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Earth and Space Science

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A selfie of NASA’s Curiosity rover, in the northwestern part of Gale crater
Posted inResearch Spotlights

Scientists Turn Back Time to Track Methane Emissions on Mars

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 14 January 202224 April 2024

Period spikes of methane on Mars could originate inside Gale crater, where NASA’s Curiosity rover is currently exploring.s

An image of lake-floor sedimentary deposits from Mars’s Gale crater
Posted inResearch Spotlights

Machine Learning Algorithms Help Scientists Explore Mars

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 12 January 202224 April 2024

Researchers applied machine learning algorithms to several distinct chemical compositions of Mars and suggest that these algorithms could be a powerful tool to map the planet’s surface on a large scale.

Table showing percentage of total variance explained by each of the first five principal components by Northern Hemisphere circumpolar vortex (NHCPV) area, NHCPV circularity ratio (Rc), and five atmospheric teleconnection indices.
Posted inEditors' Highlights

Polar Vortex Linked to Atmospheric Circulation at Daily Scale

by Jonathan H. Jiang 13 October 202129 March 2022

A simplified representation of polar vortex at monthly scale was revised using a new method, and its daily association with air-sea teleconnections was analyzed to study weather impacts.

Map of the Babai river basin in Nepal showing location of water level and streamflow measuring stations.
Posted inEditors' Highlights

Satellite Estimates for Hydroclimatic Extremes

by Jonathan H. Jiang 20 September 202128 September 2021

A new study corrects poor-performing satellite-based rainfall estimates with gauge data and also fills gauge data gaps using well-performing satellite-based rainfall estimates.

Sketch showing induced seismicity on critically stressed faults as a consequence of changes in pore pressure and related changes in stress due to anthropogenic activities
Posted inEditors' Vox

Understanding and Anticipating Induced Seismicity

by B. Müller, M.-L. Doan, T. H. Goebel, Yajing Liu, Patricia Martínez-Garzón, T. Mitchell and I. Zaliapin 30 July 20218 February 2023

A new special collection in JGR: Solid Earth and Earth and Space Science seeks papers from across disciplines that provide insights into induced seismicity at different spatial and temporal scales.

Graphic showing the path of GOLD over the Americas measuring the emission from atomic oxygen in an excited state at nighttime.
Posted inEditors' Highlights

GOLD Sees Quasi-Stationary Waves in the Nighttime Ionosphere

by Astrid Maute 12 March 202111 March 2021

The wave-like features in the pre-midnight ionosphere are not moving, vary strongly from day-to-day, and are often associated with the equatorial plasma bubbles, but their origin is still unknown.

Map of northern Eurasia showing long-term trend of wintertime Turbulence Index 1
Posted inEditors' Highlights

Global Warming Intensifies Turbulence Over Northern Eurasia

by Jonathan H. Jiang 24 February 202128 February 2023

A significant increasing trend of turbulence in upper atmosphere over northern Eurasia is attributed to intense anthropogenic activities.

Plots showing a visual comparison of spatial pattern of snowfall rate obtained from four different sources
Posted inEditors' Highlights

Using Machine Learning to Detect and Estimate Global Snowfall

by Jonathan H. Jiang 2 December 202030 November 2020

Machine learning is used to retrieve global snowfall occurrence and rate from satellite-based passive microwave sounder observations, trained by snowfall data from a high-quality space borne radar.

Close-up satellite view of carbon dioxide ice in Mars’s south polar cap
Posted inResearch Spotlights

A Precise Mosaic View of Mars’s South Pole

Sarah Stanley, Science Writer by Sarah Stanley 2 November 2020

A new workflow improves the process of creating massive, accurate mosaics from spacecraft-captured images of a planet’s surface.

Plot showing distribution of iron species at three locations
Posted inEditors' Highlights

Zero-valent Iron in the Oxidizing Atmosphere?

by Jonathan H. Jiang 26 October 20205 May 2022

A comparative study of urban, semi-urban, and rural sites reveals that the species of atmospheric iron varies depending on location.

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Publishing Participatory Science: The Community Science Exchange

20 October 202517 October 2025
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