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surface waves & tides

Ocean wave viewed from below.
Posted inResearch Spotlights

The Dance of Surface Waves and Ocean Circulation

Shannon Hall by S. Hall 19 July 20168 June 2022

One mathematical model best describes the complex interplay between an ocean's surface waves and its underlying circulation.

Ocean-going ships like this National Oceanic and Atmospheric Administration vessel plying rough water off North Carolina occasionally encounter huge waves that science still cannot predict.
Posted inNews

Model Predicts Heights of Rogue Waves

Amy Coombs by A. Coombs 29 June 201617 October 2022

Rogue waves form without warning and can tower more than 25 meters high. A new mathematical approach shows promise at simulating how high these waves can be.

Traditional Polynesian navigators steer by stars close to the horizon for a more precise reckoning.
Posted inNews

Stars and Swells Guide a Polynesian Canoe Around the World

by E. Deatrick 22 June 201619 July 2022

Modern oceanographers and ancient navigators rely on similar waves to study the world's oceans.

Engineers decommissioning an ocean bottom seismometer and differential pressure gauge
Posted inResearch Spotlights

Streamlining Rapid Tsunami Forecasting

Sarah Stanley, Science Writer by Sarah Stanley 23 May 20168 December 2022

With enough sensors, traditional forecasting methods could be replaced by models continuously updated with real-time wave data.

Tidal bore traveling up the Mersey River in northwestern England.
Posted inResearch Spotlights

When Rivers and Tides Collide

Sarah Stanley, Science Writer by Sarah Stanley 28 April 201624 February 2023

Scientists review several decades of research on the complex freshwater reach where fluvial and tidal forces meet.

Posted inEditors' Vox

Tidal River Dynamics

by Mark Moldwin 6 April 201624 February 2023

Tidal rivers are a vital and little studied nexus between physical oceanography and hydrology.

Map of measured surface currents in the Malta Channel for 27 October 2015 at 11:00 GMT.
Posted inScience Updates

Growing Network of Radar Systems Monitors Ocean Surface Currents

by H. Roarty, L. Hazard and E. A. Fanjul 5 April 20166 June 2022

Fourth Meeting of the Global High Frequency Radar Network; Heraklion, Crete, Greece, 22–23 September 2015

Tide pool in the University of California Bodega Marine Reserve.
Posted inNews

Tide Pools Mimic Climate Change in Everyday Cycle

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 1 April 20164 January 2023

Researchers unexpectedly discovered that tiny shoreline ecosystems act as miniature laboratories in which ocean acidification and its effects play out nightly.

Posted inResearch Spotlights

Tracking Long-Term Changes in Global Sea Level Extremes

Sarah Stanley, Science Writer by Sarah Stanley 27 January 201610 March 2023

Large-scale climate change may drive trends in extreme sea level events.

Posted inResearch Spotlights

Simulating Tidal Flow and Mixing at Steep Submarine Slopes

Sarah Stanley, Science Writer by Sarah Stanley 21 January 20168 February 2023

A new three-dimensional model of tide-driven flow over the continental slope could enhance understanding of global ocean circulation.

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Features from AGU Publications

Research Spotlights

Droughts Sync Up as the Climate Changes

18 September 202518 September 2025
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Unexpected Carbonate Phase Revealed by Advanced Simulations

25 September 2025
Editors' Vox

How Glacial Forebulges Shape the Seas and Shake the Earth

23 September 202519 September 2025
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