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<br />MANUALS--CORPS OF ENGINEERS
<br />U. S. ARMY
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<br />EM 11111-:1-1405
<br />31 A.g 5'
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<br />ENGINEERING AND DESIGN
<br />FLOOD-HYDROGRAPH ANALYSES AND COMPUTATIONS
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<br />TABLE OF CONTENTS
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<br />INTRODUCTION
<br />PtJrfJlrap/l Patlt
<br />I. PURPOSE AND SCOPE.''_' _ __ _._ ____. _ __,. __ _ __._, ___, _____, _ ._.,,' _" _"" _" _ _ 1
<br />2, REFERENCES"", '_" __._____________,,',', ,___, __,' ,_,_._" __, ,_, _,._" ,_, ,__, 1
<br />:1. RESCISSION" u" _ __, _, _ _ __. _ _ _ _ _ _ _. _ __, _ _ _, _ _ _" _ _' u.. _ _ __ _ _,'.." __" _ __ __ _, I
<br />4. TYPES OF ANALYSE.<; COVERED___ ,,__, ,__, u__' ,_,_, __ ,___._.. m____ ___, u_, 1
<br />5. BASIC CONSIDERATIONS__,_._____,_.,._.,_,__ ,___,___ ,___,',', '___' ._" ,__" _, 1
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<br />RAINFALL DETERMINATIONS RELATED TO NATURAL
<br />HYDROGRAPH ANALYSIS
<br />6. MASS RAINFALL CURVES_______ _____ ____ 'u_uu, ,__, ,___ __,' ,_,_________,____ 2
<br />7. HYETOGRAPHSu_, ,_ _ __, ,_ ______, __,_" ,_ ,_", ____ ,___ _"" _, __ _,', __, '___,__', 3
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<br />COMPONENTS OF NATURAL HYDROGRAPHS
<br />8, GENERAL,___,_ ,_, 'u__ __ ,'.___ __" ____ ___, ____,_,' ,___, __ __ __', ________________ 3
<br />_ 9. NORMAL RECESSION CURVES___,u___,_,_" _u,__,_,_,_,___,___________m__ 4
<br />. 10. GROUNDWATER DEPLETION CURVE.<;, ___m'__"',_,,___._,,___',___,_,,____, 4
<br />11. SUBDIVISION OF HYDROGRAPHS_____________,_"_"",_"____________,___.,,,, 4
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<br />INFILTRATIOl\ INDICES
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<br />12. GENERAL__.".._, _ __,'._. _, __ _, _, _ __ _ _ __' _, _ _._ _ _ __" __ _ __, _ _ ___ __ u ___ _. _", _, 5
<br />13. INITIAL 1.0..<;8.___ _.__ _ ___ _ ___" __ ____ __ _ _, ___, __ _ ___ __ __. _._. _._., __ _u_ _, _ _u_ _ 6
<br />14. INFILTRATION INDEX, _ _,._ _,. _, u __' ,_ _ _ __, __ ________ _ ___ __ __ _ ___, u, _ __ _. ___ 6
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<br />UNIT HYDROGRAPHS
<br />15. GENERAL___, ___ _, __ _ ___" _ __, _ _. _ u,"._ ____ _ _ ,__ ___ ___ _ __ __ ___ _ ____.__,._ _,._ _ 7
<br />16. UNIT HYDROGRAPHS FRO~f ISOLATED UNIT STORMS___,_____.__,,___,_,____ 9
<br />17. UNIT HYDROGRAPHS FRO~l ~fAJOR FLOOD RECORDS_,.__,,_,,________u_u__ 9
<br />18. SYNTHETIC UNIT HYDROGRAPHSu,___,_.,___,,_________,__.____,,_,,______,_ 10
<br />19. SNYDER'S SYNTHETIC UNIT HYDROGRAPH RELATIONS___,________._____,__, 10
<br />20. CONCENTRATION OF RUN-OFF NEAR PEAK__,____,____,_____"__,,..,___u__. 11
<br />21. S-CURVE HYDROGRAPHS,_ __ __ _ ___ _,.__ _ __, u_ __, __ __., __ ____" ____ ___ _ _ _ _ ___ _ _ 12
<br />22. SUM~lARY OF SYNTHETIC UNIT HYDROGRAPH COMPUTATION______________ 12
<br />23. UNIT HYDROGRAPH ADJUSTMENTS____,__________u_________,______._________ 13
<br />24. COMPARISON OF UNIT HYDROGRAPHS DERIVED FROM MAJOR AND MINOR
<br />FLOOD HYDROGRAPHS,_____ ___. _..__ __ _._, u__ _ ___ ___ _ __.____._ ___ __ _ .___ _,. 14
<br />25. SELECTION OF UNIT HYDROGRAPHS FOR DESIGN-FLOOD COMPUTATIONS_ 15
<br />26. UNIT HYDROGRAPHS FOR COMPUTATION OF INFLOW INTO MAJOR RESER-
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<br />VOIRS,_,___________________,_________,___..---",.--,-________,_______________ 16
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