THE NCAR CSM FLUX COUPLER by Frank O. Bryan, Brian G. Kauffman, William G. Large, and Peter R. Gent National Center for Atmospheric Research 1 P.O. Box 3000 Boulder, CO 80307 U.S.A. May 1996 _________________________________________ 1 The National Center for Atmospheric Research is sponsored by the National Science Foundation. Table of Contents Pages A. Introduction . . . . . . . . . . . . . . . . . . . . . . A1-A2 B. The Control Function . . . . . . . . . . . . . . . . . . . B1-B2 C. List of the Information Exchanged . . . . . . . . . . . . C1-C6 D. Temporal Coordination of the Fluxes . . . . . . . . . . . D1-D2 E. Spatial Coordination of the Fluxes . . . . . . . . . . . . . E1-E4 F. Flux Formulae . . . . . . . . . . . . . . . . . . . . . . F1-F6 G. Exceptions and Special Cases . . . . . . . . . . . . . . G1-G2 H. Pseudo-Code for the Flux Coupler . . . . . . . . . . . . H1-H3 I. User's Guide to the Flux Coupler . . . . . . . . . . . . . I1-I11 J. Input Parameters for the Flux Coupler . . . . . . . . . . . J1-J8 K. Values of Physical Constants . . . . . . . . . . . . . . . K1-K2