浙江滨海湿地互花米草生物量遥感估算模型研究

杨晓芜,满卫东,刘明月,张永彬,郑浩,宋敬茹,康志强

Estimation Model of Spartina alterniflora Aboveground Biomass by Remote Sensing in Zhejiang Coastal Wetland

Xiaowu YANG,Weidong MAN,Mingyue LIU,Yongbin ZHANG,Hao ZHENG,Jingru SONG,Zhiqiang KANG

表6 互花米草AGB多变量不同估测模型精度对比

Table 6 Comparison of accuracy of multivariable different estimation models for AGB of S.alterniflora

模型 建模 验证 P R2 RMSE/(g/m2) MAE/(g/m2) R2 RMSE/(g/m2) MAE/(g/m2) 多元线性回归 0.620 142.563 104.019 0.573 273.307 226.863 0.000 多尺度地理加权回归 0.622 128.981 103.958 0.662 156.450 121.727 0.000 偏最小二乘回归 0.649 112.190 110.292 0.767 130.576 100.801 0.000