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CC BY-NC-ND 2020

Chart showing concurrent detection of streamer corona discharges from space and the ground
Posted inEditors' Highlights

Streamer Corona Discharges in Thunderstorms Detected from Space

by Minghua Zhang 2 September 202027 January 2022

Concurrent detection from space and the ground of blue optical flashes from streamer corona discharges at altitudes between 8.5 and 14 kilometers and radio waves.

Underwater photograph of a tank experiment designed to observe how diesel oil behaves when leaking from a pipe
Posted inEditors' Vox

The Underwater Behavior of Oil and Gas Jets and Plumes

by M. C. Boufadel and S. A. Socolofsky 1 September 202031 July 2023

Exploring how the multiscale interaction between underwater oil and gas plumes and the environment impacts plume composition and trajectory.

Aerial image of the Great Blue Hole in the Caribbean Sea off the coast of Belize
Posted inNews

Severe Cyclones May Have Played a Role in the Maya Collapse

Lakshmi Supriya, Science Writer by L. Supriya 1 September 202024 August 2023

Sediment cores from the Great Blue Hole reveal that a series of extreme storms hit the region after 900. The storms may have irreparably damaged an already stressed Maya population.

Detector and lightning locations for two observed events in Kanazawa, Japan
Posted inEditors' Highlights

Lightning Discharge Type Linked to Terrestrial Gamma‐Ray Flashes

by Minghua Zhang 1 September 202013 February 2023

For the first time, the connection between energetic in cloud pulse and terrestrial gamma‐ray flashes is confirmed in the Gamma-Ray Observation of Winter Thunderclouds experiment in Japan.

Burned shrubs, bare trees.
Posted inNews

Wildfires Trigger Long-Term Permafrost Thawing

Katherine Kornei, Science Writer by Katherine Kornei 31 August 202019 October 2022

Researchers used satellite data to trace ground subsidence in a permafrost-rich region in eastern Siberia following a wildfire.

A close up image of a snowflake
Posted inNews

New Tool Quantifies and Predicts Snow Droughts

by David Shultz 31 August 202019 October 2021

A new metric for calculating snow water equivalence relies on three methodologies: modeling, satellite imagery, and direct observation.

Plot showing the monthly averaged column abundances of Nickel as a function of season and month, simulated by the WACCM-Ni model
Posted inEditors' Highlights

First Model of Meteoric Nickel in the Upper Atmosphere

by Michael P. Hickey 31 August 202016 March 2023

A layer of nickel of cosmic origin, which exists between 80 and 110 km high in Earth’s atmosphere, has been modeled for the first time, including dynamics and complex neutral and ion chemistry.

A rainbow arcs over two unrecognizable persons in the cloudy Cinque Torri region of the Dolomites, Italy.
Posted inFeatures

The Challenges of Fieldwork for LGBTQ+ Geoscientists

by A. N. Olcott and M. R. Downen 28 August 202022 November 2021

A new survey reveals the unique issues that traveling for research poses for LGBTQ+ scientists. The data should help us create solutions that foster safety and inclusion.

Map of the mid Atlantic showing comparison between models and observations of where Saharan dust deposition occurs
Posted inEditors' Highlights

Saharan Dust Reaching the Americas Comes from El Djouf

by Alessandra Giannini 28 August 20202 February 2022

The Saharan dust that crosses the Atlantic and fertilizes the Amazon may be coming from the El Djouf region between Mauritania and Mali, which is farther west than previously thought.

Two scientists on the flat green tundra—one holds a drone aloft, and one writes in a notebook
Posted inNews

Drones Help Bridge the Gaps in Assessing Global Change

Lesley Evans Ogden, Science Writer by Lesley Evans Ogden 27 August 202011 August 2022

New instruments in the research tool kit bolster scientific understanding of the ecology of a greening Arctic.

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