Subsidence Monitor

High-resolution radar time-series detect and map land subsidence from groundwater extraction, enabling proactive water management and infrastructure protection.

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How does it work?

Excessive groundwater extraction leads to ground subsidence, damaging infrastructure and reducing aquifer storage capacity. Our radar-based time-series detection provides timely, precise subsidence maps to guide sustainable extraction and mitigation efforts.

Early Warning Alerts: Radar time-series data identify subsidence hotspots before visible damage occurs. This enables proactive interventions to prevent infrastructure failures and water resource loss.
Infrastructure Risk Analysis: High-resolution deformation maps quantify ground movement around critical assets like pipelines and buildings. Engineers can prioritize reinforcement and maintenance based on precise risk assessments.
Sustainable Extraction Planning: Integrating subsidence insights with pumping data supports balanced groundwater use. Decision-makers can set extraction limits to prevent overexploitation and preserve aquifer health.
Large-Area Monitoring: Automated cloud processing covers thousands of square kilometers without field surveys. This scalability reduces manual inspection costs and improves regional oversight.
High Precision Detection: Millimeter-level accuracy captures subtle land movements over time. Advanced filtering removes atmospheric noise for reliable change detection.
Seamless Integration: Subsidence outputs integrate with GIS and asset management platforms via standard formats. Teams gain unified workflows for analysis, reporting, and decision support.

Frequently asked questions

Have a different question and can’t find the answer you’re looking for? Reach out to our support team by sending us an email and we’ll get back to you as soon as we can.

What is radar-based subsidence monitoring?: Radar-based subsidence monitoring uses satellite InSAR to measure vertical ground deformation over time. It achieves millimeter-scale precision across wide areas without on-site instruments.
How does radar monitoring compare to GPS sensors?: InSAR provides spatially continuous deformation maps, covering entire regions in each acquisition. GPS sensors offer real-time point measurements but require installation and yield sparse spatial coverage.
Why is InSAR popular for groundwater subsidence monitoring?: InSAR is favored due to free or low-cost satellite data and high revisit rates. Its ability to detect subtle vertical movements makes it ideal for tracking extraction-induced subsidence.
Can optical imagery detect subsidence like radar?: Optical imagery can highlight surface changes such as cracks or vegetation stress but lacks direct vertical movement measurement. Radar penetrates clouds and measures ground deformation directly, ensuring consistent monitoring.
What limitations affect radar-based subsidence detection?: Atmospheric disturbances and temporal decorrelation can introduce errors in InSAR measurements. Robust processing techniques like atmospheric correction and coherence filtering are required to enhance accuracy.
What alternatives exist for monitoring land subsidence?: Traditional leveling surveys and GNSS stations provide precise point data but are labor-intensive and sparse. In-situ sensors like tiltmeters and extensometers offer local detail but lack broad spatial coverage.

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