#atmosphericcomposition
Throwback to aerosols at global scale in April 2026 thanks to our operational numerical atmospheric composition model at @meteofrance.com .
Thanks Olivier COOPMANN for this summary!

@cnrs-insu.bsky.social #CNRM

www.linkedin.com/posts/olivie...
#cnrm #cnrs #occitanie #aerosols #atmosphericcomposition #saharandust #mocage | Olivier COOPMANN
MOCAGE Forecasts: April 2026 Atmospheric Composition Highlights Here’s a snapshot of total column forecasts for dust, sea salt, black carbon and sulfate from our MOCAGE global atmospheric composition ...
www.linkedin.com
June 3, 2026 at 11:30 AM
pieddepoule_selale
“Crash #23 - Crestline”, 2021
Miles Hyman (American, b.1962)

@pieddepoule_selale @mileshyman #crash #crestline #vermont #atmosphericcomposition
May 10, 2026 at 4:26 AM
Today 30 April 2026 Dien Wu from Colorado State University presents @ncar-acom.bsky.social seminar "Towards more Interpretable Top-down Constraints of Local-scale #Fluxes"
Time: 11am Mountain
Location: #UCAR FL2-1022 (big auditorium)
#CO2 #NOx #PM2.5 #AtmosphericComposition #WRF-LES #UrbanFire #WRF
April 30, 2026 at 2:32 PM
In case you missed it, here is a throwback on global aerosols in January 2026 as seen by #MOCAGE operational chemistry transport model at @meteofrance.com
👇
Olivier Coopmann's post on Linkedin
www.linkedin.com/posts/olivie...
#cnrm #iasi #iasi #aerosols #atmosphericcomposition #dataassimilation #desertdust | Olivier COOPMANN
January 2026 under the microscope: a visual dive into global aerosol composition! Here is the monthly animation of total columns for dust, black carbon, sea salt, and sulfate, produced from forecasts ...
www.linkedin.com
February 16, 2026 at 12:42 PM
📄 Validation of Elemental and Isotopic Abundances in Late-M Spectral Ty…

Quicklook:
Xuan, Jerry W. et al. (2024) · The Astrophysical Journal
Reads: 116 · Citations: 36
DOI: 10.3847/1538-4357/ad1243

#Astronomy #Astrophysics #Exoplanets #AtmosphericComposition #StellarAtmospheres
Validation of Elemental and Isotopic Abundances in Late-M Spectral Types with the Benchmark HIP 55507 AB System
M dwarfs are common host stars to exoplanets but often lack atmospheric abundance measurements. Late-M dwarfs are also good analogs to the youngest substellar companions, which share similar T <SUB>eff</SUB> ∼ 2300–2800 K. We present atmospheric analyses for the M7.5 companion HI
ui.adsabs.harvard.edu
January 16, 2026 at 7:50 AM
...iding crucial data for understanding atmospheric processes and their impact on satellite operations. #UpperAtmosphere #AtmosphericComposition #SpaceEnvironment
August 25, 2025 at 3:00 AM
Some exoplanets have atmospheres containing molecules like water vapor, methane, or carbon dioxide. Analyzing these atmospheric compositions can provide clues about a planet's climate, geological activity, and potential habitability. #ExoplanetAtmospheres #AtmosphericComposition #Habitability
August 24, 2025 at 12:00 AM
...isotopic ratios, can serve as powerful tracers of past conditions and processes. This is particularly relevant in the study of exoplanets, where direct observation of the formation process is currently impossible. #AtmosphericComposition #ExoplanetAtmospheres #PlanetaryFormationHistory

August 15, 2025 at 1:00 PM
The process of atmospheric escape, where lighter gases escape a planet's atmosphere into space, plays a crucial role in shaping the atmospheric composition of planets over time. #AtmosphericEscape #AtmosphericComposition #PlanetaryEvolution
August 13, 2025 at 12:00 AM
...y disk and can indicate the degree of outgassing from the planet's interior, the effects of atmospheric escape processes, and even the possibility of past or present biological activity. #AtmosphericComposition #ExoplanetAtmospheres #PlanetaryFormationHistory

