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paleoclimatology & paleoceanography

View over open ocean water with clouds tinted pink by a sunrise and a distant, lone mountain on the horizon
Posted inScience Updates

“Landslide Graveyard” Holds Clues to Long-Term Tsunami Trends

by Suzanne Bull, Sally J. Watson, Jess Hillman, Hannah E. Power and Lorna J. Strachan 3 June 20223 June 2022

A new project looks to unearth information about and learn from ancient underwater landslides buried deep beneath the seafloor to support New Zealand’s resilience to natural hazards.

Artist’s impression of China’s Tianwen-1 spacecraft en route to Mars.
Posted inEditors' Highlights

First Solar Wind Plasma Observations from the Tianwen-1 Mission

by Limei Yan 6 May 20224 May 2022

Solar wind plasma data captured by the Tianwen-1 probe while in transit to Mars represent an important step toward a new era of cooperative Martian space exploration.

A view of a swamp on Rishiri Island, with trees and water in the foreground and a snowy mountain in the background
Posted inResearch Spotlights

Climate and Currents Shaped Japan’s Hunter-Gatherer Cultures

by Rebecca Dzombak 5 May 2022

New climate records from a peat bog show how two neighboring cultures responded differently to shifts in climate and ocean currents.

A diver in scuba gear holds a coring device to collect a sample from a coral head on the seafloor in clear, light blue water.
Posted inScience Updates

Clues from the Sea Paint a Picture of Earth’s Water Cycle

by Kristine DeLong, Alyssa Atwood, Andrea Moore and Sara Sanchez 4 May 20224 May 2022

New instrumentation and growing modeling needs in the Earth sciences are driving a renewed effort to compile and curate seawater oxygen isotope data in a centralized, accessible database.

Electron microscopy image of the charcoal found at the Than Formation in Saurashtra Basin, Gujarat, India.
Posted inNews

Cretaceous Charcoal Gives a Glimpse of Plant Evolution

by Meghie Rodrigues 18 April 202218 April 2022

New data from vegetal charcoal in northwest India supports the theory of paleowildfires as a global phenomenon and an evolutionary force for biodiversity.

A dog sits next to a backpack on a dirt road in a desert landscape.
Posted inFeatures

Incredible Journeys on the Crown of the Continent

by Mary Caperton Morton 15 April 202215 April 2022

Living in Geologic Time: The making, breaking, and backpacking of North America’s Continental Divide.

Rain clouds hang over a valley in Uttarakhand, India.
Posted inNews

Higher Sea Surface Temperatures Could Lead to a Weaker Monsoon

by T. V. Padma 6 April 20226 April 2022

Most climate models predict that the South Asian monsoon will strengthen with climate change, but new research indicates warmer ocean temperatures may lead to a drier phenomenon.

A river of molten lava flows across a steaming black basalt landscape. The river flows from a volcanic rift near the top right of the image toward the bottom left. The fissure is filled with brighter and hotter lava and steam and gas billows up from it. The sky on the horizon is a hazy blue-gray.
Posted inNews

The Surprising Greenhouse Gas That Caused Volcanic Summer

by Kimberly M. S. Cartier 21 March 202212 April 2022

Extended periods of volcanism known as flood basalt eruptions lead to volcanic winters, which are often followed by an extended period of warming. But it was more than just carbon dioxide that warmed the globe.

Posted inEditors' Highlights

What Caused the Open Habitat Transition in the West-Central U.S.?

by Susan Trumbore 10 March 202212 April 2022

Between 26-15 My ago, forests covering west-central North America gave way to open, grassy habitats. Now, oxygen isotope records suggest this shift is owed to drier winters and increased aridity.

Una explosión de luz solar sobre una Tierra nublada.
Posted inNews

Pequeños cambios climáticos podrían verse magnificados por procesos naturales

by Damond Benningfield 1 March 202216 March 2022

Un nuevo estudio utiliza técnicas de modelado para descubrir cómo pequeños incidentes de calentamiento pueden convertirse en eventos hipertermales que duran miles de años.

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From AGU Journals

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Geophysical Research Letters
“Satellite and Ocean Data Reveal Marked Increase in Earth’s Heating Rate”
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By Prajal Pradhan et al.

HOT ARTICLE
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“Premature Deaths in Africa Due to Particulate Matter Under High and Low Warming Scenarios”
By D. Shindell et al.


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