maritime
4 articlesWhat Is a Transit Anomaly? Telling an Unusual Change in Ship Traffic at a Strait from Routine Variation
A transit anomaly is a count of ships through a strait or canal that has left that place's own usual level. How transits are counted from AIS, what moves the count besides a disruption, and how to read it without guessing a cause.
2026-10-07 · 11 min read
Port Congestion and Supply-Chain Risk: What Satellites See That Shipping Data Misses
AIS tracks the ships that broadcast. Satellites see the anchorage that fills up, the berths that sit idle, and the queue that forms before any delay reaches a schedule — a practical guide to reading port disruption from space for supply-chain and risk teams.
2026-07-01 · 6 min read
Continuous Maritime Monitoring with SAR Ship Detection Time Series
SAR-based ship detection from Sentinel-1 provides vessel counts for any ocean area, updated every 6–12 days. Learn how continuous maritime monitoring reveals port activity, fishing effort, traffic patterns, and anomalies without AIS data dependency.
2026-03-29 · 11 min read
Maritime Vessel Detection from Satellite SAR and Optical Imagery
How satellites detect and track ships at sea using SAR and optical sensors, enabling maritime domain awareness, illegal fishing detection, and sanctions enforcement. Covers detection methods, AIS correlation, and dark vessel identification.
2025-12-11 · 7 min read