Forest Ecosystems

Table 4 Evaluation results under different threshold values

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

Threshold	Pixels/Maximums	2019	2005	Bias	RMSE
1	897	23.0	23.7	−0.7	11.3
2	832	23.1	23.6	−0.5	11.2
3	769	23.0	23.4	−0.4	11.2
4	699	22.8	23.4	−0.6	11.3
5	642	22.6	23.3	−0.7	11.5
6	577	22.6	23.4	−0.8	11.4
7	509	22.5	23.6	−1.1	11.4
8	435	22.2	23.7	−1.5	11.6
9	339	22.0	24.3	−2.3	11.8
10	173	24.2	24.5	−0.3	11.2

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