FlowDuration Curves - PDF document

1 Flow-Duration Curves Manual GEOLOGICAL
Flow-Duration Curves Manual GEOLOGICAL Flow-Duration By JAMES Manual GEOLOGICAL Methods UNITED UNITED INTERIOR Secre

2 tary GEOLOGICAL Director First CONTENT
tary GEOLOGICAL Director First CONTENTS Page Abstract_______________________________________________________ flow-duration

3 station_____-_______-_______________-_
station_____-_______-_______________-______ Mean.__-_-_____---_---_____-_-________--_____________-______ Median on IV

4 ILLUSTRATIONS FIGURE year A, In B, In
ILLUSTRATIONS FIGURE year A, In B, In altitude.__________________ 28 River stations, MANUAL FLOW-DURATION By ABSTRAC

5 T The INTRODUCTION Flow-duration chapt
T The INTRODUCTION Flow-duration chapter time given daily MANUAL 10,000 \ Y Mirrmum 0.050.10.2 99.8 99.9 PERCENT FI

6 OURK discharge. are time FLOW-DURATI
OURK discharge. are time FLOW-DURATION PREPARATION The * percent-of-time the with PERIOD All provides 4 stream

7 s, years World period TIME The or t
s, years World period TIME The or the FLOW-DURATION p. the daily daily PERCENT INDICATED FIGURE 353-858 6 seco

8 nd. CLASS The is 300 800 DISCHARGE,
nd. CLASS The is 300 800 DISCHARGE, FIGURE FLOW-DURATION scale, are TABLE Class Range to COMPILING A "percent

9 USE Form 8 OF representing highest n
USE Form 8 OF representing highest number UNITED DwaUoi for DISCHARGE Cb 100 koo £50 IT* MEMBER #H- / 31 NOT. W 1

10 II 1 30 Dec. in ........ ml HI i J.H. Â
II 1 30 Dec. in ........ ml HI i J.H. «* ml Teb. Mf- /....... at zs Ma. mt HI a K Apr. 1 // mf HI 30 tin MP- s# T"- 31 Jan

11 e #** �w« 1 30 July #t- I flf
e #** �w« 1 30 July #t- I flf alf m it Ant. H»-l* t* 3/ BqX. +r H 1 1 # II 1 w Ywr 40 41 .TO /7 7 4- 4 ...£..__.

12 .. .. Sheet ..6.... ..//.... ..i/t.4!
.. .. Sheet ..6.... ..//.... ..i/t.4!:/?*......... Date &£ :£Vciieoked . Date (&J-JL 4. Duration FLOW-DURATION the U

13 SE The the "percent the listing PR
SE The the "percent the listing PRESENTATION The has as TABULAR Tabular discharge. 10 The UNITED GEOLOGICAL

14 Dontfon . for mfles DISCHARGE 100 350 i
Dontfon . for mfles DISCHARGE 100 350 it-oo 1*50 ._3jL299. It-,000 lt-,500 6,000 7,000 8^000 17,000 NUMBER ON £& ffo Z7 L

15 Q 4- 3 365 I9it-0 17 7 14- U 7 3 4 Z t 3
Q 4- 3 365 I9it-0 17 7 14- U 7 3 4 Z t 366 1*1 10 61 53 a 7 6 5- 3 3 3&5 l*a 17 57 ^./ 7 4 Z 4 Z 1 1 365 19^3 S 85 41 30 n 16

16 IZ 10 4 2^ 1** 3 13 g 3 19^5 40 38 31 z
IZ 10 4 2^ 1** 3 13 g 3 19^5 40 38 31 zo If 14- f 4- .? 3 19^6 Z4 n 14 13 £ £ 19^7 Z3 f/K 13 ZQ 2 7 4 4- 36S 19W 52 4 £ 3

17 66 Total 9f 4-54 zio 181 14& 70 40 Zl 6
66 Total 9f 4-54 zio 181 14& 70 40 Zl 6 3 3 Z f 3653 Total 16S3 1946 3?6 3.13 Perci IQO to. 35 27. Z4~- IjJL 10. 8. ....../

18 «. �nt 4 .£ .. J.C 3 o~i 76 3Q
«. �nt 4 .£ .. J.C 3 o~i 76 3QI in te~6 Oil. Sheet ../..... of...//... ..J^A-.-tis......... Date ..^pK^......... Dm

19 te �l.?.T?./-s6 FIOUBK Hattiesbur
te �l.?.T?./-s6 FIOUBK Hattiesburg, FLOW-DURATION of data TYPE Flow-duration easier undesirably DISCHARGE For

