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4 丰宁县灌丛地上生物量SCRM拟合结果及精度检验

Table 4 Comparison between results of SCRM for predicting shrub 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=3.019e0.105(RVI) 0.000 0.620 0.232 33.17 y=88.914(NDVI)2-104.132(NDVI)+34.807 0.000 0.615 1.619 33.57 y=0.014(RVI)2+0.524(RVI)+2.290 0.001 0.608 1.705 32.72 y=0.728(RVI)+1.647 0.000 0.606 1.658 32.53