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Science Updates

Several people aboard a small motorboat in a fjord with a glacial ice cliff in the background
Posted inScience Updates

Arctic Unicorns and the Secret Sounds of a Glacial Fjord

by Evgeny A. Podolskiy 9 December 20213 February 2023

The successful deployment of a seafloor seismometer near the calving front of a Greenland glacier has opened a new avenue to study hidden glacial processes and the behavior of fjord-dwelling wildlife.

Aerial view of flooding in around Houston, Texas.
Posted inScience Updates

Forecasting Compound Floods in Complex Coastal Regions

by Saeed Moghimi, Edward Myers, Shachak Pe’eri, Y. Joseph Zhang and Fei Ye 16 November 202127 October 2022

Coastal communities face more frequent floods in which rain, rivers, and ocean storm surge combine forces. A reliable system that accurately predicts inundation from these events is urgently needed.

Painting depicting the surface of Earth during the Hadean eon, with a liquid water ocean, volcanoes, and meteors streaking through the sky
Posted inScience Updates

A Simple Recipe for Making the First Continental Crust

by Anastassia Y. Borisova and Anne Nédélec 5 November 202116 May 2022

Laboratory experiments serendipitously revealed a rock-forming process that might explain how the first continental crust formed on Earth—and possibly on Mars.

View of the Brahmaputra River with the sun low on the horizon
Posted inScience Updates

Tree Rings Reveal a 700-Year Record of Flooding in Bangladesh

by Mukund Palat Rao and Benjamin I. Cook 15 October 202115 October 2021

Trees tell of a wetter past along the Brahmaputra River and, combined with climate modeling, suggest heightened future flood risks in one of the world’s most densely populated areas.

Image showing water above and below the ocean surface
Posted inScience Updates

Navigating Miocene Ocean Temperatures for Insights into the Future

by Kira T. Lawrence, Helen K. Coxall, Sindia Sosdian and Margret Steinthorsdottir 5 October 202126 January 2023

A new temperature data portal will aid scientists in tracking and accessing paleoclimate data from the Miocene, a past warm climate interval and future climate analogue.

Four cormorants stand atop a channel marker.
Posted inScience Updates

Cormorants Are Helping Characterize Coastal Ocean Environments

by R. A. Orben, A. G. Peck-Richardson, G. Wilson, D. Ardağ and J. A. Lerczak 23 September 202129 March 2023

The Cormorant Oceanography Project is using sensors deployed on diving marine birds to collect broadly distributed oceanographic data in coastal regions around the world.

A scuba diver swims and shines a flashlight through brownish river water in a cave.
Posted inScience Updates

A New Focus on the Neglected Carbonate Critical Zone

by J. B. Martin, P. C. De Grammont, M. D. Covington and L. Toran 20 September 202128 January 2022

Studies of Earth’s critical zone have largely focused on areas underlain by silicate bedrock, leaving gaps in our understanding of widespread and vital carbonate-dominated landscapes.

Exposed Precambrian bedrock in the Boundary Waters Canoe Area Wilderness in northeast Minnesota
Posted inScience Updates

Recognizing Geology’s Colonial History for Better Policy Today

by Maddy Nyblade and Jenn McDonald 7 September 202129 March 2023

The Minnesota Geological Survey has contributed to the dispossession of homelands from Indigenous Peoples. The agency is creating more just policies.

View from near-Earth orbit of a volcanic eruption plume rising into the atmosphere
Posted inScience Updates

Anticipating Climate Impacts of Major Volcanic Eruptions

by S. A. Carn, P. A. Newman, V. Aquila, H. Gonnermann and J. Dufek 31 August 202128 February 2022

NASA’s rapid response plan for gathering atmospheric data amid major volcanic eruptions, paired with efforts to improve eruption simulations, will offer better views of these events’ global effects.

Aerial view of snowcapped Mount Hood with lower-lying mountains and fog in the background
Posted inScience Updates

Making the Most of Volcanic Eruption Responses

by T. P. Fischer, S. C. Moran, K. M. Cooper, D. C. Roman and P. C. LaFemina 31 August 202122 March 2022

Last year, a new collaborative initiative conducted a hypothetical volcano response exercise. A month later, they put the knowledge gained to use during an actual eruption.

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Features from AGU Journals

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Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

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“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

EDITORS' VOX
Reviews of Geophysics
“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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