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seasonal variability

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.

Posted inResearch Spotlights

Improving the Identification of Extreme Precipitation Trends in the U.S.

by Terri Cook 14 April 201628 February 2023

By greatly reducing the associated uncertainty, a new model is better able to discern statistically significant trends, offering the potential to improve the seasonal forecasting of rare events.

Posted inResearch Spotlights

After a Century, Restored Wetlands May Still Be a Carbon Source

by Terri Cook 15 March 201623 January 2023

Methane emissions can drastically lower, or even reverse, the benefits of carbon sequestration in restored wetlands, according to new measurements from the Sacramento–San Joaquin Delta.

Posted inResearch Spotlights

Moored Ocean Buoy Tracks Marine Carbon Cycle Variations

by Mark Zastrow 14 March 201617 March 2023

Years of data from a North Pacific ocean station show that the ocean's ability to pull carbon out of the atmosphere is controlled by biological and physical processes that change between seasons.

Posted inScience Updates

Predicting Intraseasonal to Seasonal Climate Variation

by T. Doi 11 March 201616 February 2023

Tropical Precipitation System Workshop 2015; Yokohama, Japan, 3–4 September 2015

Posted inResearch Spotlights

An Unprecedented View of Biogeochemistry off India's West Coast

Sarah Stanley, Science Writer by Sarah Stanley 25 February 20162 March 2023

Yearlong study reveals seasonal changes in oxygen levels, nutrient availability, and plankton growth.

Posted inResearch Spotlights

Does El Niño Intensity Affect Precipitation in California?

by Terri Cook 24 February 20166 March 2023

Modeling experiments demonstrate that strong El Niños greatly increase odds for wet winters over California's principal watersheds compared to impacts of weak and moderate El Niños.

Posted inResearch Spotlights

Great Lakes Hold Sway over Water and Carbon Cycling

by L. Strelich 21 October 20151 March 2023

The largest body of fresh water on Earth governs the exchange of gases between water and the atmosphere that makes it a carbon sink for the entire region.

Posted inNews

This Winter's El Niño Might Only Dent Western U.S. Drought

Cody Sullivan by C. Sullivan 16 October 20152 May 2023

The National Oceanic and Atmospheric Administration released its winter weather outlook, which predicts a warm and wet winter in California but not enough rain to eliminate the state's pernicious drought.

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Features from AGU Publications

Research Spotlights

Denitrification Looks Different in Rivers Versus Streams

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Editors' Highlights

How Satellite Data Helped Avoid Hunger from Drought

20 January 202620 January 2026
Editors' Vox

Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

16 January 202616 January 2026
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