August 9, 2025 at 11:00 PM
The study of planetary atmospheres helps scientists understand the potential for habitability on other planets. The presence of certain gases, such as oxygen or methane, could indicate the presence of life, although it is not a definitive indicator. #AtmosphericComposition #Habitability #Biosigna...
August 8, 2025 at 6:00 AM
Some planets and moons have undergone periods of intense volcanism, shaping their surfaces and potentially influencing their atmospheric composition. Evidence of past volcanism can be seen in lava flows, calderas, and other volcanic features. #Volcanism #PlanetarySurfaces #AtmosphericComposition
August 3, 2025 at 6:00 PM
...aling information about the temperature, pressure, and chemical conditions in the disk at the time of planet formation. This atmospheric analysis is especially crucial for exoplanet research, where direct observation of the planet's formation process is not possible. #AtmosphericComposition #...
July 20, 2025 at 3:00 PM
Scientists use various techniques to analyze the spectral signatures of planetary atmospheres, revealing the presence and abundance of different gases, providing valuable insights into atmospheric composition and processes. #Spectroscopy #AtmosphericComposition #PlanetaryAtmospheres
July 20, 2025 at 8:00 AM
The atmospheric composition of Titan, Saturn's largest moon, is dominated by nitrogen, similar to Earth's atmosphere, but with a significant presence of methane and other hydrocarbons. #Titan #AtmosphericComposition #SaturnMoon

July 16, 2025 at 4:00 AM
The colors of planets are often determined by the composition of their atmospheres and surfaces. For example, the blue color of Neptune is due to methane in its atmosphere, which absorbs red light and reflects blue light. #PlanetaryColors #AtmosphericComposition #Neptune
June 8, 2025 at 2:00 AM
The composition of a planet's atmosphere can significantly influence its temperature and climate. For example, a thick atmosphere rich in greenhouse gases can lead to a runaway greenhouse effect, like on Venus, resulting in extremely high surface temperatures. #AtmosphericComposition #Greenhouse...
May 24, 2025 at 5:00 PM
...te the degree of outgassing from the planet's interior, the effects of atmospheric escape processes, and even the possibility of past or present biological activity. #AtmosphericComposition #PlanetaryAtmospheres #Biosignatures

May 23, 2025 at 12:00 AM
...tmosphericEscape #Gravity #Temperature #AtmosphericComposition #PlanetaryScience

March 3, 2025 at 12:00 AM
...ed the planet. #AtmosphericComposition #Isotopes #PlanetaryFormation #PlanetaryScience

February 28, 2025 at 8:00 AM
... exoplanet atmospheric chemistry. #Exoplanet #ExoplanetAtmosphere #Spectroscopy #AtmosphericComposition #ExoplanetChemistry #Astrophysics #Astronomy #PlanetaryScience

February 23, 2025 at 3:00 AM
...a star's spectral type affects a planet's long-term habitability is essential for refining our search for life beyond Earth. #Astrobiology #StellarSpectralType #StellarRadiation #Exoplanets #Habitability #AtmosphericComposition #PlanetaryTemperature #LongTermHabitability #StarPlanetInteraction...
February 11, 2025 at 8:05 PM
...s #AtmosphericComposition #PlanetaryScience

February 11, 2025 at 10:00 AM
...rent atmospheric compositions, influencing their potential for habitability and long-term evolution. #SpaceFacts #PlanetFormation #VolatileElements #ProtoplanetaryDisk #PlanetaryAtmospheres #AtmosphericComposition #Habitability #PlanetaryEvolution

February 9, 2025 at 1:00 PM
The chemical composition of a planet's atmosphere can be used to infer the presence of past or present geological activity, such as volcanism, which releases gases into the atmosphere, or the presence of liquid water, which can influence the abundance of certain gases. #AtmosphericComposition #Ge...
February 6, 2025 at 6:00 AM