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Table 5 Relationships between spectral indices and each soil property considered (transformed in logarithms) for the set of field plots located in the burned areas affected by crown fire in Spain, in 2018 and 2019. RMSE = root mean square error. See Table 3 for spectral index names

From: Exploring the use of spectral indices to assess alterations in soil properties in pine stands affected by crown fire in Spain

Spectral index

Soil saturated hydraulic conductivity (mm h-1)

Mean weight diameter of soil aggregates (mm)

Soil organic carbon content (%)

RMSE

R2

RMSE

R2

RMSE

R2

BAIS2

0.263

0.548

0.030

0.531

0.100

0.406

dBAIS2

0.260

0.557

0.026

0.649

0.102

0.374

MIRBI

0.258

0.564

0.028

0.582

0.094

0.467

dMIRBI

0.280

0.486

0.029

0.563

0.087

0.548

NBR

0.264

0.544

0.028

0.588

0.090

0.511

dNBR

0.277

0.499

0.031

0.499

0.110

0.272

NDVI

0.286

0.464

0.034

0.404

0.114

0.224

dNDVI

0.379

0.058

0.043

0.039

0.129

0.005

RBR

0.251

0.588

0.028

0.595

0.098

0.422

RdNBR

0.373

0.062

0.044

0.112

0.155

0.328