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seasonal variability

Aerial image of glaciers in the Southern Alps in New Zealand, taken during the annual snowline survey
Posted inNews

First Global Comparison of Glacier Mass Change: They’re All Melting, and Fast

by Veronika Meduna 15 April 202515 April 2025

By systematically assessing data gathered by different methods, researchers refined estimates of global glacier melt and its contribution to sea level rise.

Muddy floodwaters flow through a ravine. People in bright orange and yellow raincoats assess damage near a green house on an eroded hillside.
Posted inNews

An Atmospheric River Exacerbated Türkiye’s 2023 Earthquake Crisis

by Andrew Chapman 8 April 20258 April 2025

A new study reveals how an atmospheric river led to more devastation after two earthquakes hit Türkiye and Syria, highlighting the need for better risk assessment models.

In this bird’s-eye view from a satellite, white ice meets gray ocean water.The ice is fractured into many smaller pieces.
Posted inResearch Spotlights

Warm Seawater Encroaches on Major Antarctic Ice Shelf

Sarah Stanley, Science Writer by Sarah Stanley 8 January 20258 January 2025

In unprecedented detail, new research illuminates the seasonal flow of warm water toward the Filchner-Ronne Ice Shelf.

A smokestack emits smoke, which blocks out the Sun and is lit up against a blue and orange sky.
Posted inResearch Spotlights

Aerosols Could Be Weakening Summertime Circulation

by Rebecca Owen 18 December 202418 December 2024

Anthropogenic aerosol emissions may be a culprit behind weakening jet streams and weather systems in the Northern Hemisphere.

People floating in colorful tubes in the distance down gentle river rapids.
Posted inNews

Labor Day Dips Alter Stream Composition

by Grace van Deelen 30 August 20242 June 2025

Holiday weekend tubing introduces toxic chemicals and shifts microbial communities in a popular Colorado river.

Bright sunlight filters through tall trees growing from a mossy forest floor.
Posted inNews

Microbes in Tree Bark Absorb Millions of Tons of Methane Each Year

by Skyler Ware 23 August 202423 August 2024

New findings suggest that reforestation efforts could have a bigger—and more positive—climate impact than previously estimated.

A coral reef spotted with bone-white patches where the corals have bleached
Posted inNews

Some Reefs Could Bleach Year-Round by 2080

by Elise Cutts 9 August 202412 August 2024

Cutting greenhouse gas emissions could protect some reefs more than others.

A pair of hands holds a fossilized clam over a flat surface..
Posted inNews

Fossilized Shells Reveal the Seasonality of a Warmer Climate

by Sierra Bouchér 26 July 202425 July 2024

Summers could warm faster than winters in northern Europe, paleoclimate research suggests.

A satellite view of a western disturbance over India
Posted inNews

Shifting Winter Storms Bring More Flooding to India

Rishika Pardikar, Science Writer by Rishika Pardikar 1 May 20242 May 2024

Western disturbances are hanging out over India for longer, adversely affecting water security in the country.

Un Sol anaranjado se eleva sobre un banco de nubes.
Posted inNews

Temperaturas récord posiblemente continuarán ante la persistencia de El Niño

by Grace van Deelen 17 April 202417 April 2024

Es probable que las temperaturas globales superficiales del aire se mantengan elevadas durante el comienzo del verano debido a la persistencia del evento de El Niño.

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Features from AGU Publications

Research Spotlights

Wintertime Spike in Oceanic Iron Levels Detected near Hawaii

11 December 202511 December 2025
Editors' Highlights

Frictional Properties of the Nankai Accretionary Prism

11 December 20259 December 2025
Editors' Vox

Hydrothermal Circulation and Its Impact on the Earth System

3 December 20253 December 2025
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