20 convenient gallons 12 feet ordinat
convenient gallons 12 feet ordinate express QA shows QB shows LONG-TERM Very by FLOW-DURATION A. ^s q o\ -\ \

21 B fe \t \ p urol fr ion X * ratk Oi
B fe \t \ p urol fr ion X * ratk Oi s L � 4 n 1 v? �0s - o ^ ^ ~ ' 0.2 2 5 98 99 PERCENT FIGURB three

22 353-858 14 assumed the SELECTION I
353-858 14 assumed the SELECTION In and the of good ESTABLISHING A corresponding period points at FLOW-DURATIO

23 N A TABLE Discharge Discharge, Perce
N A TABLE Discharge Discharge, Percent 99.5.--.- QO 98 W.. 2_ 1..... Kankakee 542 CEQ 566 4 5,200 Iroquo

24 is 46 188 334 Kankakee 432 Iroquo'" 2
is 46 188 334 Kankakee 432 Iroquo'" 23 4. 16 MANUAL OF The ADJUSTING The S o * 0 o 20 / / / E 7 iqi j 10 / / y e 1

25 9 "d-^/ } / r O D 3S P /f 7 ^ ^ / ' /
9 "d-^/ } / r O D 3S P /f 7 ^ ^ / ' / !/ j^20 r~ 50 100 200 500 DISCHARGE; FIGUBB FLOW-DURATION tion adjusted peri

26 od ESTIMATION Frequently interest, m
od ESTIMATION Frequently interest, more a 18 OF 50,000 at 0. t- y p N X ^ X. \ N N V \ \ 1 ^ �\** \ N \ [

27 $ \ N\ ^ A , \ ,\ ^ A EXPLANATION -o o
$ \ N\ ^ A , \ ,\ ^ A EXPLANATION -o o *- Ettimofed a; V \ + V. C\ y ; V \ �=-. X V 19 \ 1 | S 8 I-H �5

28 PERCENT FIGURE FLOW-DURATION 19 TABLE
PERCENT FIGURE FLOW-DURATION 19 TABLE Days Date 1946 July 1947 Sept. 562 The near near group the units, 20 ureme

29 nts. iytimes the 10,000 5000 1000 500
nts. iytimes the 10,000 5000 1000 500 10 Eqiwl I.SQr / L 100 200 10,000 500 FIGURE River, FLOW-DURATION In an HYDROLO

30 GIC The surface occurred 22 MANUAL A
GIC The surface occurred 22 MANUAL As the slope by MEDIAN The MODE The with FLOW-DURATION 23 definite and, USES

31 As mile FLOW FIGURE 24 MANUAL It
As mile FLOW FIGURE 24 MANUAL It supply, STUDYING The basins the (1949), to FLOW-DURATION 25 Descriptions Ci

32 tronelle marl. 90' 32° FIGURE 26 Fig
tronelle marl. 90' 32° FIGURE 26 Figure in curve stations, WATERPOWER STUDIES The FLOW-DURATION 27 flow-duration a

33 rea turbine \ V \ ^ i \\ s\ \ ^ \ \
rea turbine \ V \ ^ i \\ s\ \ ^ \ \ T\ \\ \ ,\ \ X \^ \\ \ \ X L N N s "v ^^ N ^ ^ N x ^ i 2 4 EXPLANATION - S Ookoh

34 oy ^ v^ ^ V^ X v \ \ ^ ^^ ^^*, ~~~ -
oy ^ v^ ^ V^ X v \ \ ^ ^^ ^^*, ~~~ -- ~~ 3 8 g g 8 g g 8 PERCENT FIGURE 28 The available (800 OVAAJ U (V LU :D u

35 z ^ LU e» £IAJU * Turbine & Limit
z ^ LU e» £IAJU * Turbine & Limit -v f -\~ l---.\ \ ~\-- \ \ V s ^ ^ ' ^ ^ :.-l � ------ 0 40 100 FLOW-DURAT

36 ION 29 kilowatt-hours area 59,338X2,76
ION 29 kilowatt-hours area 59,338X2,760=163.8 To (4X11.55) BOD The These can 30 MANUAL For of characteristic segm

37 ents VARIABILITY An is whereas (qan
ents VARIABILITY An is whereas (qand (qas qis qis LANE'S Lane FLOW-DURATION 31 1. of Lane values by the 32 MAN

38 UAL RELIABILITY A emphasis. of of
UAL RELIABILITY A emphasis. of of (d) transfer­ pivot occurrence takes such FLOW-DURATION 33 Anderson, McGraw-