Variables

Principal components

1

2

3

Dust storm frequency

0.069

0.925

−0.244

Precipitation

−0.471

−0.723

−0.069

Temperature

0.282

−0.291

0.779

Wind speed

0.167

0.900

−0.183

Population

0.953

0.246

0.036

NDVI

−0.025

−0.825

−0.112

Agricultural land area

0.877

0.170

−0.084

Orchard area

0.925

0.077

0.235

Forest area

0.952

0.127

0.197

Grassland area

−0.957

−0.039

0.006

Wetland area

−0.629

0.259

0.508

Residential & Industrial land area

0.921

0.194

−0.030

Unused land area

−0.938

−0.155

−0.120

Percentages of variance (%)

55.5

22.1

7.7

Communality percentages of variance (%)

55.5

77.6

85.3