模型

RMSE (mm/d)

MAE (mm/d)

R2

NSE

GPI

SVM-1

0.109

0.088

0.993

0.995

1.794

SVM-2

0.260

0.178

0.987

0.985

1.534

SVM-3

0.472

0.310

0.957

0.953

1.128

SVM-4

0.340

0.218

0.976

0.974

1.392

SVM-5

0.509

0.305

0.947

0.942

1.075

SVM-6

0.563

0.345

0.931

0.928

0.951

GPR-1

0.095

0.065

0.996

0.998

1.837

GPR-2

0.284

0.205

0.985

0.984

1.480

GPR-3

0.482

0.337

0.955

0.952

1.088

GPR-4

0.379

0.283

0.971

0.967

1.276

GPR-5

0.499

0.303

0.948

0.940

1.086

GPR-6

0.555

0.337

0.936

0.931

0.975

BT-1

0.305

0.207

0.983

0.981

1.452

BT-2

0.398

0.291

0.965

0.962

1.238

BT-3

0.511

0.337

0.940

0.935

1.027

BT-4

0.482

0.328

0.953

0.949

1.092

BT-5

0.537

0.322

0.938

0.932

1.011

BT-6

0.593

0.373

0.920

0.912

0.866

BPNN-1

0.102

0.071

0.995

0.996

1.821

BPNN-2

0.292

0.211

0.982

0.980

1.459

BPNN-3

0.455

0.288

0.959

0.943

1.159

BPNN-4

0.335

0.208

0.978

0.969

1.404

BPNN-5

0.503

0.307

0.944

0.938

1.072

BPNN-6

0.552

0.336

0.935

0.930

0.977