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Unexploded Ordnance Detection (UXO Investigation)

Unexploded and exploded ordnance (UXO) detection is a critical component of land rehabilitation and environmental security efforts worldwide. In particular, geophysical methods such as airborne UAV-integrated magnetics and UAV-integrated ground penetrating radar (GPR) have been highly effective in detecting buried UXO with high sensitivity and efficiency.

UAV Integrated MAG Survey for UXO Detection

UAV magnetic measurements measure changes in the Earth’s magnetic field using magnetometers mounted on unmanned aerial vehicles (UAVs) or helicopters. Since UXOs often contain ferromagnetic materials, they create detectable anomalies in the local magnetic field.

Advantages:

  • Fast Coverage: Large areas can be scanned quickly, making it ideal for hard-to-reach and remote areas.ir.
  • High Sensitivity: Advanced magnetometers can detect even small metal objects at significant depths.
  • Non-destructive: Does not damage the land, preserves environmental sensitivity.
  • Maliyet: Geleneksel yer bazlı yöntemlere kıyasla insan gücü ve lojistik maliyetleri azaltır.

Challenges:

  • Noise Impact: Natural and artificial magnetic sources such as power lines and geological structures can create data noise.
  • Height Restrictions: The sensor height must be kept at an optimal level.
  • Data Processing: Requires complex algorithms to separate UXO-related anomalies from background noise.

UAV Integrated GPR Survey for UXO Detection

GPR systems send high-frequency electromagnetic waves into the ground and detect objects underground by analyzing the reflected signals. UXOs can be detected by creating unique reflections.

Advantages:

  • High Resolution: Identifies the shape and depth of UXO by visualizing underground structures in detail.
  • Various Applications: Effective in different ground conditions, including sandy, clay and rocky terrains.
  • Non-destructive: Does not damage the land, preserves environmental sensitivity.
  • Compatible with Magnetic Measurements: Can be used to verify magnetic anomalies and provide additional information.

Challenges:

  • Depth Limitations: Soil conductivity and moisture content may affect performance.
  • Data Interpretation: Requires experienced personnel for accurate analysis.
  • Logistical Challenges: Ground-based systems can be slower to deploy than air-based systems.

The combination of next-generation UAV-integrated airborne magnetic measurements and GPR offers a comprehensive approach to UXO detection. Magnetic measurements provide initial detections by scanning large areas, while GPR confirms the presence and depth of UXO with high-resolution data. This integrated approach increases detection reliability and reduces false positives.

SAGTech Geophysics, we provide UAV integrated geophysical device sales and exploration services for UXO exploration in Türkiye.