基于GF-1 WFV影像的丰宁县植被地上碳储量估算

孔凡婕, 李晓兵, 白云晓, 李响, 王宏

The estimation of aboveground vegetation carbon storage based on GF-1 WFV satellite images in Fengning County

KONG Fanjie,LI Xiaobing,BAI Yunxiao,LI Xiang,WANG Hong

表3 丰宁县森林地上生物量SCRM拟合结果及精度检验

Table 3 Comparison between results of SCRM for predicting forest aboveground biomass in Fengning County

回归模型 显著性 模型决定系数R2 均方根误差RMSE/（t/hm2） 平均相对误差MRE/% y=2 123.870(GNDVI)2-2 244.564(GNDVI)+620.666 0.002 0.475 33.164 45.25 y=428.107(GNDVI)-200.314 0.002 0.375 35.258 42.99 y=16.829e0.150(RVI) 0.002 0.382 0.543 38.81 y=9.398(RVI)-2.274 0.003 0.362 35.628 38.73