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5 丰宁县草地地上生物量SCRM拟合结果及精度检验

Table 5 Comparison between results of SCRM for predicting grasslands 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=0.021(RVI)2+0.005(RVI)+0.748 0.000 0.758 0.333 28.91 y=18.750(MSAVI)2-11.767(MSAVI)+2.783 0.000 0.723 0.356 30.61 y=30.409(SAVI)2-21.155(SAVI)+4.601 0.000 0.723 0.356 30.56 y=0.272(RVI)+0.083 0.000 0.719 0.350 31.33