Vulnerability class

Factors name

Elevation (m)

Slope (%)

Shoreline distance (m)

River distance (m)

Vegetation

Kitakami

Unga canal

Index

Density

High (5)

−4 - −3

0 - 1

0 - 489.94

-

-

−0.998 - 0.151

Low

Slightly high (4)

3 - 4

1 - 3

489.94 - 1198.53

-

-

0.151 - 0.164

Slightly low

Medium (3)

4 - 5

3 - 6

1198.53 - 1700.48

0 - 160

1 - 150

0.164 - 0.188

Medium

Slightly low (2)

5 - 6

6 - 8

1700.48 - 2184.28

160 - 400

150 - 400

0.188 - 0.218

Slightly high

Low (1)

>6

>8

2184.28 - 2491.91

>680

>400

0.218 - 0.556

High