Contents preface (VII) introduction 1—37

Fig. 5.18 Variation of k₂ with H/L for broad-crested weirs with sloping faces (8)



200 IRRIGATION AND WATER RESOURCES ENGINEERING

0.75														1.00
0.7					1
														1.00
0.6					2									1.00
						3
0.5														1.00
								4
0.4														1.00
1								5							1
H															H
/															/
2														0.95	2
H															H
0.3
						H	S	1	Notation					0.90
0.10.2				Note:Shiftinhorizontalscale		2	D	CurveNo.S	113212	3.53	4.52	500	0.800.85
			H	L	S	W
									D
									S
									U
							U
					1		1
0	1.1	1.0	0.9	1.0	0.8	0.6	0.4		0.2			0		0.75
			4					4
			k					k

4 2 1 Fig. 5.19 Variation of k with H /H and weir geometry (8)

CANAL IRRIGATION 201

1.0
									1
0.8									2
									3
										4
0.6									5
^k4			Sharp - crested
0.4						weir
					Legend for curve numbers
0.2						as in Fig. 5.19
0
0.75	0.80	0.85	0.90	0.95	1.00

H₂/H₁