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<br />OnlG7~ <br /> <br />32--1 <br /> <br />WATER INFORMATION MANAGEMENT SYSTEM HANDBOOK <br /> <br />controversy may arise. Collect field data to establish the <br />local relationships used, to support the decisions underlying <br />the application of the procedure, and to verify the calculated <br />maintenance flow requirements. <br /> <br />Visit the watershed and the stream channel site to be quantified <br />if possible. Prepare photo documentation of stream and channel <br />conditions and a brief description of the capacity of the stream <br />bed and/or banks to adjust their dimensions in response to <br />frequent flows. <br /> <br />32 - PROCEDURE FOR MAINTENANCE FLOW QUANTIFICATION fQR SNOWMELT <br />nQHINATED PERENNIAL STREAMFLOW <br /> <br />Use gaging station data and the appropriate application of <br />statistical techniques to develop basic relationships that can <br />be extrapolated to ungaged watersheds. Calculate the bankfull <br />discharge for the ungaged point of quantification by applying <br />these relationships. This value can then be used, along with <br />gage station records, to schedule a range and duration of <br />required maintenance flows. <br /> <br />Exhibit 1 presents the three parts of the procedure: selecting <br />an analysis method; the specific steps required in each method; <br />and the set of steps that are common to all the analysis methods <br />described. <br /> <br />.~ <br /> <br />. <br /> <br />*-FSH 4/89 AMEND 3-* <br />