基于多源遥感及气象数据的河流非光学活性水质参数反演模型研究
|
|
兑紫璇,王卿,王敏,张璟,顾倩荣
|
Research on the Retrieval Model of Non-optically Active Water Quality Parameters of Rivers based on Multi-source Remote Sensing and Meteorological Data
|
|
Zixuan DUI,Qing WANG,Min WANG,Jing ZHANG,Qianrong GU
|
|
表5 SVR、RF和MLP模型在14种输入特征组合下的DO、COD和NH3-N反演结果
|
Table 5 DO, COD and NH3-N retrieval results of SVR, RF and MLP models for 14 combinations of input features
|
|
| 序号 | 输入数据 | 指标 | DO | COD | NH3-N |
|---|
| SVR | RF | MLP | SVR | RF | MLP | SVR | RF | MLP |
|---|
| 1 | MSI | R2 | 0.837 | 0.845 | 0.832 | 0.649 | 0.699 | 0.656 | 0.242 | 0.447 | 0.485 | | MAE/(mgL-1) | 0.308 | 0.393 | 0.426 | 0.477 | 0.506 | 0.474 | 0.183 | 0.144 | 0.139 | | RMSE/(mgL-1) | 0.402 | 0.384 | 0.414 | 0.594 | 0.513 | 0.612 | 0.100 | 0.071 | 0.066 | | 2 | MSI+VI | R2 | 0.837 | 0.852 | 0.357 | 0.650 | 0.685 | 0.744 | 0.191 | 0.523 | 0.353 | | MAE/(mgL-1) | 0.302 | 0.375 | 0.729 | 0.485 | 0.502 | 0.415 | 0.188 | 0.139 | 0.151 | | RMSE/(mgL-1) | 0.407 | 0.366 | 1.711 | 0.596 | 0.537 | 0.444 | 0.106 | 0.063 | 0.080 | | 3 | MSI+LST | R2 | 0.866 | 0.860 | 0.764 | 0.611 | 0.654 | 0.605 | 0.232 | 0.292 | 0.386 | | MAE/(mgL-1) | 0.306 | 0.384 | 0.465 | 0.506 | 0.546 | 0.543 | 0.182 | 0.173 | 0.154 | | RMSE/(mgL-1) | 0.336 | 0.347 | 0.594 | 0.654 | 0.592 | 0.703 | 0.100 | 0.092 | 0.078 | | 4 | MSI+VI+LST | R2 | 0.890 | 0.879 | 0.841 | 0.671 | 0.673 | 0.717 | 0.251 | 0.232 | 0.325 | | MAE/(mgL-1) | 0.282 | 0.359 | 0.377 | 0.472 | 0.527 | 0.430 | 0.184 | 0.168 | 0.154 | | RMSE/(mgL-1) | 0.274 | 0.300 | 0.397 | 0.560 | 0.558 | 0.491 | 0.098 | 0.096 | 0.084 | | 5 | MSI+AOD | R2 | 0.872 | 0.863 | 0.856 | 0.676 | 0.671 | 0.722 | 0.307 | 0.507 | 0.432 | | MAE/(mgL-1) | 0.300 | 0.363 | 0.368 | 0.470 | 0.514 | 0.435 | 0.165 | 0.139 | 0.143 | | RMSE/(mgL-1) | 0.320 | 0.341 | 0.360 | 0.553 | 0.564 | 0.476 | 0.091 | 0.064 | 0.072 | | 6 | MSI+WS | R2 | 0.802 | 0.851 | 0.835 | 0.648 | 0.699 | 0.738 | 0.289 | 0.488 | 0.536 | | MAE/(mgL-1) | 0.344 | 0.385 | 0.377 | 0.464 | 0.495 | 0.431 | 0.172 | 0.143 | 0.129 | | RMSE/(mgL-1) | 0.497 | 0.364 | 0.417 | 0.599 | 0.514 | 0.449 | 0.091 | 0.066 | 0.061 | | 7 | MSI+AOD+WS | R2 | 0.868 | 