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Atmospheric Fluid Modeling Lab
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The lab uses numerical simulation to study atmospheric flows and waves up to an altitude of about 500 km.
AboutAbout the lab
Recreating the atmosphere up to about 500 km altitude inside a computer.
The Atmospheric Fluid Modeling Lab uses numerical simulation to study flows and atmospheric waves throughout the atmosphere up to an altitude of about 500 km.
The motion of Earth's atmosphere differs greatly with altitude. In the upper atmosphere at 300 km, global-scale circulation varies on a one-day cycle along with the movement of the Sun.
Around 50 km altitude, on the other hand, variations caused by global-scale waves with periods of several tens of days are observed.
The lab investigates why circulation differs so much with altitude and what mechanisms cause changes in circulation.
Key terms
- Numerical simulation
- A method of recreating atmospheric motion inside a supercomputer and examining how it behaves.
- Atmospheric waves
- Waves that appear in atmospheric motion. Around 50 km altitude, variations caused by global-scale waves with periods of several tens of days are observed.
- Upper atmosphere
- The atmosphere at high altitudes such as 300 km. Global-scale circulation there varies on a one-day cycle along with the movement of the Sun.
ResearchResearch themes
The lab studies how atmospheric motion differs greatly with altitude, and the mechanisms that cause changes in atmospheric circulation. The lab states that by studying changes in atmospheric circulation in the present and past, it can examine how Earth's atmospheric circulation will change in the future.
*Illustrative imageAtmospheric Motion That Differs by Altitude, and Its Causes
In the upper atmosphere at 300 km, circulation varies on a one-day cycle, while around 50 km altitude, variations caused by waves with periods of several tens of days are observed. The lab studies why this difference occurs and the mechanisms behind changes in circulation.
*Illustrative imageRecreating the Atmosphere on Supercomputers
The lab studies atmospheric motion through numerical simulation on supercomputers. Figures show the temperature and flow at 60 km (middle atmosphere) and 300 km (upper atmosphere), as recreated inside the computer.
MembersFaculty
- ProfessorYasunobu Miyoshi
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “UARS 1” NASA/GSFC / Public domain (cropped)
- Atmospheric Motion That Differs by Altitude, and Its Causes: “Gigantic jet photographed by Nichole Ayers on the International Space Station, some edits” NASA/Nichole Ayers / Public domain (cropped)
- Recreating the Atmosphere on Supercomputers: “Dutch national supercomputer "Huygens"” Dennis van Zuijlekom / CC BY-SA 2.0 (cropped)
- Related lab (Atmosphere-Ionosphere Coupling and Space Weather Science Lab): “Aurora Borealis In North Texas (4)” Rollingskyphoto / CC BY 4.0 (cropped)
- Related lab (Atmospheric Fluid Dynamics Lab): “PSM V53 D324 General circulation of atmosphere” 作者不詳 / Public domain (cropped)
- Related lab (Earth Interior Dynamics Lab): “The Day the Earth Smiled - PIA17172” NASA/JPL-Caltech/SSI / Public domain (cropped)
- Related lab (Earth Interior Materials Science Lab): “Diamond anvil cell schematic” José A. Flores-Livas, Lilia Boeri, Antonio Sanna, Gianni Profeta, Ryotaro Arita, Mikhail Eremets / CC BY 4.0 (cropped)
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