Test of applicability of multitemporal differential interferometry analysis to landslide...

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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; [email protected] [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

Transcript of Test of applicability of multitemporal differential interferometry analysis to landslide...

Page 1: Test of applicability of multitemporal differential interferometry analysis to landslide investigations in peri-urban areas * Wasowski J. [1], Bovenga.

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; [email protected]

[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

Page 2: Test of applicability of multitemporal differential interferometry analysis to landslide investigations in peri-urban areas * Wasowski J. [1], Bovenga.

Air Photo

Caramanico Test Area (Italy) – ERS SLC Amplitude

Caramanico Town

Page 3: Test of applicability of multitemporal differential interferometry analysis to landslide investigations in peri-urban areas * Wasowski J. [1], Bovenga.

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)