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In addition to the computation of damages for single events, the DAMCAL program creates a computer file which contains the grid cell location, the depth of flooding, the dollar damages, and the land use for each single event run. The information can be used to plot depth of flooding versus resulting damages or to partition damages by land use as an aid in determin- ing the effect different flood plain management schemes would have on re- ducing the damage potential. The plotting of single event damages or flooded area displays can be accomplished using the RIA computer program (U.S. Army Corps of Engineers, 1977). Future Program Additions. Planned additions include 1) an automated damage function file transfer to the Expected Annual Flood Damage Computa- tion (EAD) program (U.S. Army Corps of Engineers, 1977) and 2) integration with the Structure Inventory of Damages (SID) computer program data file (Davis and Webb, 1978). The former added capability will permit use of the comprehensive EAD program for detailed benefit studies and the latter added capability will permit the evaluation of unique damageable properties exter- nal to the grid cell data bank and the DAMCAL program without a double acoounting of the damage potential. The need for additional features ahould be addressed to the Hydrologic Engineering Center. Input Preparation General Description. The following material describes the data (for the DAMCAL computer program) which are entered on each input card and the type of cards needed for the desired analysis to be performed. The program is flexible to a degree in the data that can be input for analysis and in the detail of the output desired. Some of the input cards are option- al and need not be provided unless required by the particular option which is specified. Program Data Hierarchy. The general hierarchy of the major data types in this program is displayed in Table 4-6. 4-29 I l