基于航空多参数遥感的滨海湿地植物固碳能力研究

赵国凤, 方彦奇, 陈浩峰, 严维兵, 黄岩, 陈伟

Exploring carbon sequestration capacities of coastal wetland plants based on multi-parameter airborne remote sensing

ZHAO Guofeng, FANG Yanqi, CHEN Haofeng, YAN Weibing, HUANG Yan, CHEN Wei

表2 互花米草生物量的建模结果精度评价

Tab.2 Accuracy evaluation of biomass model results for Spartina alterniflora

模型 R2 RMSE 数据 方法 编号 训练 验证 训练 验证 基于高光谱相关波段 MLR-Enter S-M1 0.518 7 0.406 1 1.101 5 0.916 1 PLSR S-M2 0.526 9 0.354 3 0.658 4 0.649 7 SVR S-M3 0.619 9 0.520 9 0.524 6 0.505 2 基于多种植被指数 MLR-Enter S-M4 0.631 6 0.389 8 1.152 7 1.048 4 PLSR S-M5 0.636 9 0.461 6 0.576 8 0.653 9 SVR S-M6 0.643 8 0.512 0 0.490 5 0.529 5 基于高光谱全谱段二 阶导数 PLSR S-M7 0.673 0 0.504 1 0.547 4 0.587 8 SVR S-M8 0.929 3 0.825 4 0.223 6 0.306 9