Table 5 The LAILLW data and the absolute errors between LAI2000 and LAIS data.

From: Validation of leaf area index measurement system based on wireless sensor network

LAI_LAILLW

Error_LAI2000

Error_LAIS

DOY

0.1405

 + 0.1305

 + 0.0047

150

0.2425

 + 0.0945

 + 0.0526

158

0.4864

− 0.0574

 + 0.0755

158

0.3727

 + 0.0603

− 0.0392

164

0.4137

− 0.0167

 + 0.055

164

0.8898

− 0.0518

 + 0.0742

164

0.2175

− 0.0415

 + 0.003

171

0.3496

 + 0.1664

 + 0.2372

171

0.6577

 + 0.3323

 + 0.2622

171

1.0343

 + 0.0257

− 0.5361

171

1.047

− 0.19

 + 0.3205

171

1.5469

− 0.0669

− 0.115

171

1.0983

− 0.3883

− 0.2882

185

3.1764

− 0.6064

− 0.4659

185

2.0416

− 0.4516

 + 0.3373

197

2.0571

− 0.7121

− 0.0588

197

3.2971

− 0.7271

 + 0.2799

197

4.2481

− 0.7481

− 0.1652

197

2.353

 + 0.077

 + 0.3845

210

  1. 1“ + ” indicates that the measured value is overestimated from the true value.
  2. 2“−” indicates that the measured value is underestimated from the true value.