Time Series Deformation Monitoring over Large Infrastructures around Dongting Lake Using X-Band PSI with a Combined Thermal Expansion and Seasonal Model

Table 3

The proportion of each deformational component on PS1 and PS2.

Feature points	Seasonal component	Thermal expansion component	Precipitation related component	Linear component	Residual component
PS1	79.7%	11.2%	3.2%	1.7%	4.2%
PS2	32.3%	56.1%	5.3%	2.6%	3.7%