Table 1 Descriptive statistics of impact factors and composite index of geological hazards for each cluster from the SOM.

From: Integrating spatial clustering and multi-source geospatial data for comprehensive geological hazard modeling in Hunan Province

Variables

Clusters

1

2

3

4

5

Ave

Stdev

Ave

Stdev

Ave

Stdev

Ave

Stdev

Ave

Stdev

Ele (m)

604.832

171.931

479.754

87.452

230.146

104.802

111.332

73.685

63.006

35.326

Slo (°)

7.300

1.192

5.369

0.887

2.838

1.255

1.468

0.859

0.794

0.602

Pla_cur

2.104

0.741

2.127

0.443

1.563

0.781

1.227

0.923

1.413

0.845

Pro_cur

2.061

0.773

2.155

0.532

1.554

0.912

1.273

0.887

1.456

0.763

NDVI

0.836

0.073

0.821

0.092

0.778

0.071

0.720

0.139

0.640

0.143

Pre (mm)

1436.501

92.312

1400.159

71.100

1514.281

54.666

1434.559

71.349

1425.245

94.826

DFZ (m)

61.647

0.036

42.075

0.013

43.832

0.014

100.444

0.068

254.170

0.239

PD

463.408

1529.142

335.980

467.801

542.250

501.452

491.255

603.130

3215.357

3355.606

GDP

113.175

245.708

127.981

160.577

273.004

253.565

472.978

428.763

1389.507

1728.663

GI

3.812

4.654

1.977

1.991

2.261

2.142

1.190

1.178

0.439

0.507

  1. Ave and stdev indicate mean and standard deviation values of these factors, respectively. The unit of factors PD and GDP are “people/km2” and “billion yuan”, respectively.
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