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<br />8 <br /> <br />PTIMEl <br /> <br />+ <br /> <br />9 <br /> <br />PTIME2 <br /> <br />+ <br /> <br />10 <br /> <br />KPF <br /> <br />+ <br /> <br />G2 Record <br /> <br />specified in Field 5 of the G3 record, only an <br />awroximate n value needs to be entered here. <br /> <br />First time point on the hydrograph at which com- <br />plete cross-sectional output is requested. It is <br />usually the peak time, but it may be left blank if <br />no output is requested. <br /> <br />Second time point on the hydrograph at which c0m- <br />plete cross-sectional output is requested. It is <br />not the end of the hydrograph because canplete <br />cross-sectional output is automatically printed at <br />the end of each simulation. This field may be <br />left blank if no output is requested. <br /> <br />Frequency of printing the sunmary output, in num- <br />ber of time steps <br /> <br />These records are required for each job, used to define the flow hydro- <br />graph(s) in the channel reach. The first G2 record is used to define the <br />spatial variation in water discharge along the reach; the succeeding ones <br />are employed to define the time variation(s) of the discharge. Up to five <br />hydrographs, with a maximum of 20 points for each, are currently dimension- <br />ed. This size may be expanded if required. <br /> <br />Field Variable Value <br /> <br />First G2 <br />o IA <br /> <br />G2 <br /> <br />1 <br /> <br />IHPl <br /> <br />+ <br /> <br />2 <br /> <br />NPl <br /> <br />+ <br /> <br />3 <br /> <br />IHP2 <br /> <br />+ <br /> <br />4 <br /> <br />NP2 <br /> <br />+ <br /> <br />5 <br /> <br />IHP3 <br /> <br />+ <br /> <br />Description <br /> <br />Record identification characters <br /> <br />Number of last cross section using the first hy- <br />drograph. The number of section is counted from <br />downstream to upstream wi th the downstream sec- <br />tion being number one. <br /> <br />Number of points connected by straight segments <br />used to approximate the first hydrograph. <br /> <br />Number of last section using the second hydrogra- <br />ph if any. Otherwise leave it blank. <br /> <br />Number of points used to approximate the second <br />hydrograph <br /> <br />Number of last section using the third hydrograph <br />27 <br />