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seasonal variability

A yellow submarine glider floats on the ocean surface.
Posted inResearch Spotlights

Autonomous Minisubmarine Measures Seawater Conditions

by Terri Cook 23 November 202027 September 2022

Forecasts of carbonate chemistry in coastal ecosystems determined from seasonal robotic measurements can improve fisheries management and help mitigate short-term ocean acidification events.

Figure comparing stratospheric ozone over the Arctic in March 2019 compared with March 2020
Posted inResearch Spotlights

An Extraordinary Winter in the Polar North

Kate Wheeling, freelance science writer by Kate Wheeling 20 November 202029 March 2022

An exceptionally strong stratospheric polar vortex coincided with a record-breaking Arctic Oscillation pattern and ozone destruction during the 2019–2020 winter season.

Dead tree and sand in Death Valley, Calif.
Posted inNews

Winter Drought Relief Unlikely in Western U.S.

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 16 October 202014 February 2022

This year is still on track to be one of the hottest years on record around the globe.

Chart showing the northward propagation of the moisture transport supplied by the East Asian summer monsoon between 1961 and 2017
Posted inEditors' Highlights

Meiyu: The Dragon Dictating Rainfall Variability in East Asia

by Z. Li 13 July 202013 March 2023

According to Chinese myth, rain is water poured out of a dragon; in reality is the Meiyu that dictates rainfall in eastern Asia, producing rain belts jumping from south in spring to north in summer.

Four researchers study and take notes on leaves in a forest on the Tibetan Plateau in China.
Posted inNews

Early Sprouting of Leaves Enhances Northern Hemisphere Warming

Tim Hornyak, Science Writer by Tim Hornyak 18 March 202013 March 2023

As leaf out has been advancing 4–5 days per decade, scientists say the effect of vegetation on climate remains poorly understood.

A clean two-lane road leads into a sunny winter day in Tromsø, Norway.
Posted inNews

Cleaner Air Takes Some of the Bite out of European Winters

Tim Hornyak, Science Writer by Tim Hornyak 26 February 202028 February 2023

Scientists find that reduced aerosol emissions correspond to fewer extremely cold days.

Graphs showing how accurately four different models predict seasonal climate change.
Posted inEditors' Highlights

Extreme Summer Heat over Europe Is Predictable Week-to-Week

by Alessandra Giannini 26 November 201914 February 2023

Forecasts made one to a few weeks in advance, known as “subseasonal to seasonal” predictions, show more skill in predicting extreme summer heat waves over Europe than spells of normal or cold weather.

A wintry scene of a New England forest with snow on the ground
Posted inNews

New England Winters Are “Losing the Cold”

Cheryl Katz, Science Writer by Cheryl Katz 13 November 201924 February 2023

As extreme cold days wane, the northeastern United States has experienced an increase in mud days.

Water dripping from snow on a tree
Posted inNews

Yet Again, Warmer Winter Looms for U.S.

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 17 October 201914 February 2022

NOAA’s winter forecasts are less confident than usual except in Alaska and Hawaii. Expect to see a lot of weather variability in the coming months.

Singapore skyline behind a green park
Posted inNews

No One-Size-Fits-All Way to Combat Urban Heat Island Effect

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 20 September 201923 February 2023

Tropical and dry cities respond differently to heat mitigation strategies. This difference should be considered when trying to protect residents from increasingly dangerous summer temperatures.

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A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

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