0.829 | 0.733 | 0.704 | 0.669 | 0.781 | 0.334 | 0.529 | 0.502 | | MAE/(mgL-1) | 0.293 | 0.402 | 0.454 | 0.439 | 0.515 | 0.398 | 0.171 | 0.137 | 0.137 | | RMSE/(mgL-1) | 0.330 | 0.431 | 0.647 | 0.507 | 0.565 | 0.383 | 0.087 | 0.061 | 0.065 | | 8 | MSI+VI+LST+AOD+WS | R2 | 0.889 | 0.868 | 0.853 | 0.670 | 0.660 | 0.742 | 0.221 | 0.278 | 0.383 | | MAE/(mgL-1) | 0.289 | 0.378 | 0.337 | 0.487 | 0.528 | 0.414 | 0.184 | 0.168 | 0.153 | | RMSE/(mgL-1) | 0.278 | 0.332 | 0.367 | 0.564 | 0.578 | 0.445 | 0.099 | 0.092 | 0.079 | | 9 | MSI+LST+WS | R2 | 0.853 | 0.839 | 0.695 | 0.674 | 0.642 | 0.721 | 0.249 | 0.320 | 0.436 | | MAE/(mgL-1) | 0.320 | 0.411 | 0.506 | 0.479 | 0.542 | 0.446 | 0.178 | 0.161 | 0.149 | | RMSE/(mgL-1) | 0.371 | 0.404 | 0.780 | 0.557 | 0.618 | 0.482 | 0.099 | 0.087 | 0.073 | | 10 | MSI+LST+AOD | R2 | 0.896 | 0.866 | 0.837 | 0.644 | 0.656 | 0.748 | 0.314 | 0.314 | 0.458 | | MAE/(mgL-1) | 0.276 | 0.369 | 0.368 | 0.506 | 0.543 | 0.438 | 0.175 | 0.165 | 0.143 | | RMSE/(mgL-1) | 0.263 | 0.333 | 0.409 | 0.611 | 0.589 | 0.428 | 0.088 | 0.089 | 0.070 | | 11 | MSI+LST+AOD+WS | R2 | 0.891 | 0.872 | 0.857 | 0.707 | 0.646 | 0.736 | 0.273 | 0.226 | 0.381 | | MAE/(mgL-1) | 0.283 | 0.370 | 0.333 | 0.441 | 0.542 | 0.424 | 0.180 | 0.170 | 0.152 | | RMSE/(mgL-1) | 0.275 | 0.320 | 0.350 | 0.506 | 0.613 | 0.470 | 0.094 | 0.098 | 0.078 | | 12 | MSI+VI+WS | R2 | 0.835 | 0.831 | 0.817 | 0.677 | 0.690 | 0.764 | 0.217 | 0.482 | 0.293 | | MAE/(mgL-1) | 0.305 | 0.382 | 0.358 | 0.464 | 0.502 | 0.404 | 0.185 | 0.145 | 0.162 | | RMSE/(mgL-1) | 0.412 | 0.416 | 0.466 | 0.553 | 0.531 | 0.412 | 0.103 | 0.066 | 0.092 | | 13 | MSI+VI+AOD | R2 | 0.869 | 0.856 | 0.867 | 0.692 | 0.667 | 0.714 | 0.313 | 0.459 | 0.382 | | MAE/(mgL-1) | 0.291 | 0.371 | 0.337 | 0.439 | 0.511 | 0.419 | 0.175 | 0.146 | 0.146 | | RMSE/(mgL-1) | 0.324 | 0.360 | 0.337 | 0.529 | 0.571 | 0.498 | 0.088 | 0.069 | 0.077 | | 14 | MSI+VI+AOD+WS | R2 | 0.879 | 0.836 | 0.844 | 0.690 | 0.676 | 0.724 | 0.307 | 0.509 | 0.412 | | MAE/(mgL-1) | 0.291 | 0.396 | 0.344 | 0.452 | 0.502 | 0.409 | 0.177 | 0.139 | 0.145 | | RMSE/(mgL-1) | 0.303 | 0.410 | 0.391 | 0.526 | 0.561 | 0.483 | 0.089 | 0.064 | 0.077 |
|
|
|