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001283 RULPOW SALTSUM SCRIBl SCRIB2 SEDADJ SHORTMS SIX02A SNAPER ST , subroutine RULPOW adds space in the Upper Basin to the rule curve for Lake Powell. Subroutine SALTSUM computes the amount of salt that can be removed from the river each month by a WQIP. The subroutine checks to see if there is enough salt mass in the river to remove the full WQIP amount. If there is not enough salt mass in the river the subroutine accumulates the removal deficit and removes it when there is sufficient salt mass in the river. Subroutine SCRIBl prints the reach description for each reach. Each description contains infor- mation on demands, inflows, reservoirs, powerplants, tailwater, evaporation, and reach configuration. Subroutine SCRIB2 prints the monthly summary tables for each reservoir, for the months re- quested. Information includes reach number, in- flow, evaporation, bank storage, turbine dis- charge, releases, contents, power produced, water quality of the inflow and release, and elevation. subroutine SEDADJ computes sediment inflow volume and new Thalweg elevations. It revises capacity coefficients, rule curves for sediment, various reservoir storage parameters for sediment, and recomputes variables used in subroutine RULES. subroutine SHORTMS prints the shortage messages generated during the run. subroutine SIX02A evaluates a third-degree poly- nomial equation to determine the amount of upper basin storage required to meet the Colorado River Compact and Mexican delivery requirements without shorting upper basin water users. - Subroutine SNAPER activates and deactivates snap- shots. Subroutine ST sets the creditable flood space in a reservoir equal to the smaller of the maximum creditable flood space and the currently unused active capacity. The creditable flood space is the empty space in certain reservoirs that can be used to meet the flood space requirements in Lake Mead. 9