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Last modified
11/23/2009 10:50:51 AM
Creation date
10/4/2006 9:15:44 PM
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Floodplain Documents
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Statewide
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State of Colorado
Title
Users Manual for Program PEAKFQ, Annual Flood Frequency Analysis Using Bulletin 17B Guidelines
Date
1/30/1998
Prepared By
USGS
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />PEAKFQ <br /> <br />example: wdnt input <br />, <br /> <br />PEAKFQ <br /> <br />Modify (screen with selection of Historic option nO,t shown) <br />Modify I Historic <br /> <br />The Historic option is selected to modify the length of the historic return period and (or) Bul- <br />letin l7-B computed high-outlier discharge th~eshold. The first three columns in the table are <br />informational and cannot be modified. <br />, <br />In the example, values for the second and 5th data sets were modified to correspond to the <br />examples in the Bulletin 17-B report. . <br /> <br />Historic (MH) <br />Station <br />I.D. <br /> <br />PEAKFQ 2. <br /> <br />Largest <br />systematic <br />peak <br /> <br />Lowest <br />historic <br />peak <br /> <br />Hlstbric <br />return <br />perlod <br /> <br />Discharge <br />threshold <br /> <br />----------------------------------------------------------- <br /> <br />01373500 <br />06600500 <br />01614000 <br />11274500 <br />03339500 <br /> <br />8800.0 <br />71500.0 <br />22400.0 <br />10200.0 <br />26300.0 <br /> <br />-1.0 <br />-1.0 <br />-1.0 <br />-1.0 <br />8720.0 <br /> <br />0.0 <br />82 <br />. 0.0 <br />.0.0 <br />i 102 <br /> <br />-1.0 <br />7.&+4 <br />-1.0 <br />-t.O <br />_I. <br /> <br />STATU <br />Data from WDM file test.wdm <br />5 data sets In the buffer <br />Output to file bulll7b.out <br /> <br />INSTRUCl <br /> <br />Enter data In hi8hlighte~ field(s). <br />Use carriage return or ~rrow keys to enter data and move between fields. <br />Use 'Accept' command to go to next Bcr~en when done entering data. <br /> <br />Help:~ Accept:1i Limits:1I Status:1I Quiet:~ Cmhlp Oops Window Uppg <br />! <br /> <br />Modify (screen with selection of Low option not sljown) <br />Modify I Low i <br /> <br />Select Low to specify a discharge below whicp historic peaks will not be used in the calcula- <br />tions. If a value greater than 0.0 is entered, this will override the Bulletin 17-B computed low- <br />outlier criteria. The first two columns in the table are informational 'and cannot be changed. <br />The lowest peak flow column contains the lowest annual peak flow in the systematic record. <br /> <br />In the example, no changes were made. <br /> <br />Low (ML) <br /> <br />PEAKFQ 2. <br /> <br />Station <br />1.0. <br /> <br />Low <br />Lowest outlier <br />peak flow criteria <br /> <br />01373500 <br />06600500 <br />01614000 <br />11274500 <br />03339500 <br /> <br />980.0 <br />318.0 <br />536.0 <br />0,0 <br />903.0 <br /> <br />-- <br />0.0 <br />0.0 <br />0,0 <br />0,0 <br /> <br />STATU <br />Data from WOM file test.wdm <br />5 data sets In the buffer <br />Output to file bull17b.out <br /> <br />INSTRUCT <br />Enter data in highllght~d field(s}. <br />Use carriage return or arrow keys to ent~r data and move between fields. <br />Use 'Accept' command to BO to next sc~een when done enterinB data. <br /> <br />Help:~ Accept:1i Limits:1I Status:1I Quiet:~ Cmhlp Oops Window <br /> <br />PEAKFQ <br /> <br />51 <br /> <br />DRAFT .1/30/98 <br />
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