[Virtual} AOS Program Workshop on Cloud Feedbacks and Climate Sensitivity Informal Seminar

Wed, Aug 19, 2020, 2:00 pm to 3:00 pm

The Tropical SST contrast is an important subject in climate sensitivity and climate impacts research. A brief history of such studies will be given, followed by an investigation employing the GFDL AM2 GCM in Tropic World configuration, Slab Ocean, No Rotation, Uniform Insolation. In this configuration SST contrasts naturally develop in response to aggregation of convection and the development of a large-scale circulation connecting the warm & convecting, and cooler & subsiding regions. As the SST is raised from current to warmer tropical values, the SST contrast at first increases and then decreases. The solutions also oscillate about their equilibrium SST difference, and these oscillations can be used as a probe to investigate the mechanisms of the oscillation. A draft paper is available here: Hartmann, D.L., B.D. Dygert, Q. Fu and P.N. Blossey, 2020: The Warming Physics of the Tropic World: Part 1 Mean State JAMES, submitted link here. A draft Part 2 on the cycles may be submitted and available by the time of the workshop.

Location: 
Virtual
Speaker(s): 

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[Virtual} AOS Program Workshop on Cloud Feedbacks and Climate Sensitivity Informal Seminar

[Virtual} AOS Program Workshop on Cloud Feedbacks and Climate Sensitivity Informal Seminar

[Virtual} AOS Program Workshop on Cloud Feedbacks and Climate Sensitivity Informal Seminar

[Virtual} AOS Program Workshop on Cloud Feedbacks and Climate Sensitivity Informal Seminar