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seasonal variability

Posted inEditors' Highlights

A Step Closer to Quantifying Global Photosynthesis in Real Time

by Valeriy Ivanov 12 March 20197 July 2022

High spatial and temporal resolutions of a data set on a proxy for plant photosynthesis, as well as contiguous global coverage, have great utility for a variety of applications.

Cherry trees blossom near the Tidal Basin in Washington, D.C.
Posted inNews

Cherry Blossoms’ Peak Bloom Is an Indicator of Climate Change

by Randy Showstack 7 March 20194 April 2023

Projected peak bloom days are around the historic average this year, but experts say climate change is altering the long-term blooming schedule.

The view near McMurdo Station, Antarctica
Posted inResearch Spotlights

Observations Show Gravity Waves Above Antarctica Dance in Winter

by Terri Cook 5 February 20198 March 2022

Year-round observations show gravity waves above Antarctica exhibit seasonal patterns that peak in winter, which could help researchers trace the source of this mysterious phenomenon.

Drought effects on a cornfield in Texas
Posted inScience Updates

Subseasonal to Decadal Predictions: Successes and Challenges

by G. Danabasoglu, F. Vitart and W. J. Merryfield 31 January 20192 February 2023

International Conferences on Subseasonal to Decadal Prediction; Boulder, Colorado, 17–21 September 2018

DSCOVR Earth from space
Posted inNews

One-Pixel Views of Earth Reveal Seasonal Changes

Katherine Kornei, Science Writer by Katherine Kornei 9 January 201929 March 2023

By averaging satellite images of the Earth down to a single pixel, researchers trace how the planet’s mean color varies over time, results that inform observations of distant exoplanets.

Pyrenees in Catalonia Spain
Posted inNews

Microbes Rain Down from Above, to the Tune of the Seasons

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 8 January 201923 March 2023

Every time snow or rain falls, it brings with it microbes from high in the atmosphere. Could those microbes have a seasonal signal, just like the plants on the land below?

Posted inEditors' Vox

The Value of Snow

by J. D. Lundquist 18 December 201828 February 2023

Investments in snow pay high-dollar dividends.

Sneezing person
Posted inNews

Google Trends Could Help Scientists Track Allergy Season

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 13 December 20187 February 2023

Admit it: When your nose starts to run and your eyes itch, you search Google, too.

Young citizen scientists use a ski pole to collect snow depth data
Posted inScience Updates

Crowdsourcing Snow Depth Data with Citizen Scientists

by D. F. Hill, G. J. Wolken, K. W. Jones, R. Crumley and A. Arendt 3 December 20189 March 2023

A new project harnesses the power of the winter backcountry recreation community to gather data that are vital to understanding snow, from winter hazards to water resources.

Curiosity rover explores the Bagnold Dunes in Gale Crater, Mars
Posted inEditors' Vox

Seeing Mars in a Grain of Sand

by M. G. A. Lapotre 17 October 20183 January 2023

The second phase of Curiosity’s campaign at the Bagnold Dunes brought new observations of windblown sands during Mars’s windy season.

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Features from AGU Publications

Research Spotlights

Machine Learning Simulates 1,000 Years of Climate

27 August 202527 August 2025
Editors' Highlights

Quantifying Predictability of the Middle Atmosphere

5 September 20255 September 2025
Editors' Vox

Experienced Researcher Book Publishing: Sharing Deep Expertise

3 September 202526 August 2025
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