Persistent Change Monitoring

Identify and monitor relevant change at scale

Discover change

Changes in infrastructure and land use are frequent and widespread, making it challenging for analysts to locate, map and monitor change over broad areas of interest. Persistent Change Monitoring (PCM) highlights human changes in an area and displays persistent change accessibly as a color-coded geospatial data layer.

Filter out noise

Traditional two-date change detection often presents false positives, attributable to factors like sun angle and harvested farmland. PCM uses extensive sampling to see past cyclical change and shine a light on the most important changes in an area.

Prioritize

Rapidly prioritize resources and other data collections, based on where changes have occurred.

Refresh data

Pinpoint where human change is happening on Earth’s surface.

Monitor activities

Access cost-effective surveillance of hazards and construction over broad areas.

Analyze trends

Examine historical change and deviations from patterns of growth and development.

Enhance foundational tasks with PCM

Locate

Identify, understand and anticipate change across the globe.

Map

Document human change at scale, and compare with more than two decades of archive data. 

Monitor

Monitor and prioritize resources to update critical geospatial infrastructure.

Resources

FOCUS YOUR ATTENTION ON IMPORTANT CHANGE

With more than 20 years of historical data, understand change over time in your area of interest.

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