InSAR
7 articlesSynthetic Aperture Radar (SAR): The Complete Guide
A complete, structured guide to Synthetic Aperture Radar (SAR) for Earth observation — how SAR works, why it sees through clouds, polarization, backscatter, InSAR, and the full range of applications from flood mapping to ship detection. Your hub for every SAR topic.
2026-06-19 · 5 min read
SAR Coherence for Change Detection: Finding What Changed Without Optical Data
How SAR coherence maps reveal surface changes even through clouds and at night. Understand temporal coherence, its relationship to surface stability, and practical applications in disaster assessment and construction monitoring.
2026-02-04 · 8 min read
InSAR: How Satellites Measure Millimeter Ground Movement from 700 km Up
Interferometric SAR (InSAR) explained — how phase differences between two SAR acquisitions reveal ground deformation, subsidence, and tectonic movement with millimeter precision. Covers differential InSAR, coherence, and real-world applications.
2026-01-28 · 10 min read
Satellite Monitoring of Mining Operations: Compliance, Environment, and Safety
How satellite imagery monitors mining activities — pit expansion, tailings dam integrity, environmental compliance, and unauthorized operations. Covers optical change detection, SAR displacement monitoring, and regulatory applications.
2025-12-02 · 8 min read
Ground Subsidence Monitoring with InSAR: Detecting Sinking Cities from Space
How satellite InSAR measures ground subsidence caused by groundwater extraction, mining, and natural processes at millimeter precision. Covers PS-InSAR methodology, global hotspots, and infrastructure risk assessment.
2025-09-27 · 8 min read
Volcanic Eruption Monitoring from Space: Detecting Unrest Before Disaster
How satellites monitor volcanoes using thermal anomaly detection, SO₂ plume tracking, InSAR deformation mapping, and ash cloud monitoring. Covers operational systems and the challenge of monitoring 1,500+ active volcanoes.
2025-09-04 · 8 min read
Landslide Detection and Monitoring with Satellite Data
How optical and SAR satellites detect landslides after they occur and monitor slow-moving slopes before catastrophic failure. Covers InSAR displacement monitoring, optical scar mapping, and susceptibility assessment.
2025-09-01 · 7 min read