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Table 1 Technical features of the described remote sensing systems

From: Spaceborne, UAV and ground-based remote sensing techniques for landslide mapping, monitoring and early warning

System type Optical VHR SAR GB-INSAR TLS UAV-DP IRT
Satellite/Device Model Quickbird Envisat/Ers/Radarsat1/CSK Ellegi-LiSALab Riegl LMS-Z420i Canon Ixus 240hs FLIR SC620
Wavelenght VIS/N-IR
0.4–0.9 μm
C-band (5.6 cm)
X-band (3.1 cm)
Ku band (≈1.7 cm) N-IR (0.74–1.4 μm) VIS
(0.39/0.74 μm)
LW-IR
(7.5–13 μ)
Revisiting time/Measurement rate 1–3.5 days 35/24(days)
12 hours (at 40°latitude)
≈1/4 min 12000 pt/s 24frame/s 30frame/s
Image spatial/resolution 2.4 m 20×5/10×5/
1×1 (m)
0.3×0.75 cm (at 100 m distance) 0.008° 4608 × 3456 pix 640×480 pix
Maximum distance/Range 450–482 km 772-774/782-785/793/620 (km) 3–4 km 800 m 150 m −40/500 °C
N-E-ellipsoidic height/Accuracy 23 m (horizontal) 2-6-1.5 m(C-Band)
1-4-1.5 m (X band)
< 1 mm ± 10 mm 1–5 cm ± 2 °C