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Table 3 Evaluation results of the three unchanging sites

From: Discovering forest height changes based on spaceborne lidar data of ICESat-1 in 2005 and ICESat-2 in 2019: a case study in the Beijing-Tianjin-Hebei region of China

Evaluation site Track line Mean height Bias RMSE
2019 2005
Site 1 Line1 14.8 21.1 −6.3 13.5
Line2 17.2 24.8 −7.6 14.5
Line3 19.1 21.7 −2.6 12.0
Line4 25.7 22.7 3.0 10.2
Line5 26.5 24.3 2.2 8.6
Line6 28.4 25.1 3.3 7.9
Average 21.5 23 −1.5 11.6
Site 2 Line7 15.9 21.3 −5.4 13.0
Line8 21.7 24.2 −2.5 11.5
Line9 15.9 23.9 −8.0 12.1
Line10 26.9 22.8 4.1 9.2
Line11 29.3 23.1 6.2 10.4
Line12 25.6 24.6 1.0 7.4
Line13 27.3 22.8 4.5 10.7
Line14 24.7 22.1 2.6 7.2
Line15 23.1 24.1 −1.0 6.4
Average 22.7 23.3 −0.6 10.2
Site 3 Line16 26.6 28.2 −1.6 6.1
Line17 25.2 22.9 2.3 15.2
Line18 19.9 22.8 2.9 11.8
Line19 25.2 23.9 1.3 12.4
Line20 22.6 23.8 −1.2 10.6
Line21 24.3 27.1 −2.8 13.7
Line22 26 25.7 0.3 10.6
Line23 24.7 21.3 3.4 8.7
Line24 26.2 23.2 3.0 12.6
Average 24.9 23.8 1.1 12.0