil. Interspersed trees and buildings line the background.
Posted inNews

New Forecasting Tool Could Help Indian Farmers Plan Irrigation

Rishika Pardikar, Science Writer by Rishika Pardikar 18 May 202318 May 2023

Tropical weather is unpredictable, but a new tool could help farmers get a better grasp on it.

A photo of cloudy skies above brick buildings and skyscrapers
Posted inNews

Cityscapes Create Cloud Cover, Satellite Images Reveal

by Elissa Welle 15 May 202324 May 2023

The skies over U.S. cities are cloudier than their surrounding areas.

A person in shadow stands next to a mountain hemlock tree at Crater Lake, twisting a long coring instrument into the tree.
Posted inNews

In the Pacific Northwest, 2021 Was the Hottest Year in a Millennium

Sarah Derouin, Science Writer by Sarah Derouin 2 May 202319 May 2023

A 1,000-year temperature record shows unprecedented warming in the Pacific Northwest, and new modeling predicts the likelihood of future heat waves in the decades to come.

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Features from AGU Publications

Research Spotlights

On the Origins of Subantarctic Mode Waters

2 June 20252 June 2025
Editors' Highlights

Seasonal Iron Cycle and Production in the Subantarctic Southern Ocean

29 May 202529 May 2025
Editors' Vox

Keeping Soil Healthy: Why It Matters and How Science Can Help

29 May 202529 May 2025
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