Test of applicability of multitemporal differential interferometry analysis to landslide investigations

in peri-urban areas *

 Wasowski J. [1], Bovenga F.[2], Nutricato R. [2], Refice A. [3], and Casarano D. [1]

[1] CNR-IRPI-Bari, c/o Politecnico di Bari, Italy; wasowski@area.ba.cnr.it

[2] Dipartimento Interateneo di Fisica, Bari, Italy

[3] CNR-ISSIA, Bari, Italy

* Work supported in part by the European Community project LEWIS and by the Italian Space Agency (ASI) grant I/R/073/01; ERS images provided by ESA under ENVISAT project AO-313

Air Photo

Caramanico Test Area (Italy) – ERS SLC Amplitude

Caramanico Town

Caramanico: Mean Amplitude & Stable points ( vel < 0.5 mm/y - Density = 10.6 / km2 )

Azimuth

LO

S

1995 1996 1997 1998 1999 2000 2001

-80

-60

-40

-20

0

20

Time [Y]

Dis

plac

emen

t[m

m]

Vel = 16 ± 0,49 [mm/y]

(532,239)

1995 1996 1997 1998 1999 2000 2001-20

0

20

40

60

80

Time [Y]

Dis

plac

emen

t[m

m] Vel = -15 ± 0,49 [mm/y]

(406,459)

1995 1996 1997 1998 1999 2000 2001-40-30-20-10

010203040

Vel = -1 ± 0.2 [mm/y]

Time [Y]

Dis

plac

emen

t[m

m]

(134,1741)

1995 1996 1997 1998 1999 2000 2001-100

-80

-60

-40

-20

0

20

Time [Y]

Dis

plac

emen

t[m

m] Vel = 16 ± 0,41 [mm/y]

(186,1610)

1995 1996 1997 1998 1999 2000 2001-40

-30

-20

-10

0

10

20

3040

Time [Y]

Dis

plac

emen

t[m

m]

Vel = 0 ± 0.16 [mm/y]

(395,76)