Hydrology and Floodplain AnalysisThis text provides a clear and up-to-date presentation of fundamental concepts and design methods required to understand hydrology and floodplain analysis. This revision continues to address the computational emphasis of modern hydrology at an undergraduate level and to provide a more balanced approach to important applications in watershed analysis, floodplain computation, flood control, urban hydrology, stormwater design, and computer modeling. |
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Page 169
... example , if streamflows are measured to the nearest cfs and there is a range of flows from 0 to 5000 cfs , then 5000 discrete intervals would have to be considered . Approximating the record as continuous is much easier . Although ...
... example , if streamflows are measured to the nearest cfs and there is a range of flows from 0 to 5000 cfs , then 5000 discrete intervals would have to be considered . Approximating the record as continuous is much easier . Although ...
Page 215
... example , for a sample size of 40 , 90 % confidence limits may be placed on the predicted CDF by Prob ( F - 0.21 ... example of this procedure is given by Haan ( 1977 ) . - EXAMPLE 3.15 GRAPHICAL FIT OF LOGNORMAL DISTRIBUTION The Cypress ...
... example , for a sample size of 40 , 90 % confidence limits may be placed on the predicted CDF by Prob ( F - 0.21 ... example of this procedure is given by Haan ( 1977 ) . - EXAMPLE 3.15 GRAPHICAL FIT OF LOGNORMAL DISTRIBUTION The Cypress ...
Page 608
... Example 6.6 , and typical coefficients for the runoff coefficient Cin the rational formula ( Q = CIA ) are listed in Table 6.6 . The rainfall intensity i is usually found from an IDF curve with duration equal to the time of ...
... Example 6.6 , and typical coefficients for the runoff coefficient Cin the rational formula ( Q = CIA ) are listed in Table 6.6 . The rainfall intensity i is usually found from an IDF curve with duration equal to the time of ...
Contents
HYDROLOGIC PRINCIPLES | 1 |
RAINFALLRUNOFF ANALYSIS | 87 |
6 | 141 |
Copyright | |
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Assume average basin bridge calculated catchment Chapter coefficient confined aquifer continuity equation critical depth cross section Cypress Creek Darcy's law depth design storm detention pond determine developed direct runoff discharge distribution downstream drainage drawdown duration Engineers estimate evaporation evapotranspiration Example FIGURE flood control floodplain frequency analysis function gage graph ground water hydraulic conductivity hydrologic hyetograph IDF curves impervious infiltration infiltration capacity inflow kinematic wave loss m³/s Manning's equation measured moisture overland flow parameters peak flow pipe plot precipitation probability problems pumping rainfall excess rainfall intensity reservoir return period sewer shown in Fig simulation skewness slope soil solution solved spreadsheet storage storm event storm hydrograph stream streamflow subarea subbasin surface runoff SWMM temperature tion U.S. Army U.S. Geological Survey unit hydrograph upstream values variable velocity volume water table watershed weir