Figure 8 - uploaded by Daria Pidhorodetska
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Gas mixing ratio profiles for an Archean Earth-like composition of Charnay et al. (2013) case B for a) TRAPPIST-1e, b) 1f and c) 1g, as well as profile ratios between d) TRAPPIST-1f and 1e and between e) TRAPPIST-1f and 1g.
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The TRAPPIST-1 system, consisting of an ultra-cool host star having seven known Earth-size planets will be a prime target for atmospheric characterization with JWST. However, the detectability of atmospheric molecular species may be severely impacted by the presence of clouds and/or hazes. In this work, we perform 3-D General Circulation Model (GCM...
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Context 1
... photochemical hazes. For this study, we have performed the photochemistry and transmission spectra simulations only for Charnay case B. This case offers larger concentrations of CO 2 and CH 4 than Charnay case A and can produce photochemical hazes contrary to Charnay case C. The Charnay case B Archean Earth-like atmospheric profiles is shown in Fig. 8. In the Archean Earthlike GCM simulations, since fixed mixing ratios of CO 2 , CH 4 and N 2 are used, they are also constants for the photochemistry simulations with Atmos, along with other gases such as O 2 , H 2 , H 2 S, SO 2 and C 2 H 6 S. These fixed boundary conditions lead to no major differences in the lower atmosphere between ...
Context 2
... photochemical hazes. For this study, we have performed the photochemistry and transmission spectra simulations only for Charnay case B. This case offers larger concentrations of CO 2 and CH 4 than Charnay case A and can produce photochemical hazes contrary to Charnay case C. The Charnay case B Archean Earth-like atmospheric profiles is shown in Fig. 8. In the Archean Earthlike GCM simulations, since fixed mixing ratios of CO 2 , CH 4 and N 2 are used, they are also constants for the photochemistry simulations with Atmos, along with other gases such as O 2 , H 2 , H 2 S, SO 2 and C 2 H 6 S. These fixed boundary conditions lead to no major differences in the lower atmosphere between ...
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