PSI - Issue 44

Caprino Amedeo et al. / Procedia Structural Integrity 44 (2023) 1578–1585 A. Caprino et al./ Structural Integrity Procedia 00 (2022) 000 – 000

1581

4

Table 2. Environmental monitoring system

Sensor

Location

Monitoring period

Acquisition interval

Parameter

Measurement

Temperature

°C

21/10/2013 – still active 21/10/2013 – still active

TRH1

Interior

1 hour

Humidity

%

Temperature

°C

TRH2

Exterior

1 hour

Humidity

%

Last, the same satellite displacement data are correlated with environmental measurements supplied by “Padova 234” local meteorological statio n (available at https://www.arpa.veneto.it/arpavinforma), held by ARPA Veneto and described in Table 3.

Table 3. Meteorological station

Name

Location

Monitoring period

Acquisition interval

Parameter

Measurement

Mean temperature Mean humidity

°C

Lat. 45,40496348 Lon. 11,90848323

01/01/2012 31/12/2021

Daily

Padova 234

%

3. Results The PSInSAR analysis allows to detect a high number of MP inside the AOI. The interferometric process identifies 514415 points in the ascending orbit and 678521 points in the descending one.

a)

b)

c)

d)

Fig. 2. Displacement velocity interpolated maps: mean LOS displacement velocity of the ascending (a) and descending (b) dataset; real displacement velocity in the vertical (c) and horizontal (d) direction