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seasonal variation

Algae in the Great Calcite Belt may play an important role in fluctuating atmospheric carbon levels.
Posted inResearch Spotlights

Tiny Creatures Form Massive, Bright Ring Around Antarctica

Sarah Stanley, Science Writer by Sarah Stanley 26 January 201727 September 2022

Dense algae populations in the Great Calcite Belt could cause carbon dioxide release from the ocean into the atmosphere.

Phenocam webcam image from Sevilleta National Wildlife Refuge, N.M.
Posted inScience Updates

Integrating Multiscale Seasonal Data for Resource Management

by Andrew D. Richardson, J. F. Weltzin and J. T. Morisette 23 January 20171 March 2023

Workshop on Phenology at Scales from Individual Plants to Satellite Pixels; Cambridge, Massachusetts, 21–23 June 2016

Microwave brightness temperature maps derived from satellite data.
Posted inScience Updates

Bringing Earth's Microwave Maps into Sharper Focus

by A. C. Paget, M. J. Brodzik, D. G. Long and M. A. Hardman 21 December 201631 March 2023

New processing capabilities improve the spatial resolution of satellite microwave data, enabling scientists to analyze trends in coastal regions and marginal ice zones.

Researchers study fine-scale ocean dynamics in the western Pacific.
Posted inResearch Spotlights

East of Japan, Upper Ocean Waves Follow a Seasonal Cycle

Sarah Stanley, Science Writer by Sarah Stanley 5 December 20166 December 2021

The seasonality of fine-scale, near-surface ocean dynamics raises important considerations for an upcoming satellite mission to measure global sea surface height.

Fish that suffocated from a red tide in Florida’s coastal ocean wash up onshore.
Posted inScience Updates

Coastal Observations from a New Vantage Point

by J. Salisbury, C. Davis, A. Erb, C. Hu, C. Gatebe, C. Jordan, Z. Lee, A. Mannino, C. B. Mouw, C. Schaaf, B. A. Schaeffer and M. Tzortziou 14 November 201614 February 2023

The NASA Geostationary Coastal and Air Pollution Events satellite mission plans to keep an eye on short-term processes that affect coastal communities and ecosystems.

Environmental data buoy at Granite Island Light Station, a Great Lakes Evaporation Network site on Lake Superior.
Posted inScience Updates

Predicting a Great Lake's Response to a Warm Winter

by J. D. Lenters, P. D. Blanken and B. Kerkez 11 November 201618 August 2025

The Superior Challenge Summit: Forecasting El Niño's Impact on the World's Largest Lake; Ann Arbor, Michigan, 17–19 May 2016

Low water levels in Uvas Reservoir in California, March 2014.
Posted inNews

U.S. Winter Outlook Sees No Drought Relief

by S. Lemonick 24 October 20166 February 2023

A weak La Niña is expected to further dry out southwestern and Gulf Coast states.

orbiter-data-shows-frost-not-liquid-water-helped-Martian-gullies-formation
Posted inResearch Spotlights

How Do Gullies Form on Mars?

Sarah Stanley, Science Writer by Sarah Stanley 26 August 201628 July 2022

New orbiter data support an important role for seasonal frost—not liquid water—in the formation of Martian gullies.

Posted inResearch Spotlights

Going Against the Flow: Documenting Seasonal Current Reversal

Alexandra Branscombe by A. Branscombe 3 August 201618 October 2022

Scientists discover the source of a coastal Korean current that reverses its flow in the summer.

Posted inResearch Spotlights

Defining the Onset and End of the Indian Summer Monsoon

Sarah Stanley, Science Writer by Sarah Stanley 15 June 201616 March 2023

A new, objective definition of the onset of the summer monsoon could improve predictions of rainfall in India.

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Features from AGU Publications

Research Spotlights

Tracking 20 Years of Productivity in Tidal Wetlands

7 July 20267 July 2026
Editors' Highlights

The Largest Ice Thickness Survey of Alaska’s Glaciers

7 July 20266 July 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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