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Science News by AGU

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Pacific Ocean

Muon detectors in a tunnel under Tokyo Bay
Posted inNews

Muography Array Under Tokyo Bay Spots Meteotsunami Waves

by Tim Hornyak 20 May 2022

A new study shows how muons can be used to study tide and wave phenomena, helping secure coastal communities.

Red-filter image of the Hunga Tonga–Hunga Ha‘apai eruption on 15 January 2022
Posted inResearch Spotlights

Modeling Atmospheric Waves from Hunga Tonga–Hunga Ha‘apai

by Aaron Sidder 12 May 202212 May 2022

A shallow-water oceanic model showed agreement with satellite observations of atmospheric waves produced by the eruption of the underwater volcano.

Microscopic image of a mucosphere with microbes trapped inside it.
Posted inNews

The Ocean Is Still Sucking Up Carbon—Maybe More Than We Think

by Nancy Averett 3 May 20224 May 2022

Recent studies looking at carbon-sequestering microbes suggest we still have a lot to learn about the ocean’s biological carbon pump.

An image of a partially submerged house, powerline pole, and foliage in a flooded neighborhood in Asunción, Paraguay
Posted inNews

More Frequent El Niño Events Predicted by 2040

by Rachel Fritts 20 April 202220 April 2022

Cutting-edge models predict that El Niño frequency will increase within 2 decades because of climate change, regardless of emissions mitigation efforts.

Andrew Pietruszka helps guide the pilot of a remotely operated vehicle exploring underwater sites that may contain aircraft wreckage from WWII.
Posted inNews

Robotic Vehicles Explore World War II Era Ocean Battlefields

by James Dacey 7 April 20227 April 2022

Project Recover used autonomous underwater vehicles to identify, access, and image hard-to-reach World War II wreckage sites near the Northern Mariana Islands.

Three deep-sea mining machines parked on shore dwarf two people wearing bright yellow jackets.
Posted inFeatures

The 2-Year Countdown to Deep-Sea Mining

by Jenessa Duncombe 24 January 202218 April 2022

A small island nation is forcing the hand of international regulators to finalize rules for deep-sea mining, but scientists say the environmental consequences are not yet clear.

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.

Sea surface reflection from satellite images showing solitary wave fronts
Posted inEditors' Highlights

Atoll Seismometer Detection of Solitary Ocean Waves

by T. W. Becker 10 September 202113 January 2022

Seismic recordings from the South China Sea indicate that subtle, daily tilting of shorelines due to passing internal ocean waves can be measured on land, promising new constraints on ocean dynamics.

A coast of the Galapagos Islands in the eastern tropical Pacific
Posted inNews

Tropical Climate Change Is a Puzzle—Could Aerosols Be a Piece?

by Andrew Chapman 9 September 202114 April 2022

The eastern tropical Pacific Ocean hasn’t warmed as much as climate change models projected. A new study shows that aerosols in the atmosphere could be responsible.

Saildrone uncrewed sailing vehicle
Posted inResearch Spotlights

Remote-Controlled Ocean Drones Observe Atmospheric Cold Pools

by Jack Lee 6 July 202116 December 2021

Novel uncrewed sailing vehicles measured properties of atmospheric cold pools in hard-to-reach regions of the central and eastern tropical Pacific Ocean.

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From AGU Journals

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Geophysical Research Letters
“Climate Change Drives Widespread and Rapid Thermokarst Development in Very Cold Permafrost in the Canadian High Arctic”
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“International Reference Ionosphere 2016: From ionospheric climate to real-time weather predictions”
By D. Bilitza et al.

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“Exploring Ocean Circulation on Icy Moons Heated from Below”
By Suyash Bire et al.

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