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surface waves & tides

Two men in a Zodiac navigate icy waters.
Posted inNews

A Fiber-Optic Cable Eavesdrops on a Calving Glacier

by Carolyn Wilke 22 September 202522 September 2025

A glass thread strung along the bottom of a fjord captured the entire process of calving, from the cracking of ice to the breakup of bergs.

Four warmly dressed scientists stand around a large metal rig taller than them that is drilling a hole into the ice they are standing on. More scientists stand in the background, and a crane is stretched over the metal rig, lowering a cable into the hole.
Posted inResearch Spotlights

Strong Tides Speed Melting of Antarctic Ice Shelves

by Saima May Sidik 8 September 20258 September 2025

Ocean currents along the underside of the ice are a major control over melting.

A wakeboat seen from above, with frothy white waves churning off the stern
Posted inNews

A Debate over Wakes in the Land of 10,000 Lakes

by J. Besl 29 August 202528 August 2025

Wakeboats are turning Minnesota’s lakes into summertime surf spots, but the artificial chop can shake up the lake bed, too. New wake data can help communities plan for responsible recreation.

Floodwaters rise above the street and sidewalk in a downtown area.
Posted inNews

Residents Know When Floods Happen, But Data Must Catch Up

by Grace van Deelen 12 August 202512 August 2025

Federal flood measurements often don’t match what people see in their communities. Scientists have created a hyperlocal solution.

一条河流及后面可见的绿色河岸,山峦和一处灰色的建筑。
Posted inResearch Spotlights

追踪黑碳进入海洋的过程

Aaron Sidder, freelance science writer by Aaron Sidder 24 July 202524 July 2025

科学家们对三个河口进行研究,来寻找海洋溶解黑碳缺失的来源。

A diver, wearing goggles and an oxygen tank, uses a wrench to repair an underwater cable.
Posted inResearch Spotlights

A Transatlantic Communications Cable Does Double Duty

by Saima May Sidik 16 July 202516 July 2025

A new device enables existing submarine cable networks to measure deep-sea movements. It could ultimately help improve tsunami warnings and climate monitoring.

A green riverbank and a building are visible behind a river.
Posted inResearch Spotlights

Tracing Black Carbon’s Journey to the Ocean

Aaron Sidder, freelance science writer by Aaron Sidder 11 July 202524 July 2025

Scientists surveyed a trio of estuaries in pursuit of a missing source of oceanic dissolved black carbon.

A photo of bubbles near the ocean’s surface, taken from underwater
Posted inResearch Spotlights

More Bubbles Means More Variation in Ocean Carbon Storage

by Saima May Sidik 8 July 20258 July 2025

A new model accounting for the role of bubbles in air-sea gas exchanges suggests that ocean carbon uptake is more variable than previously thought.

Fine-grained sand on the ocean floor, marked by the rippling movement of currents
Posted inResearch Spotlights

Mapping the Ocean Floor with Ancient Tides

Aaron Sidder, freelance science writer by Aaron Sidder 6 May 20256 May 2025

A new study uses a paleotidal model to trace the formation of carbon-rich mud deposits over thousands of years.

A dirt road curves into the distance. On either side are trees and brush.
Posted inResearch Spotlights

Flood Prediction Could Boost Road Resilience off Georgia’s Coast

Sarah Derouin, Science Writer by Sarah Derouin 2 May 20252 May 2025

Researchers and community members worked together to develop recommendations for how Little Cumberland Island can mitigate flooding hazards.

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