Table 2 Different scales of I–D rainfall thresholds.

From: Establishing radar-derived rainfall thresholds for a landslide early warning system: a case study in the Sichuan Basin, Southwest China

Extent

Area

Equation

Range (h)

Disaster database

Rainfall source

Reference

#

G

World

I = 2.28D−0.2

0.1 < D < 48

2626

Rain gauges

Guzzetti71

1

I = 0.48D−0.11

48 ≤ D < 1000

2

I = 2.20D−0.44

0.1 < D < 1000

3

I = 14.82D−0.39

0.167 < D < 240

73

Rain gauges

Caine19

4

N

China

I = 85.72D−1.15

0.5 < D < 45

60

Rain gauges

Li20

5

N

Japan

I = 2.18D−0.26

3 < D < 537

1174

Rain gauges

Saito52

6

N

Italy

I = 12.17D−0.64

0.2 < D < 1400

753

Rain gauges

Brunetti9

7

L

Study area

I = 28.07D−0.77

3 < D < 473.5

181

Radar

This study

L

Zhejiang

I = 52.86D−0.45

1 < D < 24

1569

Rain gauges

Ma61

8

L

South Taiwan

I = 66.44D−0.77

3 < D < 90

38

Rain gauges

Chang72

9

L

Qin-Ba Mountain

I = 30.6655D−0.3473

\

1850

Satellite

Wang70

10

I = 28.9726D−0.3484

11

I = 25.5927D−0.3389

12

I = 36.5047D−0.3911

13

  1. Extent, global threshold; N, national threshold; L, local threshold; Area, the area where the index is defined; Disaster size, the number of disasters used to define the threshold.
Back to article page