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surface waves & tides

A large, fully loaded container ship arrives at a busy port in California.
Posted inNews

Rising Seas Boost Tsunami Impacts on Distant Shorelines

by Katherine Kornei 31 January 202231 January 2022

Modeling suggests that rising sea levels will render Southern California ports increasingly vulnerable to waves from distant-source tsunamis.

An artist’s rendering of early Earth with a huge Moon looking over the alien landscape, including oceans of water
Posted inNews

How Much Did the Moon Heat Young Earth?

by Jure Japelj 11 January 202211 January 2022

Tidal heating may have raised the surface temperature of early Earth and triggered global volcanism, a new study says.

An atmospheric river drenches California with heavy rain in 2019.
Posted inNews

Atmospheric Rivers Spur High-Tide Floods on U.S. West Coast

by Guananí Gómez-Van Cortright 17 December 202117 December 2021

Researchers analyzed 36 years of data to understand how atmospheric rivers and other factors drive chronic coastal flooding.

An icy Arctic vista is seen from a slight elevation. The landscape contains patches of white ice and randomly positioned pools of meltwater. Four scientists, small and seen from a distance, stand on the ice on the right side of the image.
Posted inNews

Melting Arctic Sea Ice Strengthens Tides

by Kimberly M. S. Cartier 21 October 20213 January 2023

If climate change throws off the seasonal freeze-thaw cycle of Arctic sea ice, it could trigger a reinforcing cycle of sea ice melt in parts of the Canadian Arctic.

A boat floats between flood buildings, with people walking on the sidewalks and across a bridge.
Posted inNews

For Venice’s Floodgates to Work, Better Forecasts Are Needed

by Damond Benningfield 14 October 202121 March 2022

Climate change increases massive storm surges, which may be more than Venice’s flood-control system can handle.

The heat surface of El Niño in 2015 looks like El Niño in 1997.
Posted inResearch Spotlights

Explaining Thermal Tides in the Upper Atmosphere During the 2015 El Niño

by David Shultz 26 August 202126 October 2021

Increased tropospheric heating and reduced dissipation combine to explain an anomalously large thermal tide.

Map showing location of study area (left) and conceptual model of tidally driven mixed sand–mud sediment transport at flood tide (right).
Posted inEditors' Highlights

Unravelling Sands and Muds Suspended in Coastal Environments

by Ryan P. Mulligan 26 July 202129 June 2022

A new study uses the response of optical and acoustic measurements to derive a sediment composition index for prediction of the relative fractions of mixed sediments in suspension.

Imagen mostrando bolsas y otros restos de plástico flotando en el océano.
Posted inResearch Spotlights

Rastreando cómo se mueve el plástico en el océano costero

by Kate Wheeling 3 March 2021

Investigadores utilizaron un tanque de olas para estudiar el movimiento de partículas de plástico de forma experimental y comprender el papel de la densidad de partículas en el comportamiento de deriva.

A research vessel in the Arctic at sunset
Posted inNews

The Influence of Tidal Forces Extends to the Arctic’s Deep Sea

by Jackie Rocheleau 21 January 202119 October 2021

The Moon’s gravitational pull creates the tides, but its influence extends hundreds of meters below the sea surface too, influencing sensitive methane seeps in the seabed.

An image depicting Jupiter and its four largest moons
Posted inResearch Spotlights

Jupiter’s Ocean Moons Raise Tidal Waves on One Another

by Rachel Fritts 20 August 202027 January 2022

New research considers the effect of Jupiter’s Galilean moons on each other’s oceans for the first time.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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