Table 1 Overview of InSAR deformation rates for typical landslides in the Guili-Baige section of the Jinsha River basic parameters of SAR image data
Number | Landslide name | Landslide characteristics | LOS direction deformation rate (mm/yr) | Sliding direction(°) | Deformation features |
---|---|---|---|---|---|
H01 | Suba No. 1 landslide | Length: 581 m Width: 190 m | −26~−23 | 36 | No obvious image distortion features. |
H02 | Suba No. 2 landslide | Length: 607 m Width: 213 m | −27~−24 | 57 | No obvious image distortion features. |
H03 | Suba No. 3 landslide | Length: 1616 m Width: 1058 m | −29~−23 | 53 | The landslide developed two strong deformation zones. |
H04 | Litang No. 1 landslide | Length: 144 m Width: 138 m | −37~−36 | 225 | No obvious image distortion features. |
H05 | Litang No. 2 landslide | Length: 485 m Width: 173 m | −40~−27 | 205 | No obvious image distortion features. |
H06 | Ningba landslide | Length: 695 m Width: 610 m | −45~−35 | 311 | The landslide developed two strong deformation zones. |
H07 | Guili landslide | Length: 1141 m Width: 802 m | −60~−36 | 28 | The landslide developed two strong deformation zones. |
H08 | Guili No. 2 landslide | Length: 1052 m Width: 382 m | −30~−25 | 31 | The front edge of the landslide has a tendency to deform. |
H09 | Gangnalongba landslide | Length: 841 m Width: 636 m | −50~−30 | 222 | No obvious image distortion features. |
H10 | Xiaomojiu landslide | Length: 1299 m Width: 682 m | −60~17 | 49 | The front edge of the landslide has a tendency to deform. |
H11 | Binda No. 1 landslide | Length: 534 m Width: 501 m | −28~−25 | 105 | No obvious image distortion features. |
H12 | Mujue landslide | Length: 488 m Width: 154 m | −35~−30 | 249 | The front edge of the landslide has a tendency to deform. |
H13 | Binda No. 2 landslide | Length: 803 m Width: 249 m | −32~−30 | 77 | No obvious image distortion features. |
H14 | Manggong No. 1 landslide | Length: 1306 m Width: 567 m | −35~−30 | 109 | No obvious image distortion features. |
H15 | Manggong No. 2 landslide | Length: 494 m Width: 319 m | −32~−30 | 68 | No obvious image distortion features. |
H16 | Baige landslide | Length: 1374 m Width: 1349 m | −50~13 | 65 | Both the leading edge and the trailing edge of the landslide are deformed. |
H17 | Renda landslide | Length: 1086 m Width: 274 m | −60~−15 | 236 | The front edge of the landslide has a tendency to deform. |