Table 1 The prediction model of dust deposition based on four typical spectral parameters
From: Leaf reflectance and functional traits as environmental indicators of urban dust deposition
Parameter | Definition | Fitting model | R2 | RMSE |
|---|---|---|---|---|
LWI | R970/R900 | y = 2.364x −2.337 | 0.745a | 0.202 |
SDr | 680 ~ 750 nm sum of first derivative of reflectivity | y = −0.556x + 0.149 | 0.495a | 0.224 |
ND705 | (R750-R705)/ (R750 + R705 + 2R445) | y = − 0.490x + 0.168 | 0.658a | 0.213 |
SR | R706/R809 | y = 0.313x − 0.107 | 0.787a | 0.187 |