Pointers to documentation on the coupler.
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Driver namelist: Documenation of options in the drv_in file. http://www.cesm.ucar.edu/models/cesm1.2/cesm/doc/modelnl/nl_drv.html
Coupler paper: Description of cpl7, some history behind its development, performance plots and illustrations: http://journals.sagepub.com/doi/abs/10.1177/1094342011428141
Coupling overview paper: good summary of coupling problems in climate models: "Physics–Dynamics Coupling in Weather, Climate, and Earth System Models: Challenges and Recent Progress" https://journals.ametsoc.org/doi/full/10.1175/MWR-D-17-0345.1
Coupler school: As part of the /wiki/spaces/CMDV/pages/94699673 in CMDV, several developers went over the entire coupler/driver source code in order and each session was recorded. Recordings are available at https://anl.box.com/s/bss08sjmndvx3zk53btv58dmgyxjcgsh
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