Tabel Hitungan Hidrograf Satuant (jam)

0 5.0 0.0 0.0 0.01 11.0 6.0 6.0 0.0 2.02 27.0 22.0 12.0 10.0 0.0 4.03 47.0 42.0 18.0 20.0 4.0 6.04 56.5 51.5 13.5 30.0 8.0 4.55 48.5 43.5 9.0 22.5 12.0 3.06 33.5 28.5 4.5 15.0 9.0 1.57 18.5 13.5 0.0 7.5 6.0 0.08 8.0 3.0 0.0 3.0 0.09 5.0 0.0 0.0 0.0

Jumlah 260.0 210.063.0 105.0 42.0

21.0210.0

Base Flow = 5 mm.3 mm.5 mm.2 mm.

QH QHLL U3(t) U5(t-1) U2(t-2) UH=U1(t)

P1 efektif =P2 efektif =P3 efektif =

Tabel Hitungan Hidrograf Satuant (jam)

0 5.0 0.0 0.0 0.0 5.01 11.0 6.0 6.0 0.0 2.0 5.02 27.0 22.0 12.0 10.0 0.0 4.0 5.03 47.0 42.0 18.0 20.0 4.0 6.0 5.04 56.5 51.5 13.5 30.0 8.0 4.5 5.05 48.5 43.5 9.0 22.5 12.0 3.0 5.06 33.5 28.5 4.5 15.0 9.0 1.5 5.07 18.5 13.5 0.0 7.5 6.0 0.0 5.08 8.0 3.0 0.0 3.0 5.09 5.0 0.0 0.0 5.0

Jumlah 260.0 210.063.0 105.0 42.0

21.0210.0

Base Flow 5 mm.13 - 10 = 3 mm.15 - 10 = 5 mm.12 - 10 = 2 mm.

Index 10 mm.

56,5 - 5 = 51,5dan seterusnya.

Perhatikan perbandingan 3:5:2 dan yang diberi warna sama secara diagonal!6:10:4 = 3:5:2

QH QHLL U3(t) U5(t-1) U2(t-2) UH=U1(t)

P1 efektipP2 efektipP3 efektip

QH - QBase Flow = QHLL

12:20:8 = 3:5:2dan seterusnya.

dan seterusnya.

dan seterusnya.

U3 (t) = QHLL - ( U5(t-1) + U2(t-2) )U3(5) = 43,5 - (22,5 + 12,0) = 9,0

UH = U1(t) = U3(t)/P1 efektipU1(6) = 4,5/3 = 1,5

0 1 2 3 4 5 6 7 8 9 100.0

10.0

20.0

30.0

40.0

50.0

60.0

QHLLU3(t)U5(t-1)U2(t-2)UH=U1(t)QHBase Flow

0 1 2 3 4 5 6 7 8 9 100.0

10.0

20.0

30.0

40.0

50.0

60.0

HIDROGRAF QHLL

QHLL QH Base Flowt (jam)

Q (

m3

/de

tik

)

0 1 2 3 4 5 6 7 8 9 100.0

2.0

4.0

6.0

8.0

10.0

12.0

14.0

16.0

18.0

20.0

HIDROGRAF U3(t)

U3(t)t (jam)

Q (

m3

/de

tik

)

0 1 2 3 4 5 6 7 8 9 100.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

HIDROGRAF U5(t-1)

U5(t-1)t (jam)

Q (

m3

/de

tik

)

0 1 2 3 4 5 6 7 8 9 100.0

2.0

4.0

6.0

8.0

10.0

12.0

14.0

HIDROGRAF U2(t-2)

U2(t-2)t (jam)

Q (

m3

/de

tik

)

0 1 2 3 4 5 6 7 8 9 100.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

HIDROGRAF SATUAN (UH) = U1(t)

UH=U1(t)t (jam)

Q (

m3/

det

ik)

Tabel Hitungan Hidrograf Banjir

t (jam)

0 0.0 0.0 - - - - 0.0 10.0 10.0

1 1.5 45.0 0.0 - - - 45.0 10.0 55.02 3.0 90.0 90.0 0.0 - - 180.0 10.0 190.03 4.5 135.0 180.0 60.0 0.0 - 375.0 10.0 385.04 6.0 180.0 270.0 120.0 30.0 0.0 600.0 10.0 610.05 5.0 150.0 360.0 180.0 60.0 15.0 765.0 10.0 775.06 4.0 120.0 300.0 240.0 90.0 30.0 780.0 10.0 790.07 3.0 90.0 240.0 200.0 120.0 45.0 695.0 10.0 705.08 2.0 60.0 180.0 160.0 100.0 60.0 560.0 10.0 570.09 1.0 30.0 120.0 120.0 80.0 50.0 400.0 10.0 410.010 0.0 0.0 60.0 80.0 60.0 40.0 240.0 10.0 250.0

11 0.0 40.0 40.0 30.0 110.0 10.0 120.0

12 0.0 20.0 20.0 40.0 10.0 50.0

13 0.0 10.0 10.0 10.0 20.0

14 0.0 0.0 10.0 10.0

Jumlah 30.0900.0 1,800.0 1,200.0 600.0 300.0

4,800.0 150.0 4,950.04,800.0

1782000017280000 540000 17820000

U1(t) U30(t) U60(t-1) U40 (t-2) U20(t-3) U10(t-4) QHLL 10.000 QBF Q10.000

0 2 4 6 8 10 120.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

HIDROGRAF SATUAN (UH) = U1(t)

UH=U1(t)t (jam)

Q (

m3/

det

ik)

0 2 4 6 8 10 120.0

20.0

40.0

60.0

80.0

100.0

120.0

140.0

160.0

180.0

200.0

HIDROGRAF SATUAN (UH) = U30(t)

UH=U30(t)t (jam)

Q (

m3/

det

ik)

0 2 4 6 8 10 120.0

50.0

100.0

150.0

200.0

250.0

300.0

350.0

400.0

HIDROGRAF SATUAN (UH) = U60(t-1)

UH=U60(t-1)t (jam)

Q (

m3/

det

ik)

0 2 4 6 8 10 120.0

50.0

100.0

150.0

200.0

250.0

300.0

HIDROGRAF SATUAN (UH) = U40(t-2)

UH=U40(t-2)t (jam)

Q (

m3/

det

ik)

0 2 4 6 8 10 120.0

20.0

40.0

60.0

80.0

100.0

120.0

140.0

HIDROGRAF SATUAN (UH) = U20(t-3)

UH=U20(t-3)t (jam)

Q (

m3/

det

ik)

0 2 4 6 8 10 120.0

10.0

20.0

30.0

40.0

50.0

60.0

70.0

HIDROGRAF SATUAN (UH) = U10(t-4)

UH=U10(t-4)t (jam)

Q (

m3/

det

ik)

0 2 4 6 8 10 12 140.0

100.0

200.0

300.0

400.0

500.0

600.0

700.0

800.0

QHLL

QH

Base Flow

UH=U1(t)

U30(t)

U60(t-1)

U40(t-2)

U20(t-3)

U10(t-4)

t (jam)

Q (

m3/

det

ik)