Case Study

Monitoring Landslide Subsistence with ENVI® SARscape

Monitoring Landslide Subsistence with ENVI® SARscape

Monitoring Landslide Subsistence with ENVI® SARscape On September 4, 2018, Hokkaido, an island off the coast of Japan, was drenched by a rainstorm that was part of Typhoon Jebi. Two days later, Hokkaido experienced a 6.6 magnitude earthquake. With saturated ground, and slopes already prone to landslides, the earthquake caused large-scale mass wasting. For rescue and recovery efforts, quickly understanding where landslides occur is vital. Remotely sensed imagery of the affected area can provide critical information, however, during rainstorms or hurricanes, this can become very challenging because of the cloud cover that blocks traditional satellite imagery collects. This is where Synthetic Aperture Radar (SAR) is an unsung hero. SAR can penetrate clouds and be collected day or night—SAR se

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