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Non-LTE Modeling of the Stratosphere of Jupiter. Zhang, X. , West, R. A., Shia, R. L., Yelle , R. V., Nixon, C. A., Orton, G. S., and Yung Y. L . AGU 2011. Why NON-LTE. López- Puertas & Taylor (2001). Model Atmosphere. C 2 H 6. C 2 H 2. CIRS data (Nixon et al., 2007). - PowerPoint PPT Presentation
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Non-LTE Modeling of the Stratosphere of Jupiter
Zhang, X., West, R. A., Shia, R. L., Yelle, R. V., Nixon, C. A., Orton, G. S., and
Yung Y. L.
AGU 2011
Why NON-LTE
López-Puertas & Taylor (2001)
C2H2C2H6
CIRS data (Nixon et al., 2007)
Model Atmosphere
Model Atmosphere
CH4 T
Nixon et al. (2007) Yelle (2001)
2D cooling spatial
Spectral Cooling Rate (in LOG10) H2-H2&H2-He C2H2-C2H6 CH4 Units: (erg/g/s/cm-1) 10μm ~5μm
Source Functions
CH4 C2H6
C2H2
H2-H2&H2-He
C2H2-C2H6
CH4 Total
Non-LTE Cooling Rate
Non-LTE C2H2-C2H6 SpectraLTE High Collision Low Collision
Non-LTE CH4 SpectraLTE High Collision Low Collision
Heating Rate
LTE Cooling
NLTE
Heating
Aerosol 3.3
1.1
7.7
1.3 1.7
2.3
Low Collision Case: T sensitivity
Low Collision Case: T sensitivityCIRS Test Seiff (1998)
Low Collision Case: T sensitivityCIRS Test Seiff (1998)
Other Heating Mechanisms?
Aerosol Heating at 3.4 micron NIR band?
Bellucci et al. (2009)
Gravity Wave Dissipation?
Young et al. (2005)
Ave Heat/cool compare
• Slope• Thermosphere compare
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