In CWMS, a watershed is a set of data, information, models, and images that represent watershed lands and the channels, gages, and water control features within the watershed. The Setup module is the grouping of commands for watershed setup. These are commands for configuring inputs, models, and outputs that describe a watershed's behavior. You develop a visual representation of the watershed to display in the CAVI that is map-based. This chapter describes the Setup module, which includes an overview of the Setup module interface, how to create a new watershed, and reports on watershed setup.
In the Setup module, you configure your watershed's physical arrangement, including maps and geo-extents (Map Layers), time series icons, and other geo-referenced data. Once you have setup your watershed, you will be able to use the data you have defined within HEC-ResSim, HEC-FIA, and other geo- referenced CWMS applications.
Because the order of program execution (Program Order) is a fundamental part of the watershed setup, you should define it early in the process of constructing data sets for your watershed. You establish the program order in the Setup module. This involves determining the set of programs for CWMS to execute, the order of program execution, and the data flow for forecasting. You may also define supplemental programs and add them to the program order so they are executed from CWMS. A supplemental program is a program or script that you develop and is not included with CWMS.