CTC Seminar for 2023-05-03

Series: CTC Seminar
Date: Wednesday 03-May-2023
Time: 11:30-12:30 pm
Location: PSC 1136
Speaker: Sonny Harman (NASA Ames)
Title: A Slice of PIE: The Photochemical Intercomparison for Exoplanets

There is a rich scientific legacy in comparing simulations of planetary atmospheres against prior efforts and observations. For modern Earth, for example, the Atmospheric Chemistry and Model Intercomparison Project (ACCMIP) has been working for over a decade to evaluate interactions between chemistry and climate. Exoplanets, however, lack the same breadth and quality of data, forcing the community to examine other options in order to make stronger inferences and avoid a long list of potential pitfalls. I will describe some examples of how 1-on-1 and smaller party intercomparisons have made advances and then walk through our evolving ideas on the more ambitious work of developing a framework for not just one-off comparisons but for robust, long-term community engagement in addressing knowledge, input data, and validation gaps. Many of these ideas are based on efforts such as THAI (the TRAPPIST Habitable Atmospheres Intercomparison led by Thomas Fauchez) and Benjamin Drummond’s Hot Jupiters Intercomparison work, but we are working to refine them for the widely disparate compositional and temperature regimes we see in our own solar system and expect to find in extrasolar planetary systems.

Guidelines and format for the CTC Lunch seminars.
Past CTC Lunch seminars.
For other questions, contact the CTC Lunch host: Shmuel Bialy


Special accommodations for individuals with disabilities can be made by calling (301) 405-3001. It would be appreciated if we are notified at least one week in advance.


Directions and information about parking can be found here.

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