Table 3 Ground subsidence velocity difference between the buffer zone and DK30 ~ DK50.

From: Ground subsidence monitoring and analysis of Lairong railway during its entire construction cycle based on SBAS-InSAR

Monitoring period

Velocity difference (mm/a)

2020/07/29-2020/11/02

14.53

2020/11/02-2021/12/15

4.82

2021/12/15-2022/12/10

1.36

2022/12/10-2023/05/27

9.76

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