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Table 6 The runoff of water effects flash flood in Palu area

From: Liquefaction in Palu: the cause of massive mudflows

Vertical of permeability, k (cm/s)

Different in height, h (cm)

Distance, l (cm)

Velocity, v (cm/s)

K

Catchment area, A (cm2)

The runoff of water, Q (cm3/s)

Location

3.5 × 10–3

1600

2.0 × 105

2.8 × 10–5

1.0

0.40 × 106

11.20

Balaroa

3.5 × 10–3

1600

7.0 × 105

8.0 × 10–6

1.0

1.43 × 106

11.44

Petobo

3.5 × 10–3

1600

6.7 × 105

8.4 × 10–6

1.0

1.35 × 106

11.28

Jono Oge