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seasonal variability

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.

Cache Lake in Ontario, Canada, surrounded by northern hardwood forest.
Posted inResearch Spotlights

Hydrology Dictates Fate of Carbon from Northern Hardwood Forests

Aaron Sidder, freelance science writer by Aaron Sidder 12 October 201821 March 2022

As spring snowmelt and fall rains inundate northern hardwood forests with moisture, soil bacteria get moving and increase carbon exports to the atmosphere and into nearby water bodies.

Posted inEditors' Vox

Observing Winter Mixing and Spring Bloom in the Mediterranean

by P. Conan, P. Testor, C. Estournel, F. D'Ortenzio and X. Durrieu de Madron 9 October 201816 December 2021

A new special issue of JGR: Oceans and JGR: Atmospheres presents new insights into the dynamics of dense water formation in the western Mediterranean Sea and its biogeochemical consequences.

Satellite image of Point Barrow, Alaska. A 40-year record of carbon dioxide concentrations in Alaska offers insight into how the carbon cycle responds to temperature.
Posted inResearch Spotlights

Autumn Warming No Longer Accelerating Carbon Loss in the North

by Terri Cook 21 September 201824 February 2023

An analysis of Point Barrow’s 40-year record points to the importance of calculating the carbon cycle’s response to temperature during the northern latitudes’ non-growing season.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

Bacteria Decide the Ocean’s Dissolved Organic Carbon Abundance

3 March 20263 March 2026
Editors' Highlights

Severe 2023 Drought: Sinking Carbon Sink in the Amazon

3 March 20263 March 2026
Editors' Vox

A Double-Edged Sword: The Global Oxychlorine Cycle on Mars

10 February 202610 February 2026
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