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seasonal variability

An instrument with many sampling tubes is pulled out of the ocean at Station ALOHA. The samples will be analyzed for nutrient content, microbial diversity, and metabolic activity.
Posted inNews

Far-Flung Dust Storms Deliver Nutrient Boosts to North Pacific

Mary Caperton Morton, Science Writer by Mary Caperton Morton 22 July 20191 February 2023

Barren marine deserts bloom seasonally with iron infusions from Asian dust storms.

Illustration of observations of airglow collected by the International Space Station
Posted inResearch Spotlights

The When and Where of Mesospheric Bores Revealed

by David Shultz 17 July 201916 March 2023

In a new study, the enigmatic gravity waves were seen most frequently at equatorial latitudes and propagating from the winter to the summer hemisphere.

Haze over eastern Pennsylvania
Posted inResearch Spotlights

A New Look at Winter Air Quality in the Northeastern U.S.

by E. Underwood 9 May 201913 February 2023

Past studies underestimated a major pollution source, particularly in rural areas.

An ancient pine perched on top of a rock outcrop
Posted inNews

Tree Rings Record 19th-Century Anthropogenic Climate Change

Mary Caperton Morton, Science Writer by Mary Caperton Morton 8 May 20194 April 2023

Paleoclimate records, observational data, and climate modeling capture the influence of human activity on temperature seasonality.

An almond orchard with trees in bloom
Posted inNews

California Heat Waves Triggered by Pacific Thunderstorms

Mary Caperton Morton, Science Writer by Mary Caperton Morton 29 April 201930 March 2023

New link may offer 5-week lead time on predicting extreme heat in California’s fruit belt.

Scientists collect water samples in Antarctica.
Posted inResearch Spotlights

Antarctica’s Seasonal Streams Contribute Iron to the Ross Sea

by Terri Cook 22 April 201925 August 2022

Analysis of nutrient concentrations in four streams that discharge to the Southern Ocean indicates they are important sources of iron and phosphorous for coastal phytoplankton communities.

Nuns pose with a snowman at the Vatican in Rome on 26 February 2018.
Posted inResearch Spotlights

Using Multiple Models to Improve Seasonal Forecasting

by Terri Cook 15 April 201929 March 2022

The first study to examine the ability of a suite of general circulation models to predict sudden warmings in Earth’s stratosphere highlights the potential for improving Northern Hemisphere forecasts.

The Yenisei and Ob Rivers in Russia flow into the Kara Sea
Posted inResearch Spotlights

How Yellowing Seas Will Affect Ocean Temperatures

by E. Underwood 12 April 20191 February 2023

Materials that trap solar heat at the sea surface could cause more extreme temperatures.

Whitecaps dot a stormy sea
Posted inNews

Take Weather Prediction with a Grain of Salt and It Gets Better

Bas den Hond, Science Writer by Bas den Hond 12 April 201925 July 2022

Sea surface salinity is starting to rival other methods for seasonal rain forecasting.

Scientists in Arctic
Posted inNews

The Ice Nurseries of the Arctic Are Melting

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 11 April 20194 April 2023

Ice formed in coastal nurseries along Russia’s Arctic coast is melting before it can float far offshore. Scientists are worried about what that means for wildlife.

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