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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
County
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: ascii input <br /> <br />PEAKFQ <br /> <br />The second set of peaks in the test4.inp file is a Tepeat of the first set of peaks, this time <br />with a different set of options specified on the "I" record. In this case, the ''1'': record <br />contains values for the Generalized skew (-.5), Lentht of historic period (77), and the <br />Skew computation option (G). The standard defaults are provided for all other options. <br />After the computation options have been accepted. the program will do the calcula- <br />tions and report when they are completed. Processing will then continue to the next set <br />of peaks. <br /> <br />(NOTE: Sets of data with the same station number can only be processed if the ALL <br />option is selected for which stations to be analyzed on the Inut I ASCII I Stations <br />screen. ) <br /> <br />Modify (AM) <br />Modify computation options ss needed. {Station 03606500 <br /> <br />PEAKFQ 2. <br /> <br />Begin year [1__] <br />End year [ 1973] <br />length of historic period [ 77.0] <br />Skew comp option [GEN] <br />lo-outlier threshold [ O.OJ <br />Gage base discharge [O.OJ <br />latitude [36.0386] <br />Longitude [88.2283] <br /> <br />Hi-outlier threshold [ O.OJ <br />Lowest historic peak (18500.0) <br />Highest systematic peak (17000.0) <br />Allow urban/reg. peaks [NO ] <br /> <br />(Change to override Bull 17b map skew) <br />Generalized skew [-0.5] <br />5td error of gen. skew [ 0.55] <br /> <br />-STATU <br />Data from Watstore file test4.inp <br /> <br />Output to file test4.out <br /> <br />INSTRUCT <br /> <br />Enter data In highlighted field(s). <br />Use carriage return or arrow keys to enter data and move between fields. <br />Use ~Accept' command to go to next screen when done entering data. <br /> <br />Help:mD Accept:~ Limits:~ 5tatus:~ Intrpt:~ Quiet:~ Cmhlp Oops <br /> <br />r----------------------- - - -- - -- -, <br />H 03606500 3602190881342004747017SW 6040005 205.00 380.58 <br />N 03606500 BrG SANDY RIVER AT BRUCETON, TENN <br />Y 03606500 C:~S <br />I 0) G <br />2 03606500 <br />3 03606500 189703 250007 18.00 <br />3 03606500 191903 210007 17.00 <br />3 03606500 192612 185007 16.50 <br />3 03606500 19300109 9100 13.98 <br />3 03606500 19310327 2060 11. 20 <br />3 03606500 19320113 7820 13 .60 <br />3 03606500 19330321 3220 11.95 <br />3 03606500 19331218 5580 12.94 <br />3 03606500 19350121 17000 16.16 <br />3 03606500 19360704 6740 13.28 <br />3 03606500 19370121 13800 14.86 <br />3 03606500 19380123 4270 12.67 <br />3 03606500 19700403 4330 13 .11 <br />3 03606500 19710824 5080 13.36 <br />3 03606500 19720717 12000 15.14 <br />3 03606500 19730421 7640 14.88 <br /> - -- ----- - -- ------ ----- ~ <br />PEAKFQ 68 DRAFT - 1/30/98 <br />
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