Landslide Monitoring Network Establishment within Unified Datum and Stability Analysis in the Three Gorges Reservoir Area
Table 6
Unstable reference points and cumulative displacement in each period.
Number
Name of the point
First period (2008-2009)
Second period (2009-2010)
Third period (2010-2011)
Subnet
Displacement/cm
Direction/°
Stability
Displacement/cm
Direction/°
Stability
Displacement/cm
Direction/°
Stability
DP02
17.1
177.7
28.6
179.7
41.3
181.6
A
RF01
7.4
253.3
10.4
251.4
14.8
252.6
TJP1
6.9
1.5
10.1
354.6
14.7
352.9
PTW1
—
—
—
—
7.1
323.2
B
PTW2
4.1
273.6
4.3
266.4
5.9
278.4
HLS2
10.4
83.5
14.8
85.0
21.6
86.5
GHJ2
3.3
167.2
6.3
162.7
8.9
164.2
SYB1
—
—
—
—
5.7
28.1
C
WCB2
27.5
293.3
46.8
290.6
79.4
292.0
JSB1
—
—
—
—
15.7
277.3
D
JZS2
—
—
5.4
45.7
4.2
47.7
SPY1
—
—
5.7
339.8
4.8
337.2
Note. indicates that the point of cumulative deformation analysis is stable; indicates that the point of cumulative deformation analysis is unstable; indicates that the point of cumulative deformation analysis is unstable; however, it is stable by relative deformation analysis.
