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Earth Expeditions: In Dust and Clouds Over Africa, Scientists Find Clues to How Hurricanes Form

05.24.2023
When the dust that wafts off the Sahel and Sahara regions of Africa mixes with tropical clouds, it creates what’s known as a rainy “disturbance” in the eastern Atlantic. These disturbances are hurricanes in their youngest form, and as they travel across the ocean, they can either dissipate or grow into powerful storms.

To study these infant storms, a group of NASA scientists in September 2022 spent a month flying off the northwestern coast of Africa aboard NASA’s DC-8 research plane. Each day, the team took off from Cabo Verde, an island nation off the west coast of Africa, logging roughly 100 hours altogether. The mission, known as the Convective Processes Experiment – Cabo Verde (CPEX-CV) released its data publicly on April 1.

NASA HAQAST Annual Summary of Artificial Light At Night from VIIRS/S-NPP at CONUS County and Census Tract Version 1 Product Released to Public

04.18.2023
The Goddard Earth Sciences Data and Information Services Center (GES DISC) released the NASA Health and Air Quality Applied Sciences Team (HAQAST) Annual Summary of Artificial Light At Night (ALAN) at CONUS County and Census Tract, Version 1 Product, from the Visible Infrared Imaging Radiometer Suite (VIIRS) onboard the Suomi National Polar-orbiting Partnership (S-NPP) satellite.

HAQAST Mission Pages Published

04.18.2023
Mission Pages for each of the current projects under the HAQAST program were published by the GES DISC. Links to the individual project Mission Pages are on the main HAQAST mission page
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Overview

The Atmospheric Chemistry and Dynamics Laboratory advances understanding of changes in the Earth’s radiation balance, air quality, and the ozone layer that result from changes in atmospheric composition. Using a combination of satellite data, atmospheric models, and in situ observations, the Laboratory strives to understand:
• the factors that control stratospheric ozone and trace gases that influence ozone,
• the natural processes and human activity that impact the composition of Earth's troposphere, and
• the impact of climate change on future concentrations of stratospheric ozone and tropospheric gases.

For further information, data, research, and other resources, see Atmospheric Chemistry and Dynamics Projects.


Contact Us

James Gleason
301.614.5736
james.f.gleason@nasa.gov

General inquiries about the scientific programs at NASA's Goddard Space Flight Center may be directed to the Center Office of Communications at 1.301.286.8955.

                                                                                                                                                                                        
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  • Last Updated: 05/31/2023