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dust

A line of giant stone moai from Rapa Nui (Easter Island).
Posted inNews

Settlement of Rapa Nui May Have Been Doomed by a Dearth of Dust

Rachel Fritts, Science Writer by Rachel Fritts 16 December 202127 March 2023

Rapa Nui and Hawai‘i offer a tale of two island settlements: Hawai‘i was close enough to Asia for continental dust to help replenish soil nutrients depleted by agriculture. Rapa Nui wasn’t.

Plot showing measured atmospheric dust concentrations on 24 buoy filters, aerosol optical depth, and precipitation for two buoys.
Posted inEditors' Highlights

Seasonality in Saharan Dust Across the Atlantic Ocean

by P. Yang 26 August 20212 February 2022

The first time series of bi-weekly dust concentrations measured in-situ across the remote Atlantic Ocean.

Nighttime satellite image showing lights in the San Francisco Bay area in June 2020
Posted inOpinions

Integrating Data to Find Links Between Environment and Health

by Zhong Liu, D. Tong, J. Wei and David Meyer 26 May 20212 March 2023

Several obstacles stand in the way of integrating social, health, and Earth science data for vital geohealth studies, but there are tools and opportunities to overcome these obstacles.

Image of dark linear features on the surface of Mars known as recurring slope lineae
Posted inEditors' Highlights

After the Dust Cleared: New Clue on Mars’ Recurring Slope Lineae

by A. Deanne Rogers 8 April 20212 February 2022

An imaging campaign after the 2018 planet-encircling dust storm on Mars revealed a significant increase in detections of enigmatic recurring slope lineae and new insights into how they might form.

Satellite image of dust carried from China into the north Pacific
Posted inNews

Dust on the Wind

by Nancy Averett 17 February 202126 January 2023

A new study confirms that an important wind system is shifting due to climate change.

Plot showing X-Ray Diffraction patterns for products from Mars chamber electrostatic discharge experiments using hydrated magnesium sulfate salt starting materials.
Posted inEditors' Highlights

Martian Dust Activities Induce Electrochemistry

by M. Schmidt 7 January 202115 March 2023

Amorphous materials generated from sulfur and chloride salts by electrostatic discharge in a Mars chamber suggest widespread electrical processes during dust activities.

Dust cloud over the Ä’äy Chù/Slims River formed by a retreating glacier in Yukon, Canada
Posted inNews

Dust from Receding Glaciers May Have Major Atmospheric Impacts

by E. Harwitz 16 December 202028 February 2023

New research is helping scientists understand how Arctic dust created by receding glaciers affects local air quality and global climate.

Wall of dust wells up behind suburban desert homes
Posted inNews

Saving Lives by Predicting Dust Storms

by Jackie Rocheleau 14 December 20202 March 2023

In the southwestern United States, dust storms form suddenly, quickly reducing visibility to zero. A new warning system may allow motorists to avoid these deadly hazards.

A white, rounded hut that serves as a direct Sun polarimeter
Posted inNews

Have We Got Dust All Wrong?

by S. Dimitropoulos 25 September 202026 October 2021

Scientists are challenging conventional notions of how dust particles are aligned; “everything we’ve so far hypothesized about the impact of dust on the atmosphere might be misplaced.”

Satellite imagery showing a dust cloud spanning the tropical North Atlantic on 20 June 2020
Posted inResearch Spotlights

Trans-Atlantic Dusts May Not Enrich Amazon as Much as Thought

by David Shultz 16 September 20202 November 2021

New research indicates that nutrient loads delivered to South American ecosystems by dust originating in Africa are far lower than suggested in previous studies.

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“Neural Networks Map the Ebb and Flow of Tiny Ponds”
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“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
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EDITORS' VOX
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